3-Iodobenzylguanidine
The therapeutic efficacy of Iobenguane can be decreased when used in combination with Methamphetamine.
Abiraterone
The serum concentration of Methamphetamine can be increased when it is combined with Abiraterone.
Acebutolol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Acebutolol.
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Acepromazine
Acepromazine may decrease the stimulatory activities of Methamphetamine.
Aceprometazine
Aceprometazine may decrease the stimulatory activities of Methamphetamine.
Acetazolamide
Acetazolamide may decrease the excretion rate of Methamphetamine which could result in a higher serum level.
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Acetophenazine
Acetophenazine may decrease the stimulatory activities of Methamphetamine.
Acrivastine
Methamphetamine may decrease the sedative activities of Acrivastine.
Alcaftadine
Methamphetamine may decrease the sedative activities of Alcaftadine.
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Alfentanil
Methamphetamine may increase the analgesic activities of Alfentanil.
Alfuzosin
Alfuzosin may decrease the vasoconstricting activities of Methamphetamine.
Aloglutamol
Aloglutamol may decrease the excretion rate of Methamphetamine which could result in a higher serum level.
Alphaprodine
Methamphetamine may increase the analgesic activities of Alphaprodine.
Alprenolol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Alprenolol.
Aluminum
Aluminium may decrease the excretion rate of Methamphetamine which could result in a higher serum level.
Aluminum Hydroxide
Aluminum hydroxide may decrease the excretion rate of Methamphetamine which could result in a higher serum level.
aluminum hydroxide, dried (USP)
Aluminum hydroxide may decrease the excretion rate of Methamphetamine which could result in a higher serum level.
Aluminum Magnesium Silicate
Almasilate may decrease the excretion rate of Methamphetamine which could result in a higher serum level.
Amineptin
Amineptine may decrease the antihypertensive activities of Methamphetamine.
Amiodarone
The metabolism of Methamphetamine can be decreased when combined with Amiodarone.
Amisulpride
Amisulpride may decrease the stimulatory activities of Methamphetamine.
Amitriptyline
Amitriptyline may decrease the antihypertensive activities of Methamphetamine.
Ammonium Chloride
The serum concentration of Methamphetamine can be decreased when it is combined with Ammonium chloride.
Amoxapine
Amoxapine may decrease the antihypertensive activities of Methamphetamine.
Amphetamine
The risk or severity of adverse effects can be increased when Methamphetamine is combined with Amphetamine.
Antazoline
Methamphetamine may decrease the sedative activities of Antazoline.
Aripiprazole
Aripiprazole may decrease the stimulatory activities of Methamphetamine.
Artemether
The metabolism of Methamphetamine can be decreased when combined with Artemether.
Ascorbate
The serum concentration of Methamphetamine can be decreased when it is combined with Vitamin C.
Ascorbic Acid
The serum concentration of Methamphetamine can be decreased when it is combined with Vitamin C.
Asenapine
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Asenapine.
Astemizole
Methamphetamine may decrease the sedative activities of Astemizole.
Atenolol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Atenolol.
Atomoxetine
Atomoxetine may increase the hypertensive activities of Methamphetamine.
Azatadine
Methamphetamine may decrease the sedative activities of Azatadine.
Azelastine
Methamphetamine may decrease the sedative activities of Azelastine.
Benperidol
Benperidol may decrease the stimulatory activities of Methamphetamine.
Benzphetamine
The risk or severity of adverse effects can be increased when Benzphetamine is combined with Methamphetamine.
Benzquinamide
Methamphetamine may decrease the sedative activities of Benzquinamide.
Benztropine
Methamphetamine may decrease the sedative activities of Benzatropine.
Benzylpenicilloyl polylysine
Methamphetamine may decrease effectiveness of Benzylpenicilloyl Polylysine as a diagnostic agent.
Bepotastine
Methamphetamine may decrease the sedative activities of Bepotastine.
BETAHISTINE
Methamphetamine may decrease the sedative activities of Betahistine.
Betaxolol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Betaxolol.
Bismuth Subcitrate
Bismuth Subcitrate may decrease the excretion rate of Methamphetamine which could result in a higher serum level.
Bismuth Subnitrate
Bismuth subnitrate may decrease the excretion rate of Methamphetamine which could result in a higher serum level.
Bisoprolol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Bisoprolol.
Bopindolol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Bopindolol.
Brexpiprazole
Brexpiprazole may decrease the stimulatory activities of Methamphetamine.
Bromocriptine
Bromocriptine may increase the hypertensive and vasoconstricting activities of Methamphetamine.
Bromodiphenhydramine
Methamphetamine may decrease the sedative activities of Bromodiphenhydramine.
Bromperidol
Bromperidol may decrease the stimulatory activities of Methamphetamine.
Brompheniramine
Methamphetamine may decrease the sedative activities of Brompheniramine.
Buclizine
Methamphetamine may decrease the sedative activities of Buclizine.
Bunazosin
Bunazosin may decrease the vasoconstricting activities of Methamphetamine.
Bupranolol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Bupranolol.
Buprenorphine
Methamphetamine may increase the analgesic activities of Buprenorphine.
Bupropion
The metabolism of Methamphetamine can be decreased when combined with Bupropion.
Butorphanol
Methamphetamine may increase the analgesic activities of Butorphanol.
Butriptyline
Butriptyline may decrease the antihypertensive activities of Methamphetamine.
Butyrate
Methamphetamine may decrease the sedative activities of Butyric Acid.
Butyric Acid
Methamphetamine may decrease the sedative activities of Butyric Acid.
Cabergoline
Cabergoline may increase the hypertensive and vasoconstricting activities of Methamphetamine.
Calcium Carbonate
Calcium Carbonate may decrease the excretion rate of Methamphetamine which could result in a higher serum level.
CALCIUM CARBONATE, PRECIPITATED
Calcium Carbonate may decrease the excretion rate of Methamphetamine which could result in a higher serum level.
Carbinoxamine
Methamphetamine may decrease the sedative activities of Carbinoxamine.
Cariprazine
Cariprazine may decrease the stimulatory activities of Methamphetamine.
Carteolol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Carteolol.
Carvedilol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Carvedilol.
Celecoxib
The metabolism of Methamphetamine can be decreased when combined with Celecoxib.
Celiprolol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Celiprolol.
Cetirizine
Methamphetamine may decrease the sedative activities of Cetirizine.
Chlophedianol
Methamphetamine may decrease the sedative activities of Clofedanol.
Chlorcyclizine
Methamphetamine may decrease the sedative activities of Chlorcyclizine.
Chloropyramine
Methamphetamine may decrease the sedative activities of Chloropyramine.
Chloroquine
The metabolism of Methamphetamine can be decreased when combined with Chloroquine.
Chlorpheniramine
Methamphetamine may decrease the sedative activities of Chlorphenamine.
CHLORPHENIRAMINE POLISTIREX
Methamphetamine may decrease the sedative activities of Chlorphenamine.
Chlorphenoxamine
Methamphetamine may decrease the sedative activities of Chlorphenoxamine.
Chlorpromazine
The metabolism of Methamphetamine can be decreased when combined with Chlorpromazine.
Chlorprothixene
Chlorprothixene may decrease the stimulatory activities of Methamphetamine.
Cholecalciferol
The metabolism of Methamphetamine can be decreased when combined with Cholecalciferol.
Cimetidine
The metabolism of Methamphetamine can be decreased when combined with Cimetidine.
Cinacalcet
The metabolism of Methamphetamine can be decreased when combined with Cinacalcet.
Cinnarizine
Methamphetamine may decrease the sedative activities of Cinnarizine.
Citalopram
The metabolism of Methamphetamine can be decreased when combined with Citalopram.
Clemastine
The metabolism of Methamphetamine can be decreased when combined with Clemastine.
Clenbuterol
The risk or severity of adverse effects can be increased when Clenbuterol is combined with Methamphetamine.
Clobazam
The metabolism of Methamphetamine can be decreased when combined with Clobazam.
Clomipramine
Clomipramine may decrease the antihypertensive activities of Methamphetamine.
Clotrimazole
The metabolism of Methamphetamine can be decreased when combined with Clotrimazole.
Clozapine
The metabolism of Methamphetamine can be decreased when combined with Clozapine.
Cobicistat
The serum concentration of Methamphetamine can be increased when it is combined with Cobicistat.
Cocaine
The metabolism of Methamphetamine can be decreased when combined with Cocaine.
Codeine
Methamphetamine may increase the analgesic activities of Codeine.
Codeine Anhydrous
Methamphetamine may increase the analgesic activities of Codeine.
CODEINE POLISTIREX
Methamphetamine may increase the analgesic activities of Codeine.
Curcumin
The metabolism of Methamphetamine can be decreased when combined with Curcumin.
Cyamemazine
Cyamemazine may decrease the stimulatory activities of Methamphetamine.
Cyclizine
Methamphetamine may decrease the sedative activities of Cyclizine.
Cyproheptadine
Methamphetamine may decrease the sedative activities of Cyproheptadine.
Dapiprazole
Dapiprazole may decrease the stimulatory activities of Methamphetamine.
Darifenacin
The metabolism of Methamphetamine can be decreased when combined with Darifenacin.
Darunavir
The serum concentration of Methamphetamine can be increased when it is combined with Darunavir.
Delavirdine
The metabolism of Methamphetamine can be decreased when combined with Delavirdine.
Desipramine
Desipramine may decrease the antihypertensive activities of Methamphetamine.
Desloratadine
Methamphetamine may decrease the sedative activities of Desloratadine.
Desvenlafaxine
Desvenlafaxine may increase the tachycardic activities of Methamphetamine.
Dexbrompheniramine
Methamphetamine may decrease the sedative activities of Dexbrompheniramine.
Dexchlorpheniramine
Methamphetamine may decrease the sedative activities of Dexchlorpheniramine.
Dexchlorpheniramine maleate
Methamphetamine may decrease the sedative activities of Dexchlorpheniramine maleate.
Dextroamphetamine
Dextroamphetamine may decrease the vasoconstricting activities of Methamphetamine.
Dextromoramide
Methamphetamine may increase the analgesic activities of Dextromoramide.
Dezocine
Methamphetamine may increase the analgesic activities of Dezocine.
Dichlorphenamide
Diclofenamide may decrease the excretion rate of Methamphetamine which could result in a higher serum level.
Dihydrocodeine
Methamphetamine may increase the analgesic activities of Dihydrocodeine.
Dihydroergotamine
Dihydroergotamine may increase the hypertensive and vasoconstricting activities of Methamphetamine.
Dimenhydrinate
Methamphetamine may decrease the sedative activities of Dimenhydrinate.
Dimethindene
Methamphetamine may decrease the sedative activities of Dimetindene.
Diphenhydramine
The metabolism of Methamphetamine can be decreased when combined with Diphenhydramine.
Diphenoxylate
Methamphetamine may increase the analgesic activities of Diphenoxylate.
Diphenylpyraline
Methamphetamine may decrease the sedative activities of Diphenylpyraline.
Dobutamine
The risk or severity of adverse effects can be increased when Dobutamine is combined with Methamphetamine.
Dopamine
The risk or severity of adverse effects can be increased when Dopamine is combined with Methamphetamine.
Dothiepin
Dosulepin may decrease the antihypertensive activities of Methamphetamine.
Doxazosin
Doxazosin may decrease the vasoconstricting activities of Methamphetamine.
Doxepin
Doxepin may decrease the antihypertensive activities of Methamphetamine.
Doxylamine
Methamphetamine may decrease the sedative activities of Doxylamine.
Dronedarone
The metabolism of Methamphetamine can be decreased when combined with Dronedarone.
Droperidol
Droperidol may decrease the stimulatory activities of Methamphetamine.
Duloxetine
Duloxetine may increase the tachycardic activities of Methamphetamine.
Ebastine
Methamphetamine may decrease the sedative activities of Ebastine.
Eliglustat
The metabolism of Methamphetamine can be decreased when combined with Eliglustat.
Emedastine
Methamphetamine may decrease the sedative activities of Emedastine.
Ephedrine
The risk or severity of adverse effects can be increased when Ephedrine is combined with Methamphetamine.
Epinastine
Methamphetamine may decrease the sedative activities of Epinastine.
Epinephrine
The risk or severity of adverse effects can be increased when Epinephrine is combined with Methamphetamine.
ergoloid mesylates, USP
Ergoloid mesylate may increase the hypertensive and vasoconstricting activities of Methamphetamine.
Ergonovine
Ergonovine may increase the hypertensive and vasoconstricting activities of Methamphetamine.
Ergotamine
Ergotamine may increase the hypertensive and vasoconstricting activities of Methamphetamine.
Escitalopram
Escitalopram may decrease the vasoconstricting activities of Methamphetamine.
Esmolol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Esmolol.
Ethosuximide
Methamphetamine can cause a decrease in the absorption of Ethosuximide resulting in a reduced serum concentration and potentially a decrease in efficacy.
Ethylmorphine
Methamphetamine may increase the analgesic activities of Ethylmorphine.
Etilefrine
The risk or severity of adverse effects can be increased when Methamphetamine is combined with Etilefrine.
Famotidine
Methamphetamine may decrease the sedative activities of Famotidine.
Fenoterol
The risk or severity of adverse effects can be increased when Fenoterol is combined with Methamphetamine.
Fentanyl
Methamphetamine may increase the analgesic activities of Fentanyl.
Fesoterodine
The serum concentration of the active metabolites of Fesoterodine can be increased when Fesoterodine is used in combination with Methamphetamine.
Fexofenadine
Methamphetamine may decrease the sedative activities of Fexofenadine.
Flunarizine
Methamphetamine may decrease the sedative activities of Flunarizine.
Fluoxetine
The metabolism of Methamphetamine can be decreased when combined with Fluoxetine.
Flupenthixol
Flupentixol may decrease the stimulatory activities of Methamphetamine.
Fluphenazine
Fluphenazine may decrease the stimulatory activities of Methamphetamine.
Fluspirilene
Fluspirilene may decrease the stimulatory activities of Methamphetamine.
Fluvoxamine
The metabolism of Methamphetamine can be decreased when combined with Fluvoxamine.
Fonazine
Methamphetamine may decrease the sedative activities of Dimetotiazine.
Furazolidone
Furazolidone may increase the hypertensive activities of Methamphetamine.
Glutamate
The serum concentration of Methamphetamine can be decreased when it is combined with Glutamic Acid.
Glutamic Acid
The serum concentration of Methamphetamine can be decreased when it is combined with Glutamic Acid.
Guanethidine
The serum concentration of Methamphetamine can be decreased when it is combined with Guanethidine.
Haloperidol
The metabolism of Methamphetamine can be decreased when combined with Haloperidol.
Heroin
Methamphetamine may increase the analgesic activities of Heroin.
Hyaluronidase
Hyaluronidase may increase the vasoconstricting activities of Methamphetamine.
Hyaluronidase, Ovine
Hyaluronidase may increase the vasoconstricting activities of Methamphetamine.
Hydrocodone
Methamphetamine may increase the analgesic activities of Hydrocodone.
HYDROCODONE POLISTIREX
Methamphetamine may increase the analgesic activities of Hydrocodone.
Hydromorphone
Methamphetamine may increase the analgesic activities of Hydromorphone.
Hydrotalcite
Hydrotalcite may decrease the excretion rate of Methamphetamine which could result in a higher serum level.
Hydroxyzine
Methamphetamine may decrease the sedative activities of Hydroxyzine.
Iloperidone
Iloperidone may decrease the stimulatory activities of Methamphetamine.
Imipramine
Imipramine may decrease the antihypertensive activities of Methamphetamine.
Indinavir
The metabolism of Methamphetamine can be decreased when combined with Indinavir.
INDINAVIR ANHYDROUS
The metabolism of Methamphetamine can be decreased when combined with Indinavir.
Indoramin
Indoramin may decrease the vasoconstricting activities of Methamphetamine.
Ioflupane I-123
Methamphetamine may decrease effectiveness of Ioflupane I-123 as a diagnostic agent.
Iproniazid
Iproniazid may increase the hypertensive activities of Methamphetamine.
Isocarboxazid
Isocarboxazid may increase the hypertensive activities of Methamphetamine.
Isoniazid
The metabolism of Methamphetamine can be decreased when combined with Isoniazid.
Isoproterenol
The risk or severity of adverse effects can be increased when Isoprenaline is combined with Methamphetamine.
Isothipendyl
Methamphetamine may decrease the sedative activities of Isothipendyl.
Isoxsuprine
The risk or severity of adverse effects can be increased when Methamphetamine is combined with Isoxsuprine.
Ketoconazole
The metabolism of Methamphetamine can be decreased when combined with Ketoconazole.
Ketotifen
Methamphetamine may decrease the sedative activities of Ketotifen.
Labetalol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Labetalol.
Levobetaxolol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Levobetaxolol.
Levocabastine
Methamphetamine may decrease the sedative activities of Levocabastine.
Levocetirizine
Methamphetamine may decrease the sedative activities of Levocetirizine.
Levomethadyl
Methamphetamine may increase the analgesic activities of Levomethadyl Acetate.
Levomilnacipran
Levomilnacipran may increase the tachycardic activities of Methamphetamine.
Levorphanol
Methamphetamine may increase the analgesic activities of Levorphanol.
Linezolid
Linezolid may increase the hypertensive activities of Methamphetamine.
Lisdexamfetamine
Lisdexamfetamine may decrease the vasoconstricting activities of Methamphetamine.
Lisdexamfetamine Dimesylate
Lisdexamfetamine may decrease the vasoconstricting activities of Methamphetamine.
Lithium
Lithium may decrease the stimulatory activities of Methamphetamine.
Lithium Cation
Lithium may decrease the stimulatory activities of Methamphetamine.
Lodoxamide
Methamphetamine may decrease the sedative activities of Lodoxamide.
Lopinavir
The metabolism of Methamphetamine can be decreased when combined with Lopinavir.
Loratadine
Methamphetamine may decrease the sedative activities of Loratadine.
Lorcaserin
The metabolism of Methamphetamine can be decreased when combined with Lorcaserin.
Loxapine
Loxapine may decrease the stimulatory activities of Methamphetamine.
Lumefantrine
The metabolism of Methamphetamine can be decreased when combined with Lumefantrine.
Lurasidone
Lurasidone may decrease the stimulatory activities of Methamphetamine.
Magaldrate
Magaldrate may decrease the excretion rate of Methamphetamine which could result in a higher serum level.
Magnesium Carbonate
Magnesium carbonate may decrease the excretion rate of Methamphetamine which could result in a higher serum level.
Magnesium Hydroxide
Magnesium hydroxide may decrease the excretion rate of Methamphetamine which could result in a higher serum level.
Magnesium Oxide
Magnesium oxide may decrease the excretion rate of Methamphetamine which could result in a higher serum level.
Magnesium silicate
Magnesium silicate may decrease the excretion rate of Methamphetamine which could result in a higher serum level.
Magnesium Trisilicate
Magnesium Trisilicate may decrease the excretion rate of Methamphetamine which could result in a higher serum level.
Manidipine
The metabolism of Methamphetamine can be decreased when combined with Manidipine.
Maprotiline
Methamphetamine may decrease the sedative activities of Maprotiline.
Meclizine
Methamphetamine may decrease the sedative activities of Meclizine.
MELITRACEN
Melitracen may decrease the antihypertensive activities of Methamphetamine.
Meperidine
Methamphetamine may increase the analgesic activities of Pethidine.
Mephentermine
The risk or severity of adverse effects can be increased when Mephentermine is combined with Methamphetamine.
Mepindolol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Mepindolol.
Mequitazine
Methamphetamine may decrease the sedative activities of Mequitazine.
Mesoridazine
Mesoridazine may decrease the stimulatory activities of Methamphetamine.
Metaproterenol
The risk or severity of adverse effects can be increased when Orciprenaline is combined with Methamphetamine.
Metaraminol
The risk or severity of adverse effects can be increased when Metaraminol is combined with Methamphetamine.
Methadone
The metabolism of Methamphetamine can be decreased when combined with Methadone.
Methadyl Acetate
Methamphetamine may increase the analgesic activities of Methadyl Acetate.
Methantheline
Methamphetamine may decrease the sedative activities of Methantheline.
Methapyrilene
Methamphetamine may decrease the sedative activities of Methapyrilene.
Methazolamide
Methazolamide may decrease the excretion rate of Methamphetamine which could result in a higher serum level.
Methdilazine
Methamphetamine may decrease the sedative activities of Methdilazine.
Methenamine
The serum concentration of Methamphetamine can be decreased when it is combined with Methenamine.
Methotrimeprazine
The metabolism of Methamphetamine can be decreased when combined with Methotrimeprazine.
Methoxamine
The risk or severity of adverse effects can be increased when Methoxamine is combined with Methamphetamine.
Methylene blue
The risk or severity of adverse effects can be increased when Methamphetamine is combined with Methylene blue.
Methylergonovine
Methylergometrine may increase the hypertensive and vasoconstricting activities of Methamphetamine.
Metoprolol
The serum concentration of Metoprolol can be increased when it is combined with Methamphetamine.
Metylperon
Melperone may decrease the stimulatory activities of Methamphetamine.
Mianserin
The therapeutic efficacy of Methamphetamine can be decreased when used in combination with Mianserin.
Midodrine
The risk or severity of adverse effects can be increased when Midodrine is combined with Methamphetamine.
Midostaurin
The metabolism of Methamphetamine can be decreased when combined with Midostaurin.
Milnacipran
Milnacipran may increase the tachycardic activities of Methamphetamine.
Minaprine
Minaprine may increase the hypertensive activities of Methamphetamine.
Mirabegron
The metabolism of Methamphetamine can be decreased when combined with Mirabegron.
Mirtazapine
Mirtazapine may decrease the antihypertensive activities of Methamphetamine.
Mizolastine
Methamphetamine may decrease the sedative activities of Mizolastine.
Moclobemide
Moclobemide may increase the hypertensive activities of Methamphetamine.
Molindone
Molindone may decrease the stimulatory activities of Methamphetamine.
Morphine
Methamphetamine may increase the analgesic activities of Morphine.
Nabilone
Nabilone may increase the tachycardic activities of Methamphetamine.
Nadolol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Nadolol.
Nalbuphine
Methamphetamine may increase the analgesic activities of Nalbuphine.
Nebivolol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Nebivolol.
Nefazodone
Nefazodone may decrease the vasoconstricting activities of Methamphetamine.
Nevirapine
The metabolism of Methamphetamine can be decreased when combined with Nevirapine.
Nialamide
Nialamide may increase the hypertensive activities of Methamphetamine.
Nicardipine
The metabolism of Methamphetamine can be decreased when combined with Nicardipine.
Nicergoline
Nicergoline may decrease the vasoconstricting activities of Methamphetamine.
Nilotinib
The metabolism of Methamphetamine can be decreased when combined with Nilotinib.
Nizatidine
Methamphetamine may decrease the sedative activities of Nizatidine.
Norepinephrine
The risk or severity of adverse effects can be increased when Norepinephrine is combined with Methamphetamine.
Normethadone
Methamphetamine may increase the analgesic activities of Normethadone.
Nortriptyline
Nortriptyline may decrease the antihypertensive activities of Methamphetamine.
Nylidrin
The risk or severity of adverse effects can be increased when Methamphetamine is combined with Nylidrin.
Olanzapine
Olanzapine may decrease the stimulatory activities of Methamphetamine.
Olopatadine
Methamphetamine may decrease the sedative activities of Olopatadine.
Ondansetron
Ondansetron may decrease the stimulatory activities of Methamphetamine.
Opipramol
Opipramol may decrease the antihypertensive activities of Methamphetamine.
Opium
Methamphetamine may increase the analgesic activities of Opium.
Orphenadrine
Methamphetamine may decrease the sedative activities of Orphenadrine.
Oxatomide
Methamphetamine may decrease the sedative activities of Oxatomide.
Oxprenolol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Oxprenolol.
Oxycodone
Methamphetamine may increase the analgesic activities of Oxycodone.
Oxymetazoline
The risk or severity of adverse effects can be increased when Oxymetazoline is combined with Methamphetamine.
Oxymorphone
Methamphetamine may increase the analgesic activities of Oxymorphone.
p-Hydroxyamphetamine
The risk or severity of adverse effects can be increased when Methamphetamine is combined with Hydroxyamphetamine.
Paliperidone
Paliperidone may decrease the stimulatory activities of Methamphetamine.
Panobinostat
The serum concentration of Methamphetamine can be increased when it is combined with Panobinostat.
Paregoric
Methamphetamine may increase the analgesic activities of Morphine.
Pargyline
Pargyline may increase the hypertensive activities of Methamphetamine.
Paroxetine
The metabolism of Methamphetamine can be decreased when combined with Paroxetine.
Peginterferon Alfa-2b
The serum concentration of Methamphetamine can be decreased when it is combined with Peginterferon alfa-2b.
Pemirolast
Methamphetamine may decrease the sedative activities of Pemirolast.
Penbutolol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Penbutolol.
Pentazocine
Methamphetamine may increase the analgesic activities of Pentazocine.
Perazine
Perazine may decrease the stimulatory activities of Methamphetamine.
Periciazine
Propericiazine may decrease the stimulatory activities of Methamphetamine.
Perphenazine
Perphenazine may decrease the stimulatory activities of Methamphetamine.
Phenelzine
Phenelzine may increase the hypertensive activities of Methamphetamine.
Phenindamine
Methamphetamine may decrease the sedative activities of Phenindamine.
Pheniramine
Methamphetamine may decrease the sedative activities of Pheniramine.
Phenmetrazine
The risk or severity of adverse effects can be increased when Phenmetrazine is combined with Methamphetamine.
Phenobarbital
The serum concentration of Phenobarbital can be decreased when it is combined with Methamphetamine.
Phenoxybenzamine
Phenoxybenzamine may decrease the vasoconstricting activities of Methamphetamine.
Phentermine
The risk or severity of adverse effects can be increased when Phentermine is combined with Methamphetamine.
PHENTERMINE RESIN
The risk or severity of adverse effects can be increased when Phentermine is combined with Methamphetamine.
Phentolamine
Phentolamine may decrease the vasoconstricting activities of Methamphetamine.
Phentolamine Mesylate
Phentolamine may decrease the vasoconstricting activities of Methamphetamine.
Phenylephrine
The risk or severity of adverse effects can be increased when Phenylephrine is combined with Methamphetamine.
Phenylpropanolamine
The risk or severity of adverse effects can be increased when Phenylpropanolamine is combined with Methamphetamine.
Phenytoin
The serum concentration of Phenytoin can be decreased when it is combined with Methamphetamine.
Pimozide
Pimozide may decrease the stimulatory activities of Methamphetamine.
Pindolol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Pindolol.
Pipamperone
Pipamperone may decrease the stimulatory activities of Methamphetamine.
Pipothiazine
Pipotiazine may decrease the stimulatory activities of Methamphetamine.
Pirinitramide
Methamphetamine may increase the analgesic activities of Piritramide.
Pizotyline
Pizotifen may decrease the vasoconstricting activities of Methamphetamine.
Practolol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Practolol.
Prazosin
Prazosin may decrease the vasoconstricting activities of Methamphetamine.
Procaine
The risk or severity of adverse effects can be increased when Methamphetamine is combined with Procaine.
Procarbazine
The risk or severity of adverse effects can be increased when Methamphetamine is combined with Procarbazine.
Procaterol
The risk or severity of adverse effects can be increased when Procaterol is combined with Methamphetamine.
Prochlorperazine
Prochlorperazine may decrease the stimulatory activities of Methamphetamine.
Profenamine
Methamphetamine may decrease the sedative activities of Ethopropazine.
Promazine
The metabolism of Methamphetamine can be decreased when combined with Promazine.
Promethazine
Methamphetamine may decrease the sedative activities of Promethazine.
Propafenone
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Propafenone.
Propiomazine
Propiomazine may decrease the vasoconstricting activities of Methamphetamine.
Propiverine
Propiverine may decrease the vasoconstricting activities of Methamphetamine.
Propoxyphene
Methamphetamine may increase the analgesic activities of Dextropropoxyphene.
Propranolol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Propranolol.
Prothipendyl
Prothipendyl may decrease the stimulatory activities of Methamphetamine.
Protriptyline
Protriptyline may decrease the antihypertensive activities of Methamphetamine.
Pseudoephedrine
The risk or severity of adverse effects can be increased when Methamphetamine is combined with Pseudoephedrine.
Pyrilamine
Methamphetamine may decrease the sedative activities of Mepyramine.
Quetiapine
Quetiapine may decrease the stimulatory activities of Methamphetamine.
Quetiapine fumarate
Quetiapine may decrease the stimulatory activities of Methamphetamine.
Quinidine
The metabolism of Methamphetamine can be decreased when combined with Quinidine.
Quinine
The metabolism of Methamphetamine can be decreased when combined with Quinine.
Racepinephrine
The risk or severity of adverse effects can be increased when Methamphetamine is combined with Racepinephrine.
Ranitidine
Methamphetamine may decrease the sedative activities of Ranitidine.
Ranolazine
The metabolism of Methamphetamine can be decreased when combined with Ranolazine.
Rasagiline
Rasagiline may increase the hypertensive activities of Methamphetamine.
Remifentanil
Methamphetamine may increase the analgesic activities of Remifentanil.
Remoxipride
Remoxipride may decrease the stimulatory activities of Methamphetamine.
Reserpine
Reserpine may decrease the stimulatory activities of Methamphetamine.
Risperidone
Risperidone may decrease the stimulatory activities of Methamphetamine.
Ritodrine
The risk or severity of adverse effects can be increased when Ritodrine is combined with Methamphetamine.
Ritonavir
The metabolism of Methamphetamine can be decreased when combined with Ritonavir.
Rolapitant
The metabolism of Methamphetamine can be decreased when combined with Rolapitant.
Ropinirole
The metabolism of Methamphetamine can be decreased when combined with Ropinirole.
Roxatidine Acetate
Methamphetamine may decrease the sedative activities of Roxatidine acetate.
Rucaparib
The metabolism of Methamphetamine can be decreased when combined with Rucaparib.
Selegiline
The risk or severity of adverse effects can be increased when Methamphetamine is combined with Selegiline.
Sertindole
Sertindole may decrease the stimulatory activities of Methamphetamine.
Sertraline
The metabolism of Methamphetamine can be decreased when combined with Sertraline.
Silodosin
Silodosin may decrease the vasoconstricting activities of Methamphetamine.
Sodium Bicarbonate
Sodium bicarbonate may decrease the excretion rate of Methamphetamine which could result in a higher serum level.
Sotalol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Sotalol.
Spironolactone
Spironolactone may decrease the vasoconstricting activities of Methamphetamine.
Sufentanil
Methamphetamine may increase the analgesic activities of Sufentanil.
Sulpiride
Sulpiride may decrease the stimulatory activities of Methamphetamine.
Synephrine
The risk or severity of adverse effects can be increased when Methamphetamine is combined with Synephrine.
Talinolol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Talinolol.
Tamsulosin
Tamsulosin may decrease the vasoconstricting activities of Methamphetamine.
Tapentadol
Methamphetamine may increase the analgesic activities of Tapentadol.
Tedizolid
Tedizolid Phosphate may increase the hypertensive activities of Methamphetamine.
Tedizolid Phosphate
Tedizolid Phosphate may increase the hypertensive activities of Methamphetamine.
Terazosin
Terazosin may decrease the vasoconstricting activities of Methamphetamine.
Terbinafine
The metabolism of Methamphetamine can be decreased when combined with Terbinafine.
Terbutaline
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Terbutaline.
Terbutaline Sulfate
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Terbutaline.
Terfenadine
Methamphetamine may decrease the sedative activities of Terfenadine.
Tertatolol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Tertatolol.
Tetrahydrocannabinol
Dronabinol may increase the tachycardic activities of Methamphetamine.
Tetrahydrozoline
The risk or severity of adverse effects can be increased when Methamphetamine is combined with Tetryzoline.
Thioproperazine
Thioproperazine may decrease the stimulatory activities of Methamphetamine.
Thioridazine
The serum concentration of Thioridazine can be increased when it is combined with Methamphetamine.
Thiothixene
Thiothixene may decrease the stimulatory activities of Methamphetamine.
Thonzylamine
Methamphetamine may decrease the sedative activities of Thonzylamine.
Tianeptine
Tianeptine may decrease the antihypertensive activities of Methamphetamine.
Tiapride
Tiapride may decrease the stimulatory activities of Methamphetamine.
Ticlopidine
The metabolism of Methamphetamine can be decreased when combined with Ticlopidine.
Timolol
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Timolol.
Timolol Anhydrous
Methamphetamine may increase the atrioventricular blocking (AV block) activities of Timolol.
Tipranavir
The metabolism of Methamphetamine can be decreased when combined with Tipranavir.
Tolazoline
Tolazoline may decrease the vasoconstricting activities of Methamphetamine.
Toloxatone
Toloxatone may increase the hypertensive activities of Methamphetamine.
Tramadol
Methamphetamine may increase the analgesic activities of Tramadol.
Tramazoline
The risk or severity of adverse effects can be increased when Methamphetamine is combined with Tramazoline.
Tranilast
Methamphetamine may decrease the sedative activities of Tranilast.
Tranylcypromine
The risk or severity of adverse effects can be increased when Methamphetamine is combined with Tranylcypromine.
Trazodone
Trazodone may decrease the vasoconstricting activities of Methamphetamine.
Trifluoperazine
Trifluoperazine may decrease the stimulatory activities of Methamphetamine.
Triflupromazine
Triflupromazine may decrease the stimulatory activities of Methamphetamine.
Trimeprazine
Methamphetamine may decrease the sedative activities of Alimemazine.
Trimipramine
Trimipramine may decrease the antihypertensive activities of Methamphetamine.
Tripelennamine
Methamphetamine may decrease the sedative activities of Tripelennamine.
Triprolidine
Methamphetamine may decrease the sedative activities of Triprolidine.
Tritoqualine
Methamphetamine may decrease the sedative activities of Tritoqualine.
Tromethamine
Tromethamine may decrease the excretion rate of Methamphetamine which could result in a higher serum level.
Tyramine
The risk or severity of adverse effects can be increased when Methamphetamine is combined with Tyramine.
Urapidil
Urapidil may decrease the vasoconstricting activities of Methamphetamine.
Venlafaxine
Venlafaxine may increase the tachycardic activities of Methamphetamine.
Verapamil
Verapamil may decrease the vasoconstricting activities of Methamphetamine.
Ziprasidone
The metabolism of Methamphetamine can be decreased when combined with Ziprasidone.
Zotepine
Zotepine may decrease the stimulatory activities of Methamphetamine.
Zuclopenthixol
Zuclopenthixol may decrease the stimulatory activities of Methamphetamine.
