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Methenamine

Latest prescription information about Methenamine. Learn how to pronounce the drug’s name, its indications, dosage, how to take, when to take, when not to take, side effects, special precautions, its storage instructions and warnings if any when taken during pregnancy. Also listed are the International and Indian trade name(s) of the drug and its price list.
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Generic Name : Methenamine
Pronunciation : meth en’ a meen
Therapeutic Classification : Antispasmodics
ICD Code : Y55.1
Trade Name(s): 
India- Mandalamine.
International- Hiprex, Mandelamine, Urex.
Why it is prescribed (Indications) : This medication is a urinary antiseptic, prescribed for urinary tract infections. It helps in formation of formaldehyde in the urine, which kills bacteria in the urine.
When it is not to be taken (Contraindications): Contraindicated in patients with kidney, liver disease, severe dehydration, who are taking sulfonamides and hypersensitivity.

Pregnancy Category :

A B C D X
Category C : Animal reproduction studies have shown an adverse effect on the fetus and there are no adequate and well-controlled studies in humans, but potential benefits may warrant use of the drug in pregnant women despite potential risks.

Dosage & When it is to be taken : Adult- 1 tablet (1.0 g) twice daily.
Child- 1/2 to 1 tablet (0.5 to 1.0 g) twice daily.
How it should be taken : It comes as a tablet and liquid to take by mouth, with or without food.
Warnings and Precautions : 
* Caution should be exercised in patients with history of kidney or liver disease, any allergy, who are taking other medications, during pregnancy and breastfeeding.
Side Effects : 
Diarrhea, nausea, stomach upset, vomiting, painful urination and rash.
Other Precautions : 
* Avoid excess dosage.
Storage Conditions : 
Store it at room temperature, away from excess heat.

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Member Comments ( 1 )
My son has been prescribed Hiprex 1gm twice a day for 3 months by his urologist. I need to know how / from where I can buy / order it. We live in Kolkata, West Bengal, India.
(Posted by revaz, India Date : 12/5/2012 )

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Reference  

  • Food and Drug Administration (FDA)
  • National Institutes of Health (NIH)
  • PubMed
  • CIMS
  • Indian Pharma Reference Guide 2012
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