Phenergan is an antihistamine and antiemetic, prescribed for allergic conditions, prevention of motion sickness, and to control nausea and vomiting during and after surgery. It controls nausea and vomiting by changing the actions of chemicals in brain.
Generic : Promethazine
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Drug information on Phenergan (Promethazine) from AHPL
Drug Name : Promethazine
Promethazine(Phenergan) generic Phenergan is an antihistamine and antiemetic, prescribed for allergic conditions, prevention of motion sickness, and to control nausea and vomiting during and after surgery. It controls nausea and vomiting by changing the actions of chemicals in brain.
More Info about Promethazine
Trade Names for Promethazine
Phenergan, Promacot, Promethegan
Note: This brand is not available in US market.
The average oral dose is 25 mg taken before retiring; however, 12.5 mg may be taken before meals and on retiring, if necessary.
The average adult dose is 25 mg taken twice daily. The initial dose should be taken one-half to one hour before anticipated travel and be repeated 8 to 12 hours later, if necessary.
Nausea and Vomiting-
Adults- The recommended dosage is 25 mg.
Central Nervous System :
Drowsiness, blurred vision, dizziness, confusion, disorientation, weakness, ringing in the ear, incoordination, fatigue, emotion, nervousness, double vision, sleeplessness, tremors, convulsive seizures, excitement and hallucinations.
Increased or decreased blood pressure, fast/slow heart rate and faintness.
Skin inflammation, sensitivity to light and hives.
Bruising, decrease in white blood cells and platelets.
Dry mouth, nausea, vomiting and jaundice.
Asthma, nasal stuffiness and respiratory depression.
It comes as a tablet, capsule, liquid to take by mouth, with or without food.
It also comes as rectal suppositories, to insert through the rectum.
Contraindicated in patients with asthma, children less than 2 years, and hypersensitivity.
Avoid subcutaneous administration.
Caution should be exercised in patients with history of nervous system problems, bone marrow depression, heart problems, blood disease, increased eye pressure, low blood pressure, liver disease, ulcers, urinary obstruction, enlarged prostate, Parkinson disease, seizures, Reye syndrome, any allergy, who are taking other medications, during pregnancy and breastfeeding.
It may cause drowsiness, dizziness, or blurred vision, do not drive a car operate machinery while taking this medication.
Avoid alcohol consumption.
Patient may develop with increased risk of tissue injury, seizures and Neuroleptic malignant syndrome (NMS); if it is so consult with your doctor.
It may affect blood sugar level; monitor sugar level regularly.
Store it at controlled room temperature (20º to 25ºC).
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