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Drug information on Phenergan (Promethazine) from AHPL


Generic : Promethazine
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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

Other Trade Names for Promethazine

Written & Compiled by Anushta Chandrapalan, M.Sc  | Medically Reviewed by The Medindia Medical Review Team on February, 2, 2017

Medindia currently has information on 3080 generic drugs and 109,870 brands that have their prices listed. New drugs with their prices are listed as and when they get approved by the drug controller. Please do write to us ( if a drug is missing from our comprehensive drug price list.

Medical Condition(s) for which Phenergan may be prescribed

Overview of Phenergan

Note: This brand is not available in US market.

Side effects of Phenergan

   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.

   Heart : Increased or decreased blood pressure, fast/slow heart rate and faintness.

   Skin : Skin inflammation, sensitivity to light and hives.

   Blood : Bruising, decrease in white blood cells and platelets.

   Gastrointestinal : Dry mouth, nausea, vomiting and jaundice.

   Respiratory : Asthma, nasal stuffiness and respiratory depression.

Dosage & When it is to be taken (Indications)

Allergy- The average oral dose is 25 mg taken before retiring; however, 12.5 mg may be taken before meals and on retiring, if necessary.
Motion Sickness- 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.

How to use Phenergan?

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.

When is Phenergan not to be taken? (Contraindications)

Contraindicated in patients with asthma, children less than 2 years, and hypersensitivity.
Avoid subcutaneous administration.

Warnings and Precautions for Phenergan

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.

Other Precautions for Phenergan

It may affect blood sugar level; monitor sugar level regularly.

Storage Conditions for Phenergan

Store it at controlled room temperature (20º to 25ºC).

Disclaimer : updates the prices regularly, however despite that there may be discrepancies in the prices displayed. This can be due to many reasons including -
  • Difference in GST/local taxes
  • Change in price by the company
  • Updation of information may not have happened at the right time
For the above reasons Medindia cannot be held liable for any action taken based on the information provided by its website. The purpose of this website is to only provide the initial guidance and it does not intend to replace professional medical opinion in any manner whatsoever.

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