Phenergan (also called Promethazine) belongs to the group of antihistamines. It is intended to relieve allergies, prevent sickness/vomiting caused by travel sickness or other diseases.



Phenergan (also called Promethazine) belongs to the group of antihistamines. It is intended to relieve allergies, prevent sickness/vomiting caused by travel sickness or other diseases.

Important information

This drug may help you to alleviate pain after the operation.

Promethazine is a generic form of this drug.

Always read the drug instructions carefully and stick to your doctor’s prescriptions.

Promethazine must be taken by mouth.


If you skipped the dose of Phenergan, take it as soon as possible. However, if it’s already time for the next dose, skip the pill and keep following your common dosing schedule. Don’t increase the dose to compensate for the missed one.

Keep the drug away from moisture and heat, at a room temperature of about 20 degrees C. Keep this product away from children and animals.

Inform your doctor if you suffer from urination problems; hypertension or cardiovascular disease; asthma or chronic obstructive pulmonary disease; allergy to Promethazine or other foods, drugs or additives; liver/kidney dysfunction; cramps; glaucoma; diabetes; prostate disease.

Tell your doctor if you’re pregnant, planning a pregnancy, or if you’re lactating.

If you use this drug to prevent motion sickness, you should take the drug half an hour before the travel.

Phenergan must not be used by kids under two years. Kids must be treated with special caution. Ask your doctor for additional information.

Inform your doctor if you’re using any other drugs or herbal supplements, because they can interact with this treatment. Tell your physician if you’re currently taking epinephrine, bromocriptine, oral drugs for diabetes, metoclopramide, medications for movement disorders or for gastrointestinal diseases, Metrizamide, doxercalciferol, Levodopa, drugs for mental disorders, etc.

Adverse effects

This drug may make cause drowsiness, which can be increased by the use of barbiturates (like Phenobarbital), alcohol and alcohol containing drugs, miorelaxants, some antidepressants, prescription antibiotics, some antihistamines for the treatment of allergy and cold and sleeping drugs. Inform your doctor if you’re taking any other drugs, herbal supplement or other drugs, because they can interact with this drug.

Avoid driving, operating heavy machinery or engaging in any activities that require high focus until you know your reaction to the treatment. You may often feel drowsy during the treatment. Therefore, you should avoid consuming alcohol. Try to sit up or stand gradually to avoid vertigo.

Inform your doctor if you smoke, consume caffeine, alcohol or drugs, as they can negatively affect the treatment.

Don’t stop the treatment without the doctor’s approval.

Seek immediate medical assistance if you note the following adverse effects: increased heartbeat, heart palpitations; breathing problems; vision impairment; rash; sleeping problems, anxiety, agitation; muscle cramps; sore mouth; jaundice; spasms; blackouts; excessive bleeding; painful urination; weakness.

Inform the doctor if the following adverse effects persist or become annoying: dryness in the mouth; photosensitivity; sleepiness; nasal congestion; head pain.

You can become very sensitive to the sun during the treatment. Always apply a sunscreen and wear protective clothes if you’re going to be out for a long time. Avoid getting exposed to the sun and sunlamps.

To avoid dryness in the mouth, try to chew the gum or suck hard candy, and stay hydrated.

You may feel uncomfortable if you’re using contact lenses. This drug may cause dryness in the eyes and vision impairment. Use lubricating drops. If the adverse effects get bothersome, tell your doctor about it.

If you’re suffering from diabetes, check your glucose levels regularly.

Related products

error: Content is protected !!