Promethazine

Promethazine is an antihistamine medication that belongs to a class of drugs called phenothiazines.It is available in various formulations, including tablets, capsules, syrup, and injections.

Nausea and vomiting

Motion sickness

Allergies (seasonal allergies, allergic reactions)

Preoperative sedation

Insomnia (when combined with other medications)

Phenermin Syp (Promethazine) works by blocking the action of histamine, a chemical that is released in the body during allergic reactions. It also blocks the action of acetylcholine, a neurotransmitter that is involved in the regulation of various bodily functions, including muscle contractions, heart rate, and digestion.

Store promethazine at room temperature, away from moisture and heat. Keep it out of reach of children.

The dosage of promethazine varies depending on the condition being treated and the individual's age, weight, and overall health.

It is important to follow the doctor's instructions carefully.

Promethazine can be taken by mouth or injected into a muscle or vein.

For nausea and vomiting, it is usually taken as a single dose or multiple doses as needed.

Drowsiness

Dry mouth

Blurred vision

Constipation

Dizziness

Restlessness

Confusion

Extrapyramidal symptoms (involuntary movements)

Skin reactions (rash, itching, hives)

Low blood pressure

Slow heart rate

Seizures

Respiratory problems (difficulty breathing)

Alcohol Consumption

Avoid alcohol while taking promethazine, as it can increase the risk of drowsiness and other side effects.



While Driving or operating Machinery

Do not drive or operate machinery until you know how promethazine affects you. It can cause drowsiness, dizziness, and blurred vision.



Pregnant & Breastfeeding Women

Promethazine should only be used during pregnancy or breastfeeding if the potential benefits outweigh the risks. Consult your doctor for advice.



Children

Promethazine is not recommended for children under 2 years of age.



Kidney

Caution should be exercised when using promethazine in patients with kidney disease.



Liver

Caution should be exercised when using promethazine in patients with liver disease.

https://www.medicines.org.uk/emc/medicine/20014/SPC/promethazine-hydrochloride-tablets/

https://www.mayoclinic.org/drugs-supplements/promethazine-oral-route/description/drg-20067884

https://www.drugs.com/promethazine.html