General English name: Promethazine

Brand: Avomine, Phenergan, Sominex

Application: Prevention of allergic diseases such as hay fever and as a sedative




Promethazine Drug Information

Contraindications to the use of promethazine

Drug interaction of promethazine

Tips to consider before taking promethazine

Possible side effects of promethazine

How to store promethazine




Promethazine Drug Information

Drug Information: Promethazine belongs to a group of drugs called sedative antihistamines. This drug has several uses. Promethazine is used to prevent or treat the feeling of illness. It is usually recommended for travel-related illnesses and dizziness.

Promethazine is used to relieve allergies such as hay fever and allergic skin rashes. In some people, exposure to substances such as pollen, pet skin, house dust or insect bites can overproduce a chemical called histamine. It causes allergic symptoms such as itchy skin, sneezing, runny eyes and nose. Because promethazine blocks the effects of histamine, it helps relieve allergic symptoms.

Promethazine also has a sedative effect. Taking this medicine (for a few days) may help promote sleep in adults with sleep problems. You can buy promethazine with or without a prescription from pharmacies. This medicine is not suitable for children under 2 years old.


Contraindications to the use of promethazine

• Pay attention to the expiration date of the medicine and do not take it if the medicine in your hand has expired.

Never give the medicine to anyone else, even if you have the same symptoms.

• Do not take more than the dose prescribed by your doctor.

Check for drug interactions and be sure to tell your doctor what other medications you are taking.


Drug interaction of promethazine

Drug interactions may alter drug performance and increase the risk of serious side effects. Make a list of all the medicines (including prescription / over-the-counter medicines and herbal products) you use and share them with your doctor and pharmacist. Do not change the dose of your medicine without consulting your doctor or stop taking the medicine.

Some medications that may interact with promethazine include skin antihistamines (such as ointments, sprays, and diphenhydramine creams) and metoclopramide.

If you take promethazine with other medicines that affect breathing or cause drowsiness, you run the risk of serious side effects (such as shortness of breath, slow breathing, shallow breathing, severe drowsiness and dizziness). increase. Therefore, tell your doctor or pharmacist if you are taking medicines that cause drowsiness, including: alcohol, antihistamines (such as cetirizine, diphenhydramine), sleeping pills or anxiety medications (such as alprazolam), alp Diazepam, zolpidem, muscle relaxants, and painkillers (such as codeine).

Check the labels on all your medicines (such as allergies or cough and cold medicines) because some of them are made up of substances that cause drowsiness. Ask your pharmacist how to use them so that you can use them safely.

Promethazine may interfere with certain tests (including some pregnancy tests, glucose tolerance test, allergy skin test) and may result in erroneous test results. Before performing the test, be sure to tell your doctor and lab staff that you have taken promethazine.


Tips to consider before taking promethazine

Some medications are not suitable for people with certain conditions, and some medications may be prescribed if additional treatment is needed. Therefore, it is best for your doctor to know the following before taking promethazine:

• If you are pregnant or planning to become pregnant, or if you are breast-feeding.

• If you have any liver or kidney problems.

• If you have a condition called glaucoma (increased pressure in the eye).

• If you have a prostate problem or experience any problems with urination.

• If you know you have a small bowel obstruction.

• If you have epilepsy.

• If you have any long-term breathing problems such as asthma or bronchitis.

• If you are currently taking certain medications. These medicines include all the medicines available, whether you are prescribed them or taking them without a doctor's prescription, such as herbal medicines and complementary medicines.

• If you have a history of an allergic reaction to a drug.


Possible side effects of promethazine

All medications can cause side effects. But many consumers also do not experience any side effects. Some of the side effects go away shortly after taking the medicine. In case of persistent side effects, the doctor should be informed:

Feeling dizzy and drowsy, blurred vision, headache, dry mouth, difficulty urinating, abdominal pain, constipation

Consult your doctor if you have any other symptoms that you feel are due to medication.


How to store promethazine

• Keep all medicines out of the reach of children.

• Keep the medicine in a cool, dry place away from heat and direct sunlight.

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