This is an automatically translated article.
The article was written by Pharmacist Hoang Nguyen Kim Thoa - Clinical Pharmacist, Faculty of Pharmacy - Vinmec Times City International General Hospital.On the Vietnamese market, Phenergan is available in two forms: Phenergan syrup 0.1%, 90ml and Phenergan 2% cream. The active ingredient of the drug is promethazine, a first-generation antihistamine, which works through competition for the site of action with histamine, a chemical mediator that causes allergic reactions. Depending on the form of use, the drug is used in different indications.
1. Effects of Phenergan
Phenergan skin cream is used in cases of itchy papules, urticaria, insect stings, skin irritation caused by X-rays. The drug has the effect of reducing skin symptoms, can be combined with oral and injectable drugs in cases of severe allergies.
Phenergan syrup is used in the treatment of allergic symptoms such as rashes, urticaria, allergic rhinitis. The drug is also used for sedation or motion sickness.
2. Common side effects
The most common side effect of oral Phenergan is drowsiness, you may experience mild to moderate drowsiness while taking the drug. Do not operate machinery while taking this medicine. In addition, the drug can cause dizziness, nausea, fatigue, dry mouth, urinary retention, visual disturbances (blurred vision, double vision).
Using Phenergan topically is often less absorbed into the body's general circulation. Common side effects are skin or photosensitivity.
Not all patients experience side effects from medications. If you experience any discomfort or abnormality after taking the medicine, you should talk to your doctor or pharmacist for advice.
Siro Phenergan được dùng để điều trị các triệu chứng của viêm mũi dị ứng
3. Usage
Phenergan syrup: Take according to the dose prescribed by the doctor, depending on the purpose of use
Usual dosage:
Adults: 25ml - 50ml/day Children: 2 years - 5 years old: 5ml - 15ml/day 5 years old - 12 years old: 10ml - 25ml/day
Phenergan siro uống theo liều chỉ định của bác sĩ
Phenergan topical: Apply a thin layer, 3-4 times daily, as directed by your doctor
Phenergan should be stopped at least 72 hours before performing a skin test
4. Note when using
Phenergan should not be used in children < 2 years of age due to the risk of serious respiratory side effects. Do not arbitrarily use the drug on children, only use when prescribed by a doctor.
Talk to your doctor and pharmacist about any chronic medical conditions, pregnancy, lactation and medications you are taking before taking them.
Avoid alcohol while taking medication.
Do not exceed the dose prescribed or recommended in the leaflet.
Tell your doctor if you experience any discomfort or abnormality after using the drug.
Customers can directly go to Vinmec Health system nationwide to visit or contact the hotline here for support.
