Generic Name(s): promethazine
Drug Class: Antihistamines
Treats: Pain, Nausea, Anaphylaxis
As an antihistamine, Phenergan (Promethazine) is used to treat allergy symptoms such as a runny nose or itching from a rash. In addition to that, Phenergan may also be used to combat the occurrence of nausea and vomiting after a surgery. Phenergan works by blocking histamines that are created during an allergic reaction. The drug blocks out pain and nausea by altering natural substances such as acetylcholine.
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Phenergan blocks out histamines from the body in order to combat symptoms of allergic reactions. In taking this medication, one can lessen the chances of a runny nose, rash etc..
Phenergan is also able to alter natural substances such as acetylcholine so that the body produces a calming, anti-pain effect. For this reason, it makes for a great medication when one is recovering from a surgery.
- Allergic reastions
- Nausea and vomiting after surgery
Phenergan dosage is dependent on the individual that it is being administered to. The following dosage is an average dose and could differ among individuals. Follow your medical professional's directions for best results.
- Take 25mg before going to sleep. One can also take dosages of 6.25-12.5mg three times a day.
For Nausea and Vomiting
- For adults, take a daily dosage of 25mg. However dosages of 12.5-25mg can be taken as necessary for a period of four to six hours.
- For children, the dosage is based on the patient's body weight. However, the dosage is usually .5mg per pound of the person's weight.
- For adults, take 25-50mg at night
- For children, take 12.5-25mg around bedtime.
Phenergan Side Effects
There are various side effects that can occur from taking this medication. Consult your doctor immediately and stop using this medicine if you ever find yourself suffering from any of the following:
- difficulty breathing
- high fever
- bladder control
- chest pain
- double vision
Less serious side effects include:
- bleeding gums
- black tarry stools
- abdominal and back pain
- bloody nose
This medicine interacts with various other drugs. Some interactions are mild, moderate, and some of them can be severe. Some common medications are:
If you are suffering from Parkinsonism, liver diseases, Cns depression, respiratory disorders, acute alcohol intoxication and some others then you should let your doctor know immediately.