promethazine (oral)

Brand name(s):

promethazine, Pentazine, Phenergan

What is the most important information I should know about promethazine oral?

Call your doctor immediately if you experience twitching or uncontrollable movements of your eyes, lips, tongue, face, arms, or legs. These could be early signs of dangerous side effects. Promethazine oral should not be given to a child younger than 2 years old. Promethazine oral can cause severe breathing problems or death in a child younger than 2. Carefully follow your doctor's instructions when giving this medicine to a child of any age. Seek emergency medical attention if you think you have used too much of this medicine. Overdose symptoms may include severe drowsiness, dizziness, dry mouth, large pupils, flushing, nausea, vomiting, shallow breathing, and fainting. Promethazine oral can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert. Avoid drinking alcohol, which can increase some of the side effects of promethazine oral. There are many other medicines that can cause interact with promethazine. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor. Keep a list with you of all the medicines you use and show this list to any doctor or other healthcare provider who treats you.

What is promethazine oral?

Promethazine oral is an antihistamine. It blocks the effects of the naturally occurring chemical histamine in your body.

Promethazine oral is used to treat allergy symptoms such as itching, runny nose, sneezing, itchy or watery eyes, hives, and itchy skin rashes.

Promethazine oral also prevents motion sickness, and treats nausea and vomiting or pain after surgery. It is also used as a sedative or sleep aid.

Promethazine oral may also be used for other purposes not listed in this medication guide.

What should I discuss with my doctor before taking promethazine oral?

Promethazine oral should not be given to a child younger than 2 years old. Promethazine oral can cause severe breathing problems or death in a child younger than 2. Carefully follow your doctor's instructions when giving this medicine to a child of any age. Do not use promethazine oral if you have asthma or other lung disease.

Before taking promethazine oral, tell your doctor if you are allergic to any drugs, or if you have:

epilepsy or another seizure disorder;
sleep apnea (breathing stops during sleep);
glaucoma;
a stomach ulcer or digestive obstruction;
bone marrow disorder;
problems with urination;
high blood pressure or heart disease; or
liver disease.

If you have any of these conditions, you may need a dose adjustment or special tests to safely take promethazine.

FDA pregnancy category C. This medication may be harmful to an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment. It is not known whether promethazine oral passes into breast milk or if it could harm an unborn baby. Do not use promethazine oral without telling your doctor if you are breast-feeding a baby.

If you are over 60 years of age, you may be more sensitive to the side effects of promethazine oral.

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