Drugs & Vitamins

Active Ingredients: Promethazine
Other Names: Promethazine Hydrochloride Tablets
Product Images & Descriptions:
Pronunciation:

What is/are Phenergan? (Back to top)
PROMETHAZINE is an antihistamine. It is used to treat allergic reactions and to treat or prevent nausea and vomiting from illness or motion sickness. It is also used to make you sleep before surgery, and to help treat pain or nausea after surgery. This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

What should I tell my health care providers before I take this medicine? (Back to top)
They need to know if you have any of these conditions:

• glaucoma
• high blood pressure or heart disease
• kidney disease
• liver disease
• lung or breathing disease, like asthma
• prostate trouble
• pain or difficulty passing urine
• seizures
• an unusual or allergic reaction to promethazine or phenothiazines, other medicines, foods, dyes, or preservatives
• pregnant or trying to get pregnant
• breast-feeding

How should I use this medicine? (Back to top)
Take this medicine by mouth with a glass of water. Follow the directions on the prescription label. Take your doses at regular intervals. Do not take your medicine more often than directed.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed. This medicine should not be given to infants and children younger than 2 years old.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

Note: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose? (Back to top)
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medicine? (Back to top)
Do not take this medicine with any of the following:

• medicines called MAO Inhibitors like Nardil, Parnate, Marplan, Eldepryl
• other phenothiazines like trimethobenzamide

• barbiturates like phenobarbital
• bromocriptine
• certain antidepressants
• certain antihistamines used in allergy or cold medicines
• epinephrine
• levodopa
• medicines for sleep
• medicines for mental problems and psychotic disturbances
• medicines for movement abnormalities as in Parkinson's disease, or for gastrointestinal problems
• muscle relaxants
• prescription pain medicines

This list may not describe all possible interactions. Give your health care providers a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What side effects may I notice from this medicine? (Back to top)
Side effects that you should report to your doctor or health care professional as soon as possible:

• blurred vision
• irregular heartbeat, palpitations or chest pain
• muscle or facial twitches
• pain or difficulty passing urine
• seizures
• skin rash
• slowed or shallow breathing
• unusual bleeding or bruising
• yellowing of the eyes or skin

• headache
• nightmares, agitation, nervousness, excitability, not able to sleep (these are more likely in children)
• stuffy nose

This list may not describe all possible side effects.

What should I watch for while using this medicine? (Back to top)
Tell your doctor or health care professional if your symptoms do not start to get better in 1 to 2 days.

You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. To reduce the risk of dizzy or fainting spells, do not stand or sit up quickly, especially if you are an older patient. Alcohol may increase dizziness and drowsiness. Avoid alcoholic drinks.

Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water may help. Contact your doctor if the problem does not go away or is severe.

This medicine may cause dry eyes and blurred vision. If you wear contact lenses you may feel some discomfort. Lubricating drops may help. See your eye doctor if the problem does not go away or is severe.

This medicine can make you more sensitive to the sun. Keep out of the sun. If you cannot avoid being in the sun, wear protective clothing and use sunscreen. Do not use sun lamps or tanning beds/booths.

If you are diabetic, check your blood-sugar levels regularly.

Where should I keep this medicine? (Back to top)
Keep out of the reach of children.

Store at room temperature, between 20 and 25 degrees C (68 and 77 degrees F). Protect from light. Throw away any unused medicine after the expiration date.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

Last Updated:July 25, 2006

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