PROMETHAZINE (proe METH a zeen) 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.
They need to know if you have any of these conditions:
high blood pressure or heart disease
lung or breathing disease, like asthma
pain or difficulty passing urine
an unusual or allergic reaction to promethazine or phenothiazines, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
Take this medicine by mouth. Follow the directions on the prescription label. Use a specially marked spoon or container to measure your medicine. Ask your pharmacist if you do not have one. Household spoons are not accurate. 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.
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.
Do not take this medicine with any of the following medications:
medicines called MAO Inhibitors like Nardil, Parnate, Marplan, Eldepryl
other phenothiazines like trimethobenzamide
This medicine may also interact with the following medications:
barbiturates like phenobarbital
certain antihistamines used in allergy or cold medicines
medicines for sleep
medicines for mental problems and psychotic disturbances
medicines for movement abnormalities as in Parkinson's disease, or for gastrointestinal problems
prescription pain medicines
This list may not describe all possible interactions. Give your health care provider 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.
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.
Side effects that you should report to your doctor or health care professional as soon as possible:
irregular heartbeat, palpitations or chest pain
muscle or facial twitches
slowed or shallow breathing
unusual bleeding or bruising
yellowing of the eyes or skin
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
nightmares, agitation, nervousness, excitability, not able to sleep (these are more likely in children)
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Keep out of the reach of children.
Store at room temperature, between 15 and 25 degrees C (59 and 77 degrees F). Do not freeze Protect from light. Throw away any unused medicine after the expiration date.
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.
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.
This medicine is for rectal use only. Do not take by mouth. Wash your hands before and after use. Take off the foil wrapping. Wet the tip of the suppository with cold tap water to make it easier to use. Lie on your side with your lower leg straightened out and your upper leg bent forward toward your stomach. Lift upper buttock to expose the rectal area. Apply gentle pressure to insert the suppository completely into the rectum, pointed end first. Hold buttocks together for a few seconds. Remain lying down for about 15 minutes to avoid having the suppository come out. Do not use more often than directed.
If you miss a dose, use it as soon as you can. If it is almost time for your next dose, use only that dose. Do not use double doses.
barbiturates such as phenobarbital
Store in a refrigerator between 2 and 8 degrees C (36 and 46 degrees F). Throw away any unused medicine after the expiration date.
This medicine is for injection into a muscle, or into a vein. It is given by a health care professional in a hospital or clinic setting.
Talk to your pediatrician regarding the use of this medicine in children. This medicine should not be given to infants and children younger than 2 years old.
This does not apply.
Your condition will be monitored carefully while you are receiving this medicine.
Your healthcare professional will discuss with you the risks and the benefits of using this medicine. This medicine has caused serious side effects in some patients after it was injected into a vein. Watch closely for any signs or symptoms of a local reaction like burning, pain, redness, swelling, and blistering and tell your healthcare professional immediately if any occur. These symptoms may occur when you receive the injection or may occur hours or even days after the injection.
Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water will help.
Keep out of the sun, or wear protective clothing outdoors and use a sunscreen. Do not use sun lamps or sun tanning beds or booths.
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
burning, blistering, pain, redness, and/or swelling at the injection site
This drug is given in a hospital or clinic and will not be stored at home.