Generic Name: Promethazine Injection (proe METH a zeen)
Brand Name: Phenergan
WarningFor all patients taking this medicine:
- Tissue damage has happened with Phenergan (promethazine injection). Sometimes, this has led to surgery. Tell your nurse if you have any burning, color changes, pain, skin breakdown, or swelling where the shot was given.
- Do not give Phenergan (promethazine injection) to a child younger than 2 years of age. It may cause very bad and sometimes deadly breathing problems.
- Use with care in children 2 years of age and older. Talk with the doctor.
- Before your child takes Phenergan (promethazine injection), tell the doctor if your child is taking any drugs that can cause breathing problems. There are many drugs that can do this. Ask the doctor or pharmacist if you are not sure.
Uses of Phenergan:
- It is used to ease allergy signs.
- It is used to help motion sickness.
- It is used to prevent upset stomach and throwing up from surgery.
- It is used during surgery.
- It may be given to you for other reasons. Talk with the doctor.
What do I need to tell my doctor BEFORE I take Phenergan?
For all patients taking Phenergan (promethazine injection):
- If you have an allergy to promethazine or any other part of Phenergan (promethazine injection).
- If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
- If you have any of these health problems: Asthma or other breathing problems like COPD (chronic obstructive pulmonary disease) or sleep apnea (breathing problems during sleep).
- If you have any of these health problems: Low blood cell count or poor bone marrow function.
- If you are taking any drugs that can stop your bone marrow from making some of the cells that your body needs. There are many drugs that can do this. Ask your doctor or pharmacist if you are not sure.
- If you are breast-feeding or plan to breast-feed.
- If your child is throwing up for an unknown reason. Do not give Phenergan (promethazine injection) to a child who is throwing up for an unknown reason.
This is not a list of all drugs or health problems that interact with Phenergan (promethazine injection).
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Phenergan (promethazine injection) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.
What are some things I need to know or do while I take Phenergan?
- Tell all of your health care providers that you take Phenergan (promethazine injection). This includes your doctors, nurses, pharmacists, and dentists.
- Avoid driving and doing other tasks or actions that call for you to be alert or have clear eyesight until you see how Phenergan (promethazine injection) affects you.
- This medicine may cause the results of some pregnancy tests to be wrong. Talk with the doctor.
- If you have high blood sugar (diabetes), you will need to watch your blood sugar closely.
- Talk with your doctor before you drink alcohol or use other drugs and natural products that slow your actions.
- You may get sunburned more easily. Avoid sun, sunlamps, and tanning beds. Use sunscreen and wear clothing and eyewear that protects you from the sun.
- This medicine may raise the chance of seizures in some people, including people who have had seizures in the past. Talk to your doctor to see if you have a greater chance of seizures while taking Phenergan (promethazine injection).
- If you are 65 or older, use Phenergan (promethazine injection) with care. You could have more side effects.
- Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using Phenergan (promethazine injection) while you are pregnant.
- If you are allergic to sulfites, talk with your doctor. Some products have sulfites.
How is this medicine (Phenergan) best taken?
Use Phenergan (promethazine injection) as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- It is given as a shot into a muscle.
- It may be given as a shot into a vein.
- This medicine will be given to you by a doctor.
What do I do if I miss a dose?
- Call your doctor to find out what to do.
See also: Dosage Information (in more detail)
What are some side effects that I need to call my doctor about right away?
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Signs of high or low blood pressure like very bad headache or dizziness, passing out, change in eyesight.
- Fast or slow heartbeat.
- Trouble controlling body movements, twitching, change in balance, trouble swallowing or speaking.
- Shakiness, trouble moving around, or stiffness.
- Feeling very tired or weak.
- Feeling confused.
- Hallucinations (seeing or hearing things that are not there).
- Mood changes.
- Very nervous and excitable.
- Ringing in ears.
- Any unexplained bruising or bleeding.
- Yellow skin or eyes.
- Change in eyesight.
- A very bad and sometimes deadly health problem called neuroleptic malignant syndrome (NMS) may happen. Call your doctor right away if you have any fever, muscle cramps or stiffness, dizziness, very bad headache, confusion, change in thinking, fast heartbeat, heartbeat that does not feel normal, or are sweating a lot.
- This medicine may cause very bad and sometimes deadly breathing problems. Call your doctor right away if you have slow, shallow, or trouble breathing.
- Low white blood cell counts have happened with Phenergan (promethazine injection). This may lead to a higher chance of getting an infection. Call your doctor right away if you have signs of infection like fever, chills, or sore throat.
What are some other side effects of Phenergan?
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
- Feeling sleepy.
- Blurred eyesight.
- Dry mouth.
- Upset stomach or throwing up.
- Feeling tired or weak.
- Feeling nervous and excitable.
- Not able to sleep.
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.
See also: Side effects (in more detail)
If OVERDOSE is suspected:
If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
How do I store and/or throw out Phenergan?
- If you need to store Phenergan (promethazine injection) at home, talk with your doctor, nurse, or pharmacist about how to store it.
Consumer information use
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else's drugs.
- Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
- Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
- Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about Phenergan (promethazine injection), please talk with your doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
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