promethazine - injection, Phenergan (cont.)
USES: Promethazine injection is used to treat nausea and vomiting related to certain conditions (e.g., after surgery, motion sickness). It is also used with other medication to treat life-threatening allergic symptoms (anaphylaxis) and reactions to blood products. The injectable form may be used to treat milder allergic reactions when you cannot take another medication by mouth. It may also be used before/after surgery, other procedures, or labor and delivery to help you feel calmer, to prevent nausea/vomiting, and to help certain narcotic pain relievers (e.g., meperidine) work better.Promethazine is an antihistamine (phenothiazine type). It works by blocking a certain natural substance (histamine) that your body makes during an allergic reaction. Its other effects (e.g., anti-nausea, calming, pain relief) may work by affecting other natural substances (e.g., acetylcholine) and by acting directly on certain parts of the brain.This medication should not be used in children younger than 2 years.
HOW TO USE: See also Warning section.It is best to inject this medication deep into a muscle. It may also be injected slowly into a large vein (not in the hand or wrist) by a health care professional. Do not inject this medication under the skin or into an artery. If you have any questions about the proper use of this medication, ask your doctor or pharmacist.Your dosage and how often you receive the medication will be determined by your weight, age, condition, and response to therapy. Injections may be repeated if needed, usually every 4 hours.If you are giving this medication to yourself at home, learn all preparation and usage instructions from your health care professional. Before using, check this product visually for particles or discoloration. If either is present, do not use the liquid. Learn how to store and discard medical supplies safely.Inform your doctor if your condition does not improve or if it worsens.
SIDE EFFECTS: Drowsiness, dizziness, constipation, blurred vision, or dry mouth may occur. If any of these effects persist or worsen, notify your doctor.Some people, especially children, may experience excitability rather than drowsiness.Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.This medication can cause severe tissue damage, possibly requiring surgery. Tell your doctor/nurse immediately if you experience burning, pain, redness, swelling, or numbness at or near the injection site.Tell your doctor right away if you have any side effects, including: lack of coordination, severe dizziness, fainting, confusion, slow heartbeat, involuntary muscle movements, muscle spasms (e.g., rolling eyes, twisting neck/back), restlessness, decreased/painful urination, signs of serious infection (e.g., persistent sore throat, fever), unusual bleeding/ bruising, severe stomach/abdominal pain, yellowing of eyes/skin.Get medical help right away if any of these unlikely but very serious side effects occur: slow/shallow breathing, difficulty waking up, hot/dry skin, seizures.This medication may rarely cause a very serious condition called neuroleptic malignant syndrome (NMS). Get medical help right away if you have any of the following symptoms: fever, muscle stiffness/pain/tenderness/weakness, severe tiredness, severe confusion, sweating, fast/irregular heartbeat, dark urine, change in the amount of urine.A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.In the US -Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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