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NALMEFENE (NAL muh feen) is a narcotic blocker. It is used to treat narcotic drug overdose.
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:
drug abuse or addiction
an unusual or allergic reaction to nalmefene, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
This medicine is for injection into a muscle, injection under the skin, or infusion 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. Special care may be needed.
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.
This does not apply.
narcotic medicines for pain
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.
Your condition will be monitored carefully while you are receiving this medicine.
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. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells.
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue
fast, irregular heartbeat
high blood pressure
pain that was controlled by narcotic pain medicine
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
aches and pains
fever or chills
irritable, nervous, restless
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.
This drug is given in a hospital or clinic and will not be stored at home.