Demerol (Meperidine HCL) 100mg/ml


Demerol (Meperidine HCL) 100mg/ml  short-term treatment of moderate to severe pain. It may also be used before or during surgery (eg, to support anesthesia), for pain relief during labor and delivery.


Demerol (Meperidine HCL) 100mg/ml (meperidine) is an opioid pain medication. An opioid is sometimes called a narcotic.

Demerol (Meperidine HCL) 100mg/ml is used to treat moderate-to-severe pain.

Demerol (Meperidine HCL) 100mg/ml may also be used for purposes not listed in this medication guide.

Important information Demerol (Meperidine HCL) 100mg/ml

You should not use Demerol if you have severe asthma or breathing problems.

Before taking Demerol (Meperidine HCL) 100mg/ml

You should not use Demerol if you are allergic to meperidine, or if you have severe asthma or breathing problems.

Do not use Demerol if you have used an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, tranylcypromine, and others.

Some medicines can interact with meperidine and cause a serious condition called serotonin syndrome. Be sure your doctor knows if you also take stimulant medicine, herbal products, or medicine for depression, mental illness, Parkinson’s disease, migraine headaches, serious infections, or prevention of nausea and vomiting. Ask your doctor before making any changes in how or when you take your medications.

How should I take Demerol?

Take Demerol exactly as prescribed by your doctor. Follow all directions on your prescription label. Meperidine can slow or stop your breathing, especially when you start using this medicine or whenever your dose is changed. Never take Demerol in larger amounts, or for longer than prescribed. Tell your doctor if the medicine seems to stop working as well in relieving your pain.

See also: Dosage Information (in more detail)


What other drugs will affect Demerol?

Narcotic (opioid) medication can interact with many other drugs and cause dangerous side effects or death. Be sure your doctor knows if you also use:

Additional information

Weight 1 oz


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