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Important Note

The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug.





This medication is a narcotic analgesic used to relieve moderate to severe pain.

How To Use

This medication is given by injection. Because this medication is more effective for preventing pain than treating once it occurs, this is usually given regularly (every 2-4 hours) for a short time. Use this medication exactly as directed by your doctor. Do not increase your dose, use it more frequently or use it for a longer period of time than prescribed because this drug can be habit-forming. Also, if used for an extended period, do not suddenly stop using this drug without your doctor's approval. Over time, this drug may not work as well. Consult your doctor if this medication is not relieving the pain sufficiently.

Side Effects

Stomach upset, blurred vision, drowsiness, constipation, dizziness or lightheadedness may occur. If any of these effects continue or become bothersome, inform your doctor. Notify your doctor immediately if you develop: a rapid heart rate, fainting, mood changes, irritability, anxiety, mental confusion, hallucinations, nervousness, tremors, depression, seizures. In the unlikely event you have an allergic reaction to this drug, seek immediate medical attention. Symptoms of an allergic reaction include: rash, itching, swelling, dizziness, trouble breathing. If you notice other effects not listed above, contact your doctor or pharmacist.


Tell your doctor if you have a history of: asthma, kidney disease, liver disease, heart disease, head injury, seizure disorder, depression, drug dependency, drug allergies (especially to narcotic pain medications). The elderly and children may be more susceptible to the effects of this drug. Use this medication cautiously. To avoid dizziness and lightheadedness when rising from a seated or lying position, get up slowly. Also, limit your intake of alcoholic beverages which will aggravate these effects. Use caution performing tasks requiring alertness such as driving or using machinery. This medication should be used during pregnancy only when clearly needed. It is used during labor to provide pain relief. Discuss the risks and benefits with your doctor. Meperidine is excreted into breast milk and while, to date, no harm has been noted to nursing infants, consult your doctor before you breast-feed.

Drug Interactions

Tell your doctor of any over-the-counter or prescription medication you may use, including: MAO inhibitors (e.g., furazolidone, linezolid, phenelzine, selegiline, tranylcypromine), chlorpromazine, cimetidine, other narcotic pain relievers, sleeping pills, anti-seizures drugs, antidepressants. Limit intake of alcohol while using this medication. Do not start or stop any medicine without doctor or pharmacist approval.


If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include cold and clammy skin, slowed breathing, slowed heart rate, lightheadedness, deep sleep, and loss of consciousness.


Do not share this medication with others. It is against the law.

Missed Dose

If you miss a dose, use it as soon as remembered; do not use it if it is near the time for the next dose, instead, skip the missed dose and resume your usual dosing schedule. Do not "double-up" the dose to catch up.


Store at room temperature between 59 and 86 degrees F (between 15 and 30 degrees C) away from heat and light. Do not store in the bathroom.