Brand Name
Demerol
Common Name
meperidine
In this drug factsheet:
DIN (Drug Identification Number)| 02138018 | DEMEROL 50MG TABLET |
How does this medication work? What will it do for me?
Meperidine belongs to the class of medications known as narcotic analgesics (pain relievers). It is used to treat moderate-to-severe pain associated with many medical, surgical, obstetrical, and dental procedures. It acts on the brain to relieve pain.
Your doctor may have suggested this medication for conditions other than the ones listed in these drug information articles. If you have not discussed this with your doctor or are not sure why you are taking this medication, speak to your doctor. Do not stop taking this medication without consulting your doctor.
Do not give this medication to anyone else, even if they have the same symptoms as you do. It can be harmful for people to take this medication if their doctor has not prescribed it.
How should I use this medication?
The usual adult dose of meperidine is 50 mg to 150 mg taken every three to four hours as prescribed by the doctor and as necessary for pain. The dose for seniors should be reduced, and the dose for children is based on body weight as prescribed by the doctor.
This medication may be habit forming if used for extended periods of time. Do not take this medication in higher doses or for a longer period of time than prescribed by your doctor.
Many things can affect the dose of medication that a person needs, such as body weight, other medical conditions, and other medications. If your doctor has recommended a dose different from the ones listed here, do not change the way that you are taking the medication without consulting your doctor.
It is important that this medication be taken exactly as prescribed by your doctor. If you miss a dose, take it as soon as possible and continue with your regular schedule. If it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for a missed one.
Do not dispose of medications in wastewater (e.g. down the sink or in the toilet) or in household garbage. Ask your pharmacist how to dispose of medications that are no longer needed or have expired.

What form(s) does this medication come in?
Each white tablet with stylized "W" on one side, scored on the other with "D" above and "35" below, contains meperidine HCl 50 mg. Nonmedicinal ingredients: calcium phosphate (dibasic, dihydrate), calcium sulfate, (dihydrate), cornstarch, stearic acid and talc. Energy: 0.2 kJ (0.06 kcal). Gluten-, lactose-, sucrose- and tartrazine-free.
Some medications may have other generic brands available. Always ask your doctor or pharmacist about the safety of switching between brands of the same medication.
Who should NOT take this medication?
This medication should not be taken by anyone who:
- is allergic to narcotic analgesics or to any of the ingredients of the medication
- has received MAO inhibitors within the past 14 days
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