Uses
Demerol is used to help relieve moderate to severe pain. It may also be used before and during surgery or other procedures. Meperidine belongs to a class of drugs known as opioid analgesics and is similar to morphine.

How to use Demerol Vial
This medication is given by injection into a vein, into a muscle, or under the skin as directed by your doctor.
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.
Side Effects
Nausea, vomiting, constipation, sweating, lightheadedness, dizziness, drowsiness, or pain/redness at the injection site may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
To prevent constipation, eat dietary fiber, drink enough water, and exercise. You may also need to take a laxative. Ask your pharmacist which type of laxative is right for you.
Precautions
Before using meperidine, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Overdose
If someone has overdosed and has serious symptoms such as passing out or trouble breathing, give them naloxone if available, then call 911. If the person is awake and has no symptoms, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: slow/shallow breathing, severe drowsiness, coma.
