This combination medication is used to treat moderate pain, fever, and swelling. The opioid (narcotic) pain reliever acts on certain centers in the brain to give you pain relief. Aspirin helps to decrease pain, fever, and swelling. Caffeine helps increase the effects of aspirin on pain.
How to use Demerol hydrochloride 100mg
Take this medication by mouth as directed by your doctor. Take with a full glass of water (8 ounces or 240 milliliters) unless your doctor directs you otherwise. Do not lie down for at least 10 minutes after taking this medication. If you have nausea, you may take this medication with food. Consult your doctor or pharmacist about other ways to decrease nausea (such as lying down for 1-2 hours with as little head movement as possible).
The dosage is based on your medical condition and response to treatment. Do not increase your dose or use this product more often or for longer than prescribed, because your risk of side effects may increase. Properly stop this product when so directed.
Suddenly stopping this medication may cause withdrawal, especially if you have used it for a long time or in high doses. To prevent withdrawal, your doctor may lower your dose slowly. Tell your doctor or pharmacist right away if you have any withdrawal symptoms such as restlessness, mental/mood changes (including anxiety, trouble sleeping, thoughts of suicide), watering eyes, runny nose, nausea, diarrhoea, sweating, muscle aches, or sudden changes in behavior.
Though it helps many people, this medication may sometimes cause addiction. This risk may be higher if you have a substance use disorder (such as overuse of or addiction to drugs/alcohol). Take this medication exactly as prescribed to lower the risk of addiction. Ask your doctor or pharmacist for more details.
When used for an extended period, this medication may not work as well and may require different dosing. Talk with your doctor if this medication stops working well.