This medicine is a pain reliever for moderate to severe pain. It works in your brain and spinal cord to reduce pain signals.
Take one 100 mg tablet twice a day, usually in the morning and evening. Your doctor may increase the dose to 150 mg or 200 mg twice daily if needed.
Swallow the tablets whole with enough liquid, like a glass of water. Do not break, crush, or chew them. You can take them with or without food.
Always wait at least 8 hours between doses. Do not take more than 400 mg per day, unless your doctor tells you otherwise.
Avoid use in older adults. Serotonergic. Prodrug. Genotype affects the response. Reduce the dose in moderately severe and severe renal impairment. Increases the risk of confusion and falling. Need for laxative is often necessary. Consider potential interactions. (updated 18.8.2025)