Learn about tramadol usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. Tramadol ER is used to treat chronic pain that can't be managed with other pain relievers. Learn about its side effects, cost, dosage, and interactions. What is tramadol, and what is it used for? Tramadol is a synthetic (man-made) pain reliever (analgesic). Researchers and doctors do not know the exact mechanism of action of tramadol, but it is similar to morphine. NHS medicines information on dosage for tramadol, how to take it and what to do if you miss a dose or take too much. Detailed Tramadol dosage information for adults and the elderly. Includes dosages for Pain and Chronic Pain; plus renal, liver and dialysis adjustments. Free online tramadol dosage calculator - safe dosing guide. Step-by-step solution, formula, worked examples, and clear explanation. Instant results, no signup. The tramadol dosage calculator informs you about the recommended dosage of tramadol for a patient of a given age and indication. Do not take more than your prescribed dose, and do not take more than 400 mg of tramadol in one day. For immediate-release tramadol, that is eight 50 mg tablets a day, taken in divided doses, or 80 mL of the 5 mg/mL oral solution. Your doctor may increase your dose as needed and tolerated. However, the dose is usually not more than 300 mg per day. Children 12 years of age and older—Use and dose must be determined by your doctor. Children younger than 12 years of age—Should not be used in these patients. Tramadol oral tablets are used to treat moderate to severe pain. Find out about their recommended dosages, how to take them, and more.