The tramadol dosage calculator informs you about the recommended dosage of tramadol for a patient of a given age and indication. Tramadol is a prescription generic drug used to treat pain. Learn about side effects, drug interactions, dosages, warnings, and more. Tramadol is an opioid analgesic drug used to treat moderate to moderately severe pain. It works similar to morphine. Tramadol can be highly addictive, and if you stop taking the drug abruptly it may cause withdrawal symptoms. Examples of side effects of tramadol are upset stomach, constipation, and headache, but they usually are temporary. Detailed Tramadol dosage information for adults, the elderly and children. Includes dosages for Pain and Chronic Pain; plus renal, liver and dialysis adjustments. Tramadol oral tablets are used to treat moderate to severe pain. Find out about their recommended dosages, how to take them, and more. Ensure safe tramadol use with our comprehensive guide on how much tramadol can I take at once. Learn about dosages, risks, and emergency responses. 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. Learn about tramadol usage and dosing. Read the latest news and reviews about the drug as well as potential side effects and popular alternatives. However, elderly patients are more likely to have unwanted side effects (eg, constipation, lightheadedness, dizziness, or fainting, stomach upset, weakness) and age-related liver, kidney, heart, or lung problems, which may require caution and an adjustment in the dose for patients receiving tramadol. NHS medicines information on dosage for tramadol, how to take it and what to do if you miss a dose or take too much.