Tramadol is a medication that treats severe pain. It’s an opioid that works by blocking pain signals in your brain. 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. Tramadol is highly metabolized in the body. Some people change tramadol to a stronger product (O-desmethyltramadol) more quickly than others. These individuals are called ultra-rapid metabolizers of tramadol. Contact your doctor immediately if you experience extreme sleepiness, confusion, or shallow breathing. 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 is an opioid medication that may be used to treat moderate to moderately severe chronic pain in adults, including pain after surgery. Learn about the side effects of tramadol, from common to rare, for consumers and healthcare professionals. Tramadol, sold under the brand name Tramal among others, [19][1] is an opioid pain medication and a serotonin–norepinephrine reuptake inhibitor (SNRI) used to treat moderate to severe pain. [15][19] When taken by mouth in an immediate-release formulation, the onset of pain relief usually begins within an hour. [15] It is also available by injection. [20] It is available in combination with. Tramadol is a prescription generic drug used to treat pain. Learn about side effects, drug interactions, dosages, warnings, and more. 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. Find patient medical information for Tramadol (Ultram, Conzip, Qdolo) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings.