Tapentadol is FDA approved medication used to get relief from chronic and severe pain. The drug is sold under the brand name Nucynta and belongs to the opioids family of the drug which is known to be used as a painkiller. Pain has become a major concern and the most common reason for anybody to visit a doctor. Chronic pain can be defined as pain that does not involve any tissue damage. Tapentadol is considered the first option to be prescribed by the doctor to get pain relief. Another extended-release variant (Tapentadol ER) Here we will be discussing various important details which you need to know before you order tapentadol ER online like uses, side effects, working of the drug in the body, and what precautions you should take before you buy tapentadol.