Asapadol 100 mg contains Tapentadol, a narcotic analgesic that relieves pain that other medications can not manage. Aspadol Tablet relieves moderate to severe pain, such as toothaches and headaches, as well as joint and muscular disorders. It can alleviate pain in illnesses such as rheumatoid arthritis and osteoarthritis. It works by inhibiting chemical messages in the brain that inform us we’re in pain.