Rekin 650 Tablet is a Brand used to relieve pain and to reduce fever. It is used to treat many conditions such as headaches, body aches, toothaches, and the common cold. It works by inhibiting the release of certain chemicals that cause pain and fever.Rekin 650 Tablet is a common painkiller used to treat aches and pains. It works by blocking chemical messengers in the brain that tell us we have pain. It is effective in relieving pain caused by headache, migraine, nerve pain, toothache, sore throat, period (menstrual) pains, arthritis, and muscle aches.