Biogesic 100mg Tablet is a pain relief medication. It is used to treat inflammatory illnesses such as rheumatoid arthritis, post-operative pain, fever, and period pain. Biogesic 100mg Tablet is also used to treat a high fever. It works by preventing the release of specific chemical messengers that produce fever. It can be prescribed alone or in combination with another medication. You should take it on a regular basis, as directed by your doctor.