Doctril Forte contains the active ingredient ibuprofen (lysine). Ibuprofen belongs to the group of medications known as non-steroidal anti-inflammatory drugs (NSAIDs). NSAIDs provide relief by altering the body's response to pain and fever. This medication is used in adults, adolescents, and children from 7 years old for the occasional symptomatic treatment of mild to moderate pain such as headaches, dental pain, menstrual pain, and feverish states.