Diasmin 50mg Capsule is used to treat pain, stiffness, and joint swelling caused by osteoarthritis. It contains Diacerein, which works by inhibiting the action of a protein involved in the inflammation and destruction of cartilage. In some cases, this medicine may cause side effects such as diarrhoea, stomach pain, flatulence (gas), skin rash, or itching. Inform the doctor if you are pregnant or breastfeeding, taking any other medication, or have any pre-existing medical conditions.