FASTNIB – 5 TABLETS with powerful formulation of Tofacitinib 5 mg is used to reduce inflammation and control abnormal immune-system activity in certain inflammatory and autoimmune conditions, including rheumatoid arthritis, psoriatic arthritis, and ulcerative colitis. It is a prescription medicine and should be used strictly under the supervision of a healthcare professional because it can increase the risk of serious infections and other complications.