Case studies have been done into other uses of infliximab, such as to treat skin diseases.> Infliximab has been approved for treating ankylosing spondylitis, Crohn's disease, fistulizing Crohn's disease, pediatric Crohn's disease, psoriatic arthritis, psoriasis, rheumatoid arthritis, and ulcerative colitis.> Infliximab is also prescribed (out of indication) for the treatment of Behcet's disease and infusions of infliximab have been used successfully in the treatment of sciatica due to slipped discs">