Stelara (ustekinumab) is an immunosuppressant that reduces the effects of a chemical substance in the body that can cause inflammation.
Stelara is used to treat plaque psoriasis in adults and children who are at least 6 years old. It is also used to treat psoriatic arthritis in adults, and is sometimes given with another medicine called methotrexate.
Stelara is used in adults to treat moderately to severely active Crohn's disease after other medicines have been tried without success.
Stelara is also used in adults to treat moderately to severely active ulcerative colitis.
