Ustekinumab is used to treat plaque psoriasis in adults and children who are at least 6 years old. Ustekinumab is also used to treat psoriatic arthritis in adults, and is sometimes given with another medicine called methotrexate.
Ustekinumab is also used in adults to treat moderately to severely active Crohn's disease or ulcerative colitis.
Ustekinumab may also be used for purposes not listed in this medication guide.
