What is Stelara? Stelara is an immunosuppressant that reduces the effects of a chemical substance in the body that can cause inflammation. Stelara is used in adults to treat plaque psoriasis or psoriatic arthritis.
Stelara side effects may include:
- cold symptoms such as stuffy nose, sneezing, sore throat
- headache, tired feeling
- mild diarrhea
- mild skin rash or itching