Overview
Stelara is a prescription medication approved by the Food and Drug Administration (FDA) to treat adults 18 and older who have moderate to severe plaque psoriasis or active psoriatic arthritis. Stelara may be prescribed alone or in combination with Trexall. Stelara is also known by its drug name, Ustekinumab.

Stelara is an immunomodulator, or, in other words, a drug that modulates the immune system. It is also considered a biologic. Stelara is a genetically engineered antibody, a protein used by the immune system to identify and neutralize substances. Stelara is believed to work by targeting specific proteins in the immune system and reducing inflammation.... read more

How do I take it?
Stelara is injected by a doctor or nurse once every four weeks for the first two doses. After the first two doses, Stelara is injected once every 12 weeks.

Side effects
Common side effects listed on the FDA-approved label for Stelara include upper respiratory infections, headache, back pain, fatigue, dizziness, and nausea.

Rare but serious side effects listed for Stelara include increased risk for certain types of cancer such as carcinoma and a dangerous illness called reversible posterior leukoencephalopathy syndrome.

For answers to frequently asked questions about exposure to Stelara during pregnancy and breastfeeding, visit the experts at MothertoBaby.org.

Stelara (Ustekinumab) Questions

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