Overview
IV infusions are given every 8 weeks after starter doses.
What it's used for
- Crohn's disease and ulcerative colitis
- Rheumatoid and psoriatic arthritis
- Ankylosing spondylitis
- Psoriasis
How to take it
- Given by IV in a clinic over about 2 hours.
- You'll be tested for TB and hepatitis B before starting. Avoid live vaccines.
Your dose depends on your health and other medicines. Always follow your prescription label, and ask your pharmacist if anything is unclear.
Side effects
Common side effects
- Infusion reactions
- Headache
- Colds
Warnings
- Boxed warnings: serious infections and some cancers.
Other medicines, foods, and alcohol
- Don't combine with other biologics.
Tell your provider and pharmacist about every medicine, vitamin, and supplement you take.
Pregnancy and breastfeeding
Often continued in pregnancy. Talk with your provider.
Missed doses, overdose, and storage
If you miss a dose
Call your clinic to reschedule as soon as possible.
If someone takes too much
Call Poison Control at 1-800-222-1222 or get help online at poison.org. Call 911 if the person collapses, has a seizure, has trouble breathing, or can't be woken.
Storing it
Store at room temperature, away from heat and moisture (not in the bathroom), and out of reach of children and pets.
Conditions it's used for
Sources
- DailyMed: FDA drug label for Infliximab (U.S. National Library of Medicine)
- MedlinePlus: Drugs, herbs, and supplements
- FDA: Drugs@FDA
Last updated 2026-11-13.