Overview
It blocks TNF, a protein that drives inflammation. Many biosimilar versions are available.
What it's used for
- Rheumatoid and psoriatic arthritis
- Psoriasis
- Crohn's disease and ulcerative colitis
- Ankylosing spondylitis
- Hidradenitis suppurativa
- Uveitis
How to take it
- Inject under the skin as scheduled, often every other week.
- Let it reach room temperature before injecting. Rotate spots.
- You'll be tested for TB and hepatitis B before starting.
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
- Redness or itching at the shot site
- Colds and sinus infections
- Headache
Warnings
- Boxed warnings: serious infections, including TB, and rare cancers like lymphoma.
- Avoid live vaccines.
Other medicines, foods, and alcohol
- Don't combine with other biologics like anakinra or abatacept.
Tell your provider and pharmacist about every medicine, vitamin, and supplement you take.
Pregnancy and breastfeeding
Often continued in pregnancy for some conditions. Talk with your provider.
Missed doses, overdose, and storage
If you miss a dose
Inject it as soon as you remember, then go back to your usual schedule. Ask your provider if unsure.
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
Keep in the refrigerator in the original carton; don't freeze. It can be kept at room temperature for up to 14 days (check your brand).
Conditions it's used for
Sources
- DailyMed: FDA drug label for Adalimumab (U.S. National Library of Medicine)
- MedlinePlus: Drugs, herbs, and supplements
- FDA: Drugs@FDA
Last updated 2026-11-13.