Biologics are medicinal substances that are developed using biological processes. Biologics are often used to treat arthritis and psoriasis and as vaccines. Follow the links below to find WebMD's comprehensive coverage about how biologics work, who should and shouldn't use them, side effects, and much more.
Find the Right Doctor to Treat Your RA
Tips for choosing a rheumatologist or other doctor to treat your RA.
How to Get Help Paying For Your RA Meds
Learn why biologics, a class of drugs used to treat rheumatoid arthritis, are expensive and where to find help paying for them.
Rheumatoid Arthritis: Avoiding 6 Common Mistakes
From not seeing a rheumatologist to not getting the right medication, here are six mistakes to avoid when you have RA.
Treating RA: Biologics at a Glance
Which biologic is right for you? Compare medications to treat rheumatoid arthritis.
Biologics and RA: Risks and Rewards
Learn how biologics work to suppress an overactive immune system, and the benefits and side effects of using a biologic to treat your RA.
Surgery for Crohn’s Disease
Understanding the risks and benefits of Crohn’s disease surgery, when it’s recommended, and what kinds of surgery may help with Crohn’s symptoms.
Taking a Biologic for Crohn's Disease: Risks and Benefits
Weighing the risks and rewards of taking biologics for Crohn’s disease.
Crohn's Disease: Choosing a Biologic
What is a biologic? Which biologics are used for Crohn's? Who should take one? Get answers to these commonly asked questions about biologics.
Side Effects of RA Biologics
Arthritis Foundation President John H. Klippel, MD, explains the side effects of RA biologic drugs.
RA and Biologics
Biologics stave off crippling RA symptoms in some patients.
Is My Biologic Working?
Biologics aren’t for everyone. Learn about how it could be successful for you.
How Do Biologics Work?
Did your doctor prescribe a biologic? Here’s what they do.