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.
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.
How Biologics Treat RA
What is a biologic? How do these medications stop progression of RA? Find out more.
Next Steps When a Biologic Doesn't Help Your RA
Biologic drugs have altered the course of rheumatoid arthritis for many people, but what happens if you try one and it doesn't work?
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.
Crohn's Disease: Your Treatment Options
Medications to help slow the progression and reduce pain and diarrhea of Crohn's disease.
New Drugs for Rheumatoid Arthritis: What's in the Pipeline
The latest on research and development about oral biologics to treat rheumatoid arthritis.
Treating Your RA: Is It Time for a Biologic?
Learn about your options for rheumatoid arthritis treatment, including what your doctor looks for, and the benefits and alternatives to a biologic.
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.
How Do Biologics Work?
Did your doctor prescribe a biologic? Here’s what they do.
Is My Biologic Working?
Biologics aren’t for everyone. Learn about how it could be successful for you.