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.
What is a biologic? Which biologics are used for Crohn's? Who should take one? WebMD answers these commonly asked questions about biologics.
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