Biologics Demystified

A rheumatologist helps clear up confusion about these drugs.

- Jennifer Davis

Biologics have revolutionized the treatment of rheumatoid and other inflammatory types of arthritis for almost two decades, but plenty of misconceptions about them remain. Eric Matteson, MD, helps separate fact from fiction.

What is a biologic?

Unlike conventional drugs, which are made of chemicals, biologics are engineered proteins that come from genes. Biological processes stimulate cells from natural sources – such as microorganisms, humans or other animals – to produce these proteins, which are specifically designed to impair or block certain functions of the immune system.

What do biologics do that other arthritis medications can’t?