Info Clinic

Rheumatology

Rheumatology covers joint diseases and autoimmune conditions: rheumatoid arthritis, osteoarthritis, gout, lupus and fibromyalgia. We explain how joint inflammation differs from wear and tear and which tests help make a diagnosis. The content is for reference and does not replace a doctor's examination.

Man clutches his chest with both hands in pain in a black-and-white shot illustrating rheumatology symptoms

Conditions

Two bare feet on a wooden deck, the right one red and swollen near the big toe, as seen in a gout attack

Gout: Why Uric Acid Chooses the Big Toe

Gout is a type of arthritis in which uric acid crystals deposit in a joint. We explain the mechanism of an attack, the risk factors, and the signs that should not be ignored.

3 min · updated October 31, 2026