Gout is a type of crystal arthritis characterized by high uric acid levels in the blood and painful attacks of acute arthritis, typically in the big toe joint. It is more common in males than females and can be caused by increased uric acid production or decreased excretion. Acute gout causes sudden, severe pain and swelling in joints like the toe and chronic gout leads to tophi deposits under the skin and possible joint damage over time if untreated. Diagnosis involves examining joint fluid for urate crystals under polarized light and treating acute attacks involves NSAIDs, colchicine, or steroids while long term treatment focuses on uric acid lowering drugs like allopurinol.