Explore possible causes for your medical symptoms. Your donation powers the future of medicine and helps save lives.

Explore comprehensive guides on hundreds of common and rare diseases and conditions from the experts at Mayo Clinic.

Find possible causes of symptoms in children and adults. See our Symptom Checker.

Aug 13, 2024 · Learn about symptoms, causes and treatment of cardiovascular disease, a term describing a wide range of conditions that can affect the heart.

Jul 29, 2025 · Anxiety disorder due to a medical condition includes symptoms of intense anxiety or panic that are directly caused by a physical health problem. Generalized anxiety disorder includes …

Feb 11, 2023 · Many conditions and lifestyle factors can cause this common symptom.

Aug 23, 2024 · But symptoms still need to be documented for at least three months in order for a health care professional to diagnose long COVID. Healthcare professionals may treat your symptoms or …

Dec 12, 2025 · Lupus is a condition in which the body's immune system attacks its own tissues and organs. This is called an autoimmune condition. Lupus causes swelling and irritation, called …

Jun 14, 2024 · Coronary artery disease often develops over many years. Symptoms are from the lack of blood flow to the heart. They may include chest pain and shortness of breath. A complete blockage …

Jun 7, 2025 · They include: Infections and immune disorders. Dementialike symptoms can result from a fever or other side effects of the body's attempt to fight off an infection. Multiple sclerosis and other …