Symptoms and Causes

Heart Valve Conditions Mitral valve bulging occurs when the flaps (leaflets) of the heart valve between the left chambers become floppy. These leaflets bulge backward into…

Overview Pyoderma gangrenosum is a rare skin condition. It’s characterized by painful, rapidly developing sores that typically appear on the legs. This disorder affects the immune…

What Is Postherpetic Neuralgia? Postherpetic neuralgia is a nerve pain condition that develops after a shingles infection. This painful condition persists long after the visible signs…

What Is Nickel Allergy? Nickel allergy causes an itchy skin rash when your body reacts to this common metal. While jewelry often triggers this reaction, nickel…

Overview Claudication is pain that happens when muscles don’t get enough blood during activity. This usually affects the legs after walking for a certain time or…

Overview IgA nephropathy, also known as Berger disease, affects the kidneys when immunoglobulin A (IgA) proteins build up in kidney tissue. This buildup causes inflammation that…

Overview Multisystem inflammatory syndrome in adults (MIS-A) is a rare but serious condition where multiple body systems become inflamed following COVID-19 infection. MIS-A emerged during the…

Overview A double uterus is a rare birth condition that affects some women. During fetal development, the uterus forms from two small tubes. These tubes normally…

Overview Calciphylaxis is a rare and serious condition where calcium builds up in small blood vessels of the skin and fat tissues. This disease often appears…

Overview Ulnar wrist pain occurs on the pinky-finger side of the wrist, opposite the thumb. This pain stems from the area near the ulna bone, one…