Henoch–Schönlein purpura, also known as IgA vasculitis, is a condition that causes inflammation of small blood vessels, called vasculitis. This inflammation leads to bleeding into the skin, joints, intestines and kidneys. The condition most commonly affects children, but it can also occur in adults and may be more severe in older individuals. Henoch–Schönlein purpura often develops after a respiratory infection, …

Hemorrhoids are swollen and inflamed veins in the lower rectum or anus. They are similar to varicose veins and can develop inside the rectum, called internal hemorrhoids, or under the skin around the anus, called external hemorrhoids. Hemorrhoids are very common and often related to increased pressure in the rectal area. Many people experience hemorrhoids at some point in their …

Hemophilia is a rare inherited bleeding disorder in which the blood does not clot properly. People with hemophilia have low levels or a complete absence of certain clotting proteins, called clotting factors, that help stop bleeding. As a result, bleeding may last longer than normal after an injury, surgery or dental procedure. Hemophilia mainly affects males, while females are usually …

Hemolytic uremic syndrome is a serious condition characterized by the destruction of red blood cells, low platelet levels, and acute kidney injury. It most commonly occurs after a gastrointestinal infection, especially in children, but can also affect adults. The condition can develop rapidly and requires prompt medical attention to prevent severe complications. Symptoms Symptoms of hemolytic uremic syndrome often begin …

Hemochromatosis is a condition in which the body absorbs and stores excessive amounts of iron from food. The extra iron accumulates in organs such as the liver, heart, pancreas, and joints, potentially causing organ damage over time. It is most commonly a genetic disorder but can also develop due to other medical conditions. Early diagnosis and treatment can prevent serious …

Hemifacial spasm is a neurological condition characterized by involuntary, irregular muscle contractions on one side of the face. These spasms typically begin around the eye and may gradually spread to other facial muscles. The condition is usually chronic and can interfere with daily activities, but it is not life-threatening. Symptoms Symptoms of hemifacial spasm usually affect only one side of …

An intracranial hematoma is a serious medical condition in which blood accumulates inside the skull due to bleeding in or around the brain. This buildup of blood increases pressure on brain tissue and can interfere with normal brain function. Intracranial hematomas often result from head injury but may also occur due to medical conditions affecting blood vessels or clotting. Prompt …

Liver hemangioma is a noncancerous mass made up of tangled blood vessels in the liver. It is the most common type of benign liver tumor and is often discovered incidentally during imaging tests done for other reasons. In most cases, liver hemangiomas do not cause symptoms and do not require treatment. These growths typically remain small and stable over time. …

A hemangioma is a benign growth made up of extra blood vessels. It most commonly appears on the skin or in internal organs, especially the liver. Hemangiomas are usually present at birth or develop shortly afterward and are more common in infants. Most hemangiomas are harmless and do not require treatment, often shrinking or disappearing over time. Symptoms Symptoms of …

Plantar fasciitis is one of the most common causes of heel pain. It occurs when the plantar fascia, a thick band of tissue that runs along the bottom of the foot and connects the heel bone to the toes, becomes inflamed or irritated. This tissue helps support the arch of the foot and absorbs shock during walking or running. When …