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Hemorrhoids
Hemorrhoids are swollen or inflamed veins in your rectum or around your anus. They are very common, especially in people…
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Henoch-Schönlein Purpura
Henoch-Schönlein purpura (HSP) is a rare disease that irritates and inflames the blood vessels in your skin.
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Hepatitis A
Hepatitis A (Hep A) is liver inflammation caused by the hepatitis A virus. It isn’t typically as serious as hepatitis…
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Hepatitis B
Hepatitis B is a serious liver infection caused by a virus. It is usually spread from person to person through…
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Hepatitis C
Hepatitis C is a serious virus that causes inflammation of the liver. It is spread from person to person through…
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Hereditary Hemochromatosis
Hereditary hemochromatosis is a disease in which your body has too much iron. This extra iron can damage your tissues…
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Hernia
A hernia is a tear in your muscle or tissue that allows part of your insides to bulge out. Sometimes…
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Herniated Disc
A herniated disc happens when a disc in your spine weakens or ruptures, putting pressure on a nerve or the…
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Herpes
Herpes is a group of viruses that cause painful blisters and sores. There is no cure, but medicines can treat…
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Hidradenitis Suppurativa
Hidradenitis suppurativa is a chronic skin disease that causes painful red bumps in places where hair grows, including armpits, groin…
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High Blood Pressure (Hypertension)
High blood pressure (hypertension) is a medical condition that occurs when your blood moves through your arteries at higher pressure…
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High Blood Pressure During Pregnancy
Some women will experience high blood pressure during their pregnancy. Treatment varies depending on the type you have and how…
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High Cholesterol
High cholesterol is a medical condition that can lead to stroke and heart disease.
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High-Altitude Illness
High-altitude illness can occur when you travel to altitudes higher than 8,000 feet. It happens when your body doesn’t get…
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Hip Fractures
A hip fracture is a break in your thigh bone (femur) where it connects to your pelvic bone. Hip fractures…
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Hip Problems in Infants
A hip problem in an infant is known as developmental dysplasia of the hip. It can lead to dislocation of…
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Hirschsprung’s Disease
Hirschsprung disease is a rare birth defect that is caused by missing nerve cells in the intestine. It is treated…
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Hirsutism
Hirsutism causes women to have excess hair on their face or body. It can have different causes, including genetics and…
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HIV
The human immunodeficiency virus (HIV) attacks the body’s immune system. A healthy immune system is what keeps you from getting…
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Hives (Urticaria)
Hives (urticaria) are bumps or patches on the surface of your skin. They can be red, itchy, and swollen and…
All conditions that start with the letter H
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