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Female sexual dysfunction
Learn more about female sexual difficulties — what causes them and possible treatments, including medications.
Fibromyalgia
This complicated disorder amplifies painful sensations by affecting the way your brain processes pain signals. Medications, therapy and exercise can help.
Group B strep disease
This common bacterium, usually harmless in healthy adults, can cause serious illness in newborns and adults with certain chronic conditions, such as diabetes.
Guillain-Barre syndrome
This rare autoimmune condition affects the nerves, causing weakness and tingling in the arms and legs that quickly spreads throughout the body.
Hemorrhoids
There are many effective options for easing the discomfort of hemorrhoids — swollen veins in the anus and lower rectum.
Herniated disk
This condition occurs most often in the lower back. In many cases, it causes no symptoms and requires no treatment. Surgery is rarely needed.
Hydrocephalus
Learn about this potentially fatal condition that causes fluid buildup in the brain. It can cause a range of symptoms, from headaches to poor balance.
Hydronephrosis
Learn about this condition that occurs when urine doesn't drain properly from the upper urinary tract, leading to kidney swelling.
Hyperhidrosis
Learn more about causes, symptoms, treatment and self-care tips for this embarrassing condition that causes heavy sweating unrelated to heat or exercise.
Hypospadias
Hypospadias is a birth defect in which the opening of the urethra is located on the underside of the penis instead of the tip. Learn about treatment.
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