When kidneys no longer function well enough to meet a body's needs, treatment involves kidney dialysis or kidney transplant.
Disease
Erectile dysfunction
Know what can cause not being able to get and keep an erection for sexual activity and the possible treatments.
Disease
Factitious disorder
In this serious mental health condition, people deceive others by pretending to be sick. They do this by faking symptoms, purposely getting sick or hurting themselves.
Disease
Fatty liver disease (MASLD)
This liver condition is becoming more common in the Western world. Find out how to treat and prevent this potentially dangerous liver disease.
Disease
Female sexual dysfunction
Learn more about what causes these sexual problems and possible treatments, including medicines.
Disease
Fibromuscular dysplasia
Learn more about this condition that can narrow different arteries, including ones that supply blood to your kidneys, brain, heart or belly area.
Disease
Foot drop
Foot drop is a general term that describes a difficulty in lifting the front part of the foot. It's often caused by compression of a nerve.
Disease
Frontotemporal dementia
Read more about this less common type of dementia that can lead to personality changes and trouble with speech and movement.
Disease
Fuchs dystrophy
Fuchs dystrophy may cause eye pain and vision problems that get worse over time. Medicines can help but surgery may be needed.
Disease
Functional dyspepsia
Learn about functional dyspepsia, a digestive disorder with no clear cause. Treatment may help relieve this common condition.
This disorder includes nervous system symptoms affecting movement or the senses that are not caused by medical disease. Treatment can help with recovery.
Disease
Gastroesophageal reflux disease (GERD)
If stomach acid washes back into the esophagus, it can cause discomfort and may lead to precancerous changes in the lining of the esophagus.