With this condition, also known as xerostomia, the salivary glands in the mouth don't make enough saliva to keep the mouth wet.
Disease
Melanoma
Learn about the symptoms, diagnosis and treatments for the most serious form of skin cancer.
Disease
Tapeworm infection
Tapeworms in the intestines usually cause mild disease. Immature tapeworms, called larval cysts, can cause serious disease in other parts of the body.
Disease
Frontal lobe seizures
In this common form of epilepsy, the seizures stem from the front of the brain. They can produce symptoms that appear to be from a mental illness.
Disease
Peripheral T-cell lymphoma
Learn about this type of non-Hodgkin lymphoma that affects the lymph nodes and can spread to the organs. Find out about symptoms, diagnosis and treatments.
Disease
Brain tumor
Find out more about the different types, signs, symptoms and causes of brain tumors, which are growths of cells in the brain.
Disease
Essential tremor
Learn about this condition that causes uncontrollable shaking and find out how it differs from Parkinson's disease.
Disease
Pulmonary hypertension
This lung condition makes the heart work harder and become weak. Changes in genes and some medicines and diseases can cause it. Learn more.
Disease
Neuromyelitis optica
Learn about this condition that affects the spinal cord and eye nerves and is sometimes mistaken for multiple sclerosis.
Disease
Bone spurs
Joint damage due to osteoarthritis is the most common cause of these bony growths.
Disease
C. difficile infection
Learn more about this diarrhea-causing infection that often occurs after antibiotic use. Many, but not all, people who get it are in health care facilities.
Disease
Geographic tongue
Geographic tongue may look alarming, but it does not cause health issues. Sometimes it can cause tongue pain and make you more sensitive to certain foods.