-
Labyrinthitis
Learn about the symptoms of and treatments for labyrinthitis.
-
Lactose Intolerance
Lactose intolerance means your body cannot tolerate the sugar in milk and other dairy products.
-
Latex Allergy
The protein in rubber latex can cause an allergic reaction in some people. This reaction can range from sneezing to…
-
Leprosy
Leprosy is a chronic infection caused by Mycobacterium leprae bacteria. If left untreated, it can cause deformities of the hands…
-
Leukemia
Leukemia is cancer of the white blood cells. There are 4 main types that have different symptoms and treatments.
-
Lichen Planus
Lichen planus is a type of rash that forms on your skin, on genitalia, or in your mouth. Learn about…
-
Lichen Sclerosus
Lichen sclerosus is a skin condition that often affects your genital or anal areas. It is most common in women…
-
Lipomas
Lipomas are benign (not cancerous), slow-growing tumors that come from fat cells. They are usually round, moveable, flattened lumps under…
-
Low Back Pain
Low back pain is a common problem for many people. Learn what causes it and how to prevent and treat…
-
Lumbar Spinal Canal Stenosis
Lumbar spinal canal stenosis is the narrowing of the space inside the lower spine that carries nerves to your legs…
-
Lung Cancer
Lung cancer is one of the world’s most common cancers. It is the deadliest cancer in the United States. Most…
-
Lupus
Learn about the different types of lupus, as well as the main symptoms, causes, and treatments.
-
Lyme Disease
Lyme disease is a bacterial infection spread by ticks. It can cause fever, joint and muscle aches, and a “bull’s-eye”…
-
Lymphedema
Lymphedema is a condition often caused by cancer treatment or surgery. It results in swelling of the lymph nodes located…