This condition involves swollen lymph nodes in the membrane that connects the bowel to the abdominal wall. It usually affects children and teens.
Disease
Metachromatic leukodystrophy
This rare genetic disorder causes fatty substances (sulfatides) to build up in your brain and nervous system, causing progressive loss of nerve function.
Disease
Non-Hodgkin lymphoma
Learn about the symptoms, risk factors and treatment of this cancer of the lymphatic system that causes swollen lymph nodes.
Disease
Oral lichen planus
This ongoing inflammatory condition results in white, lacy patches or red, swollen tissues or open sores inside your mouth that may cause burning or pain.
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
Polymorphous light eruption
Learn more about the symptoms and treatments for this sun-induced skin rash that usually appears in spring or summer, and also after using tanning beds.
Disease
Preterm labor
Going into labor before the due date is serious, but knowing the risk factors and how to manage them can help.
Disease
Primary lateral sclerosis (PLS)
This motor neuron disease causes nerves within the brain to slowly break down. It causes muscle weakness primarily in the legs, arms and tongue.
Disease
Primary mediastinal large B-cell lymphoma
Learn about the symptoms, diagnosis and treatment of this type of non-Hodgkin lymphoma.
Disease
Pubic lice (crabs)
Pubic lice (crabs) are an itchy, but treatable, nuisance. Find out how to spot and treat this common sexually transmitted infection (STI).
Disease
Residual limb pain
Learn about causes and treatments of this common pain that happens in part of an arm or leg that's left after the arm or leg is removed.
Disease
Restless legs syndrome
Uncomfortable sensations in your legs can interrupt your sleep — making you drag through your day. These therapies calm the restlessness and improve sleep.