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.
Disease
Pediatric brain tumors
Pediatric brain tumors include medulloblastoma, glioma, embryonal tumor, germ cell brain tumor, spinal cord tumor, craniopharyngioma and pineoblastoma.
Disease
Radiation sickness
Read about what happens when someone is exposed to high doses of radiation, and what you can do to prevent such exposure in an emergency.
Disease
Cluster headache
These painful headaches cause severe pain on one side of the head and tend to occur in bouts called cluster periods.
Disease
Immune thrombocytopenia (ITP)
Caused by low levels of platelets, symptoms may include purple bruises called purpura, as well as tiny reddish-purple dots that look like a rash.
Disease
Patellofemoral pain syndrome
This pain near the front of the knee is more common in people who run and who play sports that involve running and jumping.
Disease
Pericarditis
Inflammation of the tissue surrounding the heart can cause sharp chest pain and other symptoms. Know how pericarditis is diagnosed and treated.
Disease
Multiple endocrine neoplasia, type 2 (MEN 2)
Learn about this rare condition that causes tumors and overproduction of hormones.
Disease
Amyotrophic lateral sclerosis (ALS)
This nervous system disease, also known as Lou Gehrig's disease, destroys nerve cells and gets worse over time.
Disease
Ulcerative colitis
This type of inflammatory bowel disease causes swelling and sores in the digestive tract. Learn more about symptoms, treatment and managing flares.
Disease
Iron deficiency anemia
Not getting enough iron can lead to this condition, which can cause tiredness and shortness of breath.