Carcinoid tumors

Carcinoid tumors are rare, slow-growing cancerous tumors that most often occur in the gastrointestinal tract or in the lungs.

Colon cancer

Colon cancer and rectal cancer combined are the second-leading cause of cancer-related deaths in the United States. Regular screening tests can help reduce your risk.

Colon polyps



Though uncomfortable and sometimes embarrassing, hemorrhoids — and the accompanying itching and bleeding — are common. Effective treatments are available and mostly involve lifestyle and home remedies.


Plague is a disease carried by rats and other rodents. The risk of developing plague is low, and most cases occur in Africa.


Solitary rectal ulcer syndrome

Solitary rectal ulcer syndrome, a rare condition, may be caused by chronic constipation. Dietary changes may help mild cases.

Symptom Checker

Foot pain? Headache? Sore throat? Skin rash? Use the Symptom Checker to find out what's causing your symptom.

Ulcerative colitis

Sept. 03, 2014