Conditions list medically reviewed by George Krucik, MD, MBA
Appendicitis is inflammation of the appendix. Here's what it feels like, what causes it, and what tests to expect at your doctor's office.
Cellulitis is a common bacterial skin infection. Cellulitis may first appear as a red, swollen area that feels hot and tender to the touch.
A cold is a common viral infection of the upper respiratory tract–namely, your nose and throat. A runny or stuffy nose, sneezing, coughing, and sore throat are common…
Common colds and influenza are contagious infections that affect the respiratory system. Both are airborne illnesses, spread through coughing and sneezing. Shared…
Acute bronchitis causes coughs that produce mucus. You don't need antibiotics, but bed rest and home care can help.
Dengue fever is a disease that affects much of the tropical region and is caused by one of four dengue viruses. A skin rash between two and five days after the initial…
Food poisoning occurs when you consume foods contaminated with bacteria, viruses, or parasites. Symptoms are usually uncomfortable but not severe.
Non-Hodgkin's lymphoma (NHL) is a cancer of the lymphatic system that occurs when tumors develop from the lymphocytes, which are a type of white blood cell.
There are two main types of lung cancer: non-small cell and small-cell. Learn about how these lung cancers are caused, your treatment options, and more.
Gallstones can block your bile duct and cause abdominal pain. Learn how to recognize the symptoms and what the treatment options are.
Damage to the liver from excessive drinking can lead to ARLD. Years of alcohol abuse cause the liver to become inflamed and swollen.
Learn about different types and treatments of urinary tract infections, the risk factors, and prevention for both men and women.
A sinus infection, or sinusitis, is a common condition that affects 30 million people in the United States each year, according to the National Institute of Allergy and…
Pneumonia is an infection of the lungs caused by fungi, bacteria, or viruses. General symptoms include chest pain, fever, cough, and trouble breathing.
Chronic fatigue syndrome (CFS) is a debilitating disorder characterized by extreme tiredness that can't be explained by an underlying medical condition.
Viral gastroenteritis, also known as the stomach flu, is caused by a number of different viruses. Its symptoms usually last for two to three days.
Infectious mononucleosis, or mono, refers to a group of symptoms usually caused by the Epstein-Barr virus (EBV).
Acute pyelonephritis is a severe, sudden, and potentially life threatening infection of the kidneys. Moist skin and chills are possible signs of this condition.
Crohn's is a chronic bowel disease that causes inflammation of your digestive tract. Learn more about treatment and prevention.
Are your cold symptoms lasting longer than a week? Do you have walking pneumonia? Learn how to treat and prevent this condition.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.