Conditions list medically reviewed by George Krucik, MD, MBA
Food poisoning occurs when you consume foods contaminated with bacteria, viruses, or parasites. Symptoms are usually uncomfortable but not severe.
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.
Bacterial infections are common causes of gastrointestinal infections. This type of infection is also called "food poisoning" and is often caused by poor hygiene or…
Are your cold symptoms lasting longer than a week? Do you have walking pneumonia? Learn how to treat and prevent this condition.
Diverticulitis occurs when the bulging sacs that appear in the lining of your large intestine, or colon, get acutely infected, or inflamed. Symptoms include sudden…
Swine flu, or H1N1, is highly contagious and can spread quickly from person to person. A simple sneeze may cause thousands of germs to spread through the air.
If left untreated, HIV can lead to AIDS. AIDS weakens your immune system to the point where it can no longer fight off disease and infection. Learn more.
Salmonella food poisoning is one of the most common types of food poisoning. The Salmonella bacteria live in the intestines of humans and animals.
Legionnaires' disease is a severe type of pneumonia, or lung infection. Learn about its symptoms, causes, treatment, and prevention.
Cystic fibrosis causes severe damage to the respiratory and digestive systems. Learn about its symptoms, causes, diagnosis, and treatment.
Toxic shock syndrome is a rare but serious condition caused by a bacterial infection. Read more about its causes and symptoms and when to see a doctor.
Severe acute respiratory syndrome (SARS) is a serious form of viral pneumonia. The virus that causes SARS was first identified in 2003.
The plague is a serious bacterial infection that can be deadly. It's caused by poor sanitation, overcrowding, and large rodent populations.
Weil's disease is a severe form of the bacterial infection leptospirosis. Learn how to lower your risk of getting this potentially life-threatening illness.
Q fever is an infection caused by the bacteria Coxiella burnetii. The bacteria are most commonly found in cattle, sheep, and goats.
This feature is for informational purposes only and should not be used to diagnose. Please consult a healthcare professional if you have health concerns.