What is Pneumonia?
Pneumonia is an infection in any or both of the lungs. It may be caused by viruses, bacteria, or fungi. Bacterial pneumonia …
Health Conditions and Treatments
Pneumonia is an infection in any or both of the lungs. It may be caused by viruses, bacteria, or fungi. Bacterial pneumonia …
Leprosy is a chronic, progressive bacterial infection caused by the bacterium Mycobacterium leprae. It primarily affects the nerves of the extremities, …
An allergy is an immune system response to a foreign substance that’s not typically harmful to your body. These foreign substances are …
When you’re stressed, your adrenal glands, which sit atop the kidneys, produce a hormone called cortisol. Cortisol helps …
Diabetes insipidus (DI) is a rare condition that occurs when your kidneys are not able to conserve water. DI is not …
Septicemia is a serious bloodstream infection. It’s also known as blood poisoning.
Septicemia occurs when a bacterial infection elsewhere in the body, …
Intracerebral hemorrhage (ICH) is when blood suddenly bursts into brain tissue, causing damage to your brain.
Symptoms usually appear suddenly during …
The optic nerve carries visual information from your eye to your brain. Optic neuritis (ON) is when your optic nerve becomes …
Macular degeneration is a common eye disorder that causes central vision loss. Your central vision is what you see when you’re …
Reye’s syndrome is a rare disorder that causes brain and liver damage. Reye’s syndrome usually occurs in children who have had …
Alcoholism has been known by a variety of terms, including alcohol abuse and alcohol dependence. Today, it’s referred to as alcohol use …
Guillain-Barré syndrome is a rare but serious autoimmune disorder in which the immune system attacks healthy nerve cells in your peripheral …
A birth defect is a problem that occurs when a baby is developing in utero (in the womb). Approximately 1 out …
Intracranial hemorrhage (ICH) refers to acute bleeding inside your skull or brain. It’s a life-threatening emergency. You should go to the …
A pyogenic liver abscess (PLA) is a pocket of pus that forms in the liver due to a bacterial infection. …
When your eyes are exposed to substances like pollenor mold spores, they may become red, itchy, and watery. These are symptoms …
Polyarteritis nodosa (PAN) is a condition that causes swollen arteries. It primarily affects small and medium arteries, which can become inflamed …
Glaucoma is an eye disease that can damage your optic nerve. The optic nerve supplies visual information to your brain from your …
Isopropyl alcohol (IPA), also referred to as isopropanol, is a chemical that’s commonly found in rubbing alcohol, hand sanitizers, and …
A hammer toe is a deformity that causes your toe to bend or curl downward instead of pointing forward. This deformity …