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 …
Leprosy: Symptoms, Causes and transmission, Types, Diagnosis, Treatment, Complications, Prevention, Outlook
What is Leprosy?
Leprosy is a chronic, progressive bacterial infection caused by the bacterium Mycobacterium leprae. It primarily affects the nerves of the extremities, …
Allergies: Symptoms, Causes, Treatments, Diagnosis, Prevention
What is Allergy?
An allergy is an immune system response to a foreign substance that’s not typically harmful to your body. These foreign substances are …
Addisonian Crisis (Acute Adrenal Crisis): Symptoms, Causes, Risk factors, Diagnosis, Treatments, Outlook
What is Addisonian Crisis (Acute Adrenal Crisis)?
When you’re stressed, your adrenal glands, which sit atop the kidneys, produce a hormone called cortisol. Cortisol helps …
Diabetes Insipidus: Symptoms, Causes, Types, Diagnosis, Treatment, Outlook
What is Diabetes Insipidus?
Diabetes insipidus (DI) is a rare condition that occurs when your kidneys are not able to conserve water. DI is not …
Septicemia: Causes, Symptoms, Complications, Diagnosis, Treatment, Prevention, Outlook
What is Septicemia?
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: Causes, Symptoms, Diagnosis, Complications, Treatment, Prevention, Outlook
What is Intracerebral Hemorrhage?
Intracerebral hemorrhage (ICH) is when blood suddenly bursts into brain tissue, causing damage to your brain.
Symptoms usually appear suddenly during …
Optic Neuritis: Risk factors, Causes, Symptoms, Diagnosis, Treatments, Outlook
What is Optic Neuritis?
The optic nerve carries visual information from your eye to your brain. Optic neuritis (ON) is when your optic nerve becomes …
Macular Degeneration: Types, Symptoms, Causes, Diagnosis, Complications, Treatments, Prevention
What is Macular Degeneration?
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: Symptoms, Causes, Prevalence and risk factors, Treatment, Prevention, Long-term outcome
What is Reye’s Syndrome?
Reye’s syndrome is a rare disorder that causes brain and liver damage. Reye’s syndrome usually occurs in children who have had …
Alcoholism: Causes, Risk factors, Symptoms, Self-test, Diagnosis, Treatment, Outlook, Prevention
What is Alcoholism?
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: Causes, Symptoms, Diagnosis, Treatment, Complications, Outlook
What is Guillain-Barré Syndrome?
Guillain-Barré syndrome is a rare but serious autoimmune disorder in which the immune system attacks healthy nerve cells in your peripheral …
Birth Defects: Causes, Risk factors, Types, Diagnosis, Treatment, Prevention
What is Birth Defects?
A birth defect is a problem that occurs when a baby is developing in utero (in the womb). Approximately 1 out …
Intracranial Hemorrhage: Types, Risk factors, Symptoms, Diagnosis, Treatments, Complications, Prevention, Outlook
What is Intracranial Hemorrhage?
Intracranial hemorrhage (ICH) refers to acute bleeding inside your skull or brain. It’s a life-threatening emergency. You should go to the …
Pyogenic Liver Abscess: Causes, Symptoms, Diagnosis, Treatments, Complications, Outlook
What is Pyogenic Liver Abscess?
A pyogenic liver abscess (PLA) is a pocket of pus that forms in the liver due to a bacterial infection. …
Allergic Conjunctivitis: Types, Causes, Risk factors, Symptoms, Diagnosis, Treatment, The long term, Prevention
What is Allergic Conjunctivitis?
When your eyes are exposed to substances like pollenor mold spores, they may become red, itchy, and watery. These are symptoms …
Polyarteritis Nodosa: Symptoms, Causes, Risk Factors, Diagnosis, Treatments, Complications, Outlook
What is Polyarteritis Nodosa?
Polyarteritis nodosa (PAN) is a condition that causes swollen arteries. It primarily affects small and medium arteries, which can become inflamed …
Glaucoma: Symptoms, Causes, Types, Risk Factors, Diagnosis, Treatments, Outlook, Prevention
What is Glaucoma?
Glaucoma is an eye disease that can damage your optic nerve. The optic nerve supplies visual information to your brain from your …
Isopropyl Alcohol Poisoning: Symptoms, Causes, Diagnosis, Treatment, Prevention, Emergency
What is Isopropyl Alcohol Poisoning?
Isopropyl alcohol (IPA), also referred to as isopropanol, is a chemical that’s commonly found in rubbing alcohol, hand sanitizers, and …
Hammer Toe: Causes, Risk factors, Symptoms, Diagnosis, Treatment, Prevention, Outlook
What is Hammer Toe?
A hammer toe is a deformity that causes your toe to bend or curl downward instead of pointing forward. This deformity …