Alcoholic Hepatitis

ABNORMAL NORMAL ALSO KNOWN AS Alcoholic liver disease DESCRIPTION * This occurs after periods of long-term Consumption of ethanol (alcohol),...

Alcoholic Liver Disease

ALSO KNOWN AS Alcoholic Hepatitis DESCRIPTION * This occurs after periods of long-term Consumption of ethanol (alcohol), an agent toxic to t...

Alcoholism

DESCRIPTION * Alcoholism can have three components. The primary one is alcohol addiction (inability to discontinue drinking). The second is ...

Allergic Conjunctivitis

ALSO KNOWN AS Pink eye, red eye, or conjunctivitis DESCRIPTION * Conjunctivitis is a condition in which the white part of the eye becomes in...

Allergic Contact Dermatitis

ALSO KNOWN AS Contact dermatitis DESCRIPTIONS * This is an allergic reaction of the skin. It is caused by contact of the skin with substance...

Allergic Dermatitis

DESCRIPTIONS * A condition characterized by dry itchy skin * Likely a genetic relationship * Multiple environmental factors (i.e., food, clo...

Allergic Reaction

DESCRIPTION * Allergic reactions can occur in response to many foods, cosmetics, drugs, and environmental triggers. * Reactions can occur wi...

Allergic Rhinitis

ABNORMAL NORMAL ALSO KNOWN AS Hay fever DESCRIPTION * Inhaled allergens (materials that are foreign to the body) such as pollens, molds, or ...

Allergic Rhinitis

ALSO KNOWN AS Hay fever DESCRIPTION * Inhaled allergens (materials that are foreign to the body) such as pollens, molds, or dust trigger an ...

Allergic Tubulointerstitial Nephritis

DESCRIPTION * The kidney tissue becomes inflamed due to an allergic reaction. This allergic reaction can occur from medications, infections,...

Allergies to Air Conditioners

DESCRIPTION * Some people notice increased allergy problems in air-conditioned environments. The most likely cause is that the air filter in...

Allergies to Drugs

DESCRIPTION * When the body's immune system reacts adversely to medication, it can exhibit an allergic (rejection) reaction. Any medicat...

Alopecia Areata

DESCRIPTION * Alopecia areata causes development of bald patches on the scalp. Although it is a relatively uncommon cause of hair loss in ch...

Alport's Syndrome

DESCRIPTION * Alport's syndrome is a common cause of hematuria (blood in the urine). It is responsible for about 15% of childhood cases ...

Alveolar Hemorrhage Syndromes

DESCRIPTION * Alveoli are the tiny air sacs in the lung where oxygen is brought into the blood and carbon dioxide is released. Many diseases...

Amaurosis Fugax

ALSO KNOWN AS Fleeting blindness DESCRIPTION * Emboli (blood clots) travel from the carotid artery (near the heart) to the retinal arteries,...

NORMAL ABNORMAL DESCRIPTION * This is an Abscess (walled area of infection/pus) in the liver that is caused by the organism Entamoeba histol...

Amphetamine Abuse

ALSO KNOWN AS "Cat", "crystal", "speed", "bennies", "ups", "jollies", "uppe...

Amphetamine-cocaine Abuse

ALSO KNOWN AS * Some of the common street names for cocaine include "big C", "blow", "nose candy", "coke...

Amyloidosis

DESCRIPTION * Amyloidosis is a condition in which amyloids, i.e., protein fibrils (minute fibers) not normally present in the body, become d...

Anaerobic Infections

ALSO KNOWN AS Gas gangrene, clostridial myonecrosis, or necrotizing infections DESCRIPTION * This disease is caused when the bacteria in the...

Anaerobic Pneumonia

ABNORMAL NORMAL ALSO KNOWN AS Lung abscess DESCRIPTION * Anaerobes are bacteria that live where there is no oxygen. A lung Abscess is a coll...

Anal Abscess

ALSO KNOWN AS Anorectal abscess, perianal abscess, or rectal abscess DESCRIPTION * Stool formed in the colon or large intestine empties into...

Anal Cancer

ABNORMAL NORMAL DESCRIPTION * This is a tumor in the anal canal, specifically, squamous cell (a specific cellular type) carcinoma of the anu...

Anal Fissures

DESCRIPTION * This is a cut (ulcer or laceration) inside the anus. The usual cause is Trauma to the anus because of a strained bowel movemen...

Anal Fissures

Abnormal Normal DESCRIPTIONS * This is a cut (ulcer or Laceration) inside the anus. The usual cause is trauma to the anus because of a strai...

Anaphylaxis

DESCRIPTION * Anaphylaxis is a severe generalized allergic reaction characterized by widespread dilation of the blood vessels of the body, r...

Anaplastic Thyroid Cancer

DESCRIPTION * Anaplastic thyroid carcinoma is the least common type of Thyroid Cancer of the ones that begin in the gland itself. This is a ...

Anemias

DESCRIPTION * Oxygen is carried to the body's tissues predominantly by red blood cells. There is a near-constant level of blood cells th...

Angiodysplasia

ALSO KNOWN AS Vascular ectasias DESCRIPTION * It is theorized that veins in the colon become damaged over time. This causes capillaries to d...

Angioedema

ALSO KNOWN AS Angioneurotic edema DESCRIPTION * This is a syndrome of swelling in the deep layers of the skin. Lip swelling is usually promi...

Angioneurotic Edema

ALSO KNOWN AS Angioedema DESCRIPTION * This is a syndrome of swelling in the deep layers of the skin. Lip swelling is usually prominent. It ...

How Stress Affects Our Bodies

What is Stress? Stress is the body's natural response to intense situations that require some action on the part of the individual. Some...