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Digestive system conditions

microscopy of liver,H&E stain, showing evidence of Alcoholic Hepatitis: fatty change, cell necrosis, Mallory bodies:image from PEIR - University of Alabama at Birmingham Department of Pathol Digestive system

Alcoholic liver disease

Non-infectious · Chronic

Liver damage caused by drinking too much alcohol over time, progressing from fatty liver to hepatitis and cirrhosis.

10 min read
A wife asking her drunkard husband 'Ah! Digestive system

Alcohol use disorder

Non-infectious · Chronic

A medical condition in which a person has difficulty controlling their drinking despite harm to their health, relationships or responsibilities.

10 min read
Photomicrograph of a liver biopsy from a patient with alpha-1 antitrypsin deficiency Respiratory system

Alpha-1 antitrypsin deficiency

Non-infectious · Chronic

An inherited condition in which low levels of a protective protein lead to lung damage (emphysema) and sometimes liver disease.

6 min read
High magnification micrograph of amebiasis Digestive system

Amoebiasis

Infectious · Acute

An intestinal infection with the parasite Entamoeba histolytica, causing diarrhoea, dysentery and sometimes liver abscess.

5 min read
Diagram showing stage 1 anal cancer Digestive system

Anal cancer

Non-infectious · Chronic

A rare cancer that starts in the tissues of the anus, most often linked to human papillomavirus (HPV) infection.

5 min read
geomed Digestive system

Anal fissure

Non-infectious · Acute or chronic

A small tear in the lining of the anus that causes sharp pain and bleeding when passing stools.

5 min read
Fistula diag Digestive system

Anal fistula

Non-infectious · Chronic

A small tunnel between the inside of the anus and the skin near it, usually after an anal abscess.

6 min read
Anal condyloma Digestive system

Anal warts

Infectious · Chronic

Small growths in and around the anus caused by the human papillomavirus (HPV), usually spread through sexual contact.

5 min read
Anisakis simplex in a characteristic "watch-spring coil" shape Digestive system

Anisakiasis

Infectious · Acute

A parasitic infection caused by eating raw or undercooked fish or squid containing Anisakis worm larvae.

5 min read
3D medical animation still showing an inflammation of the appendix Digestive system

Appendicitis

Non-infectious · Acute

Inflammation of the appendix, a small pouch attached to the large bowel, which usually causes worsening pain in the lower right abdomen.

5 min read
Low radioactive barium is swallowed as contrast medium for the X-ray film Digestive system

Ascariasis

Infectious · Acute

An infection with the large roundworm Ascaris lumbricoides, caught by swallowing eggs from soil contaminated with human faeces.

6 min read
Very high magnification micrograph of autoimmune hepatitis Digestive system

Autoimmune hepatitis

Non-infectious · Chronic

A long-term liver disease in which the immune system attacks liver cells, causing inflammation that can lead to cirrhosis if untreated.

5 min read
Digestive system

Avoidant restrictive food intake disorder (ARFID)

Non-infectious · Chronic

An eating disorder in which a person avoids or restricts food because of sensory sensitivity, fear of choking or vomiting, or low interest in eating, not because of body image.

6 min read