Amoebic dysentery (intestinal form/involving the intestine).
Infectious and parasitic diseases (A00-B99).
- Acute infectious gastroenteritis (gastrointestinal flu), e.g., rotavirus infection
- Campylobacter infection – Campylobacter are the most common bacterial pathogens of vomiting diarrhea.
- Escheria coli infection – bacterial gastroenteritis (gastroenteritis).
- Giardiasis – disease caused by the flagellate Giardia intestinalis (genotype A and B).
- Hookworm disease
- Lamblia-induced diarrhea – diarrheal disease caused by the protozoan Giardia lamblia.
- Legionellosis – infectious disease caused by the bacterium Legionella pneumophila, usually occurring in late summer and autumn; symptoms are mainly pneumonia (inflammation of the lungs).
- Listeriosis – infectious disease caused by the bacterium Listeria monocytogenes and manifests itself mainly in weakened immune systems.
- Opportunistic infection in HIV or other immunosuppressive diseases.
- Pseudomembranous enterocolitis/pseudomembranous colitis – inflammation of the intestinal mucosa that usually occurs after taking antibiotics; the cause is an overgrowth of the intestine with the bacterium Clostridium difficile.
- Salmonella infection (salmonella gastroenteritis).
- Toxic-shock syndromes – serious infectious disease caused by the enterotoxin of the bacterium Staphylococcus aureus; it has been observed mainly in the use of tampons, but also after surgical wound infections.
- Viral hepatitis (inflammation of the liver).
- Viral infection – especially with rotavirus.
Mouth, esophagus (food pipe), stomach, and intestines (K00-K67; K90-K93).
- Ulcerative colitis – chronic inflammatory bowel disease (colon and rectum).
- Whipple’s disease – rare systemic infectious disease; caused by the gram-positive rod bacterium Tropheryma whippelii (from the actinomycete group), which can affect various other organ systems in addition to the obligately affected intestinal system and is a chronic recurrent disease; symptoms: Fever, arthralgia (joint pain), brain dysfunction, weight loss, diarrhea (diarrhea), abdominal pain (abdominal pain), and more.
- See also under differential diagnoses of diarrhea.
Amoebic liver abscess (extraintestinal form/outside the intestine).
Infectious and parasitic diseases (A00-B99).
- Schistosomiasis – worm disease (tropical infectious disease) caused by trematodes (sucking worms) of the genus Schistosoma (couple flukes).
- Echinococcus cyst – tissue cavity caused by a fox tapeworm.
Liver, gallbladder and bile ducts – pancreas (pancreas) (K70-K77; K80-K87).
- Bacterial liver abscess
- Hepatitides (inflammation of the liver)
- Congenital (congenital) liver cyst
