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Causes

Common Causes

• Campylobacter jejuni

• Cryptosporidiosis
• Dysentery
• Entamoeba histolytica
• Enterotoxigenic Escherichia coli
• Escherichia coli
• Giardia lamblia
• Rotavirus
• Salmonella
• Shigellosis
• Staphylococcus aureus
• Vibrio parahaemolyticus
• Viral haemorrhagic fever
• Visceral leishmaniasis
• Yersinia enterocolitica

Causes by Organ System

Cardiovascular	No underlying causes
Chemical / poisoning	No underlying causes
Dermatologic	Lichen planus (oral), linear immunoglobulin A dermatosis, pemphigus
Drug Side Effect	Acitretin , Aspirin, Bevacizumab Injection , Cholestyramine Resin , Clofarabine Injection , Co-codamol, Colestipol, Coumatetralyl, Cyclosporine, Cytotoxic chemotherapy, Efalizumab Injection, Heparin Injection , Itraconazole , Mercury(II) chloride poisoning, Methotrexate, Mycophenolate , Pamidronate injection , Paracetamol, Phenytoin (oral), Pregabalin , Protiodide, Venlafaxine, Zoledronic Acid Injection
Ear Nose Throat	Dry mouth, vincent's angina
Endocrine	No underlying causes
Environmental	Diabetes, progesterone, arsenic poisoning, bothrops venom, radium jaw
Gastroenterologic	No underlying causes
Genetic	Haemophillia, hereditary hemorrhagic telangiectasias
Hematologic	Aplastic anemia, essential thrombocytosis, idiopathic thrombocytopenic purpura, lead poisoning, thrombocytopenia, vitamin K deficiency, von willebrand 's disease, waldenstrom macroglobulinemia,
Iatrogenic	No underlying causes
Infectious Disease	Bolivian hemorrhagic fever, Ebola hemorrhagic fever, Ehrlichiosis (canine), Herpes simplex virus, Rift valley fever
Musculoskeletal / Ortho	No underlying causes
Neurologic	Tuberous sclerosis
Nutritional / Metabolic	Scurvy
Obstetric/Gynecologic	Pregnancy
Oncologic	Acute myeloid leukemia, kaposi's sarcoma, Oral cancer
Opthalmologic	No underlying causes
Overdose / Toxicity	Chronic alcoholism
Psychiatric	Stress
Pulmonary	No underlying causes
Renal / Electrolyte	No underlying causes
Rheum / Immune / Allergy	Systemic lupus erythromatosus
Sexual	Fellatio
Trauma	No underlying causes
Urologic	No underlying causes
Dental	Dental implant, epulis, extraction (dental), gingivitis, ludwig's angina, periodontitis, poor oral hygiene, rough teeth brushing, wisdom teeth
Miscellaneous	Body piercing, MMR vaccine

Causes in Alphabetical Order

Abetalipoproteinaemia Acrodermatitis enteropathica Adenovirus Arsenicals Autoimmune adrenalitis Autonomic neuropathy Bacillary dysentery Bacillus cereus Bacterial overgrowth of small intestine Balantidiasis Bile acid malabsorption syndrome Brainerd diarrhea Campylobacter jejuni Capillaria Carbon monoxide toxicity Celiac disease Cholestatic jaundice Clostridium welchii Collagenous colitis Colonic villous adenomata Colorectal cancer Complement 5 deficiency Copper salts Crohn disease Cryptosporidiosis Cyclospora cayetanensis Cyclosporiasis Cytomegalovirus Degos' disease Dengue fever Dientamoeba fragilis Dysentery Entamoeba histolytica Enterotoxigenic Escherichia coli Escherichia coli Ethylmalonic encephalopathy Faecal impaction Faecal incontinence Functional disorders Gangrene Giardia lamblia Glucagonoma Graft versus host disease Hirschsprung disease HIV-1 disease Hymenolepiasis Hyperthyroidism Iduronate-2-sulfatase deficiency Intususception of intestine Irritable bowel syndrome Isosporiasis Kawasaki disease Kwashiorkor

Lactase deficiency Large bowel obstruction Laxative abuse Legionella pneumophila Lymphocytic colitis Magnesium salts Malabsorption syndrome Malakoplakia Meckel diverticulitis Mercury Microsporidiasis Nausea and vomiting Organophosphates Pancreatitis, chronic Paraquat Pellagra Penicillium marneffei Pernicious anaemia Pneumatosis cystoides intestinalis Postgastrectomy syndrome Protein losing enteropathy Pseudomembranous colitis Rapadlino syndrome Rotavirus Salmonella Sapporo-like virus Selenium Severe acute respiratory syndrome Shigellosis Short bowel syndrome Small bowel lymphoma Small round structured virus Somatostatinoma Staphylococcal toxic shock syndrome Staphylococcus aureus Streptococcus suis Strongyloidiasis Sucrase-isomaltase deficiency Superior mesenteric artery occlusion Systemic sclerosis Thallium Trichinella spiralis Trichuriasis Tropical sprue Typhoid fever Ulcerative colitis Vibrio parahaemolyticus Viral haemorrhagic fever Visceral leishmaniasis Vitamin B12 deficiency Whipple disease Yersinia enterocolitica Zinc deficiency