Rectal bleeding causes

Complete Differential Diagnosis of the Causes of Rectal bleeding

(By organ system)

Cardiovascular	Angiodysplasia, Ischaemic colitis, Osler-Weber-Rendu syndrome
Chemical / poisoning	No underlying causes
Dermatologic	No underlying causes
Drug Side Effect	Clopidogrel, Ampicillin induced colitis, C.difficile induced colitis, Cephalosporin induced colitis, Clindamycin induced colitis, Fluoroquinolone induced colitis, Warfarin
Ear Nose Throat	No underlying causes
Endocrine	No underlying causes
Environmental	No underlying causes
Gastroenterologic	Carney's syndrome, Hereditary hemorrhagic telangiectasia, Radiation telangiectasia, Hemolytic uremic syndrome, Angiodysplasia, Ischaemic colitis, Osler-Weber-Rendu syndrome, Ampicillin induced colitis, C.difficile induced colitis, Cephalosporin induced colitis, Clindamycin induced colitis, Fluoroquinolone induced colitis, Familial adenomatous polyposis, Gastrointestinal duplication, Hirschsprung disease, Lymphonodular hyperplasia, Post biopsy, Postpolypectomy, Radiation therapy, Infectious colitis, Allergic colitis, Campylobacter colitis, Campylobacter induced diarrhoea, E.coli induced diarrhoea, Salmonella colitis, Salmonellosis, Shigella colitis, Shigellosis, Yersinia induced diarrhoea, Amoebic colitis, CMV colitis, Anal cancer, [Anal fiisure]], Colon cancer, Colon polyp, Constipation, Crohns disease, Diarrhoea, Diverticluosis, Diverticulitis, Dysenter, , Esophageal varices, Esophagitis, Fistula in ano, Food poisoning , Gastritis, Gastroenteritis, Gastrointestinal stromal tumors, Haemmorhoids, Intusseception, Malrotation of gut, Meckel's diverticula, Nectrotizing enterocoloitis, Peptic ulcer disease, Perforated peptic ulcer, Proctitis, Pseudomembranous colitis, Rectal prolapse, Solitary rectal ulcer syndrome, Stercoral ulcers, Stomach cancer, Typhilitis, Ulcerative colitis, Volvulus
Genetic	No underlying causes
Hematologic	Warfarin, Coagulopathy, Hemophilia, Henoch-Schonlein purpura, Idiopathic thrombocytopenic purpura, Von Wilibrand's disease
Iatrogenic	No underlying causes
Infectious Disease	Bacterial: Viral: Yellow fever Fungal: Parasite:
Musculoskeletal / Ortho	No underlying causes
Neurologic	No underlying causes
Nutritional / Metabolic	No underlying causes
Obstetric/Gynecologic	Swallowed maternal blood
Oncologic	No underlying causes
Opthalmologic	No underlying causes
Overdose / Toxicity	No underlying causes
Psychiatric	No underlying causes
Pulmonary	No underlying causes
Renal / Electrolyte	No underlying causes
Rheum / Immune / Allergy	No underlying causes
Sexual	No underlying causes
Trauma	Sexual abuse, Anal intercourse
Urologic	No underlying causes
Dental	No underlying causes
Miscellaneous	No underlying causes