Sandbox

Causes

Common Causes

• Acute myeloid leukemia

• Dental implant

• Gingivitis

• Haemophillia

• Heparin Injection

• Idiopathic thrombocytopenic purpura

• Pregnancy

• Rough teeth brushing

• Scurvy

• Vitamin K deficiency

• Von willebrand 's disease

Causes by Organ System

Cardiovascular	Marfan syndrome, diabetic autonomic neuropathy, Pickwickian syndrome, floppy eyelid syndrome, hypothyroidism, Klippel-Feil syndrome,
Chemical / poisoning
Dermatologic
Drug Side Effect
Ear Nose Throat	Hurler syndrome, osteopetrosis, Beckwith-Wiedemann syndrome, achondroplasia, Apert syndrome,
Endocrine	acromegaly,
Environmental	sudden infant death syndrome,
Gastroenterologic	Werdnig-Hoffman disease, Hunter syndrome, amyotrophic lateral sclerosis, Brun's syndrome,
Genetic	Crouzon syndrome, Joubert syndrome, Prader-Willi syndrome,
Hematologic	Gaucher's disease,
Iatrogenic	No underlying causes
Infectious Disease
Musculoskeletal / Ortho	pulmonary edema, SADDAN, sickle cell disease, Guillain-Barré syndrome, Rett syndrome,
Neurologic	sleep deprivation, toxidrome, Hallermann-Streiff syndrome, trisomy 13, spinal cord injury, glycine encephalopathy, near drowning,
Nutritional / Metabolic	polycystic ovary syndrome, septicemia, prenatal asphyxia,
Obstetric/Gynecologic
Oncologic
Opthalmologic	leukomalacia,
Overdose / Toxicity
Psychiatric	post-traumatic stress disorder, Down syndrome,
Pulmonary	Arnold-Chiari malformation, brain abscess, aromatic amino acid decarboxylase deficiency , campomelic syndrome, hypertonia, hypotonia , encephalitis, meningitis, meningoencephalitis, myotonic dystrophy, gastroesophageal reflux disease, neonatal anemia,
Renal / Electrolyte	nonarteritic anterior ischemic optic neuropathy, secondary hypertension, shock, end stage renal disease,
Rheum / Immune / Allergy
Sexual
Trauma
Urologic	No underlying causes
Dental	Treacher Collins syndrome,
Miscellaneous

Causes in Alphabetical Order

Acitretin Acute myeloid leukemia Aplastic anemia Arsenic poisoning Aspirin Bevacizumab Injection Body piercing Bolivian hemorrhagic fever Bothrops venom Cholestyramine Resin Chronic alcoholism Clofarabine Injection Co-codamol Colestipol Coumatetralyl Cyclosporine Cytotoxic chemotherapy Dental implant Diabetes Dry mouth Ebola hemorrhagic fever Efalizumab Injection Ehrlichiosis (canine) Epulis Essential thrombocytosis Extraction (dental) Fellatio Gingivitis Haemophillia Heparin Injection Hereditary hemorrhagic telangiectasias Herpes simplex virus Idiopathic thrombocytopenic purpura Itraconazole Kaposi's sarcoma

Lead poisoning Lichen planus (oral) Linear immunoglobulin A dermatosis Ludwig's angina Mercury(II) chloride poisoning Methotrexate MMR vaccine Mycophenolate Oral cancer Pamidronate injection Paracetamol Pemphigus Periodontitis Phenytoin (oral) Poor oral hygiene Pregabalin Pregnancy Progesterone Protiodide Radium jaw Rift valley fever Rough teeth brushing Scurvy Stress Systemic lupus erythromatosus Thrombocytopenia Tuberous sclerosis Venlafaxine Vincent's angina Vitamin K deficiency Von willebrand 's disease Waldenstrom macroglobulinemia Wisdom teeth Zoledronic Acid Injection