Bumps on skin

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] ; Associate Editor(s)-in-Chief: Raviteja Guddeti, M.B.B.S.[2]

Overview

Complete Differential Diagnosis of the Causes of Bumps on skin

(By organ system)

Cardiovascular	No underlying causes
Chemical / poisoning	No underlying causes
Dermatologic	No underlying causes
Drug Side Effect	Etanercept , Methotrexate-associated lymphoproliferative disorders, Steroid abuse
Ear Nose Throat	Davenport-Donlan syndrome
Endocrine	Insulin-resistance syndrome type A
Environmental	Heat rash, Sun spots, Temperature-related eczema
Gastroenterologic	Gastrointestinal Basidiobolomycosis, Primary biliary cirrhosis
Genetic	Congenital hypotrichosis milia, Cowden's syndrome, Familial Eosinophilic Cellulitis, Guizar-Vasquez-Luengas syndrome, Hereditary hemorrhagic telangiectasis, Incontinentia Pigmenti, Jadassohn-Lewandowsky syndrome, Lewandowsky-Lutz dysplasia, Metachondromatosis, Multiple fibrofolliculoma familial, Puretic syndrome, Roch-Leri mesosomatous lipomatosis
Hematologic	Anaplastic large cell lymphoma, Anaplastic small cell lymphoma, Body skin hyperlaxity due to vitamin K-dependent coagulation factor deficiency, Cutaneous mastocytosis, Eosinophilic pustular folliculitis, Mastocytosis - skin bumps, Multicentric reticulohistiocytosis, Primary cutaneous CD30-positive T-cell lymphoproliferative disorders, Primary Lymphatic Obstruction, Secondary Lymphatic Obstruction, T-cell lymphoma 1A
Iatrogenic	No underlying causes
Infectious Disease	Bacteria: Abscess, Cutaneous Anthrax, Gianotti-Crosti Syndrome, Leprosy, MRSA, Mycobacterium abscessus, Mycobacterium haemophilum, Pyoderma Gangrenosum, Pyogenic granuloma, Pinta, Scarlet Fever, Syphilis, Yaws Virus: Condyloma, Genital herpes, HIV related skin conditions, Human Papillomavirus, Mansonella streptocerca infection, Molluscum Contagiosum Fungi: Tinea Parasites: Cysticercosis, Demodicidosis, Paragonimiases, River Blindness, Sporotrichosis, Trichosporon, Scabies
Musculoskeletal / Ortho	No underlying causes
Neurologic	Neurofibromatosis, Neurofibromatosis-Noonan syndrome, Tuberous sclerosis
Nutritional / Metabolic	No underlying causes
Obstetric/Gynecologic	No underlying causes
Oncologic	No underlying causes
Opthalmologic	Cataract, alopecia, sclerodactyly
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	No underlying causes
Urologic	No underlying causes
Dental	No underlying causes
Miscellaneous	No underlying causes