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, Human Papillomavirus, Mansonella streptocerca infection, Molluscum Contagiosum Fungi: Tinea Parasites: Cysticercosis, Demodicidosis, Paragonimiasis, River blindness, Sporotrichosis, Trichosporon, Scabies
Musculoskeletal / Ortho	Dermatomyositis, Mixed sclerosing bone dystrophy, MSBD syndrome, Multicentric osteolysis -- nodulosis -- arthropathy, Nodulosis-arthropathy-osteolysis syndrome, Palindromic rheumatism
Neurologic	Neurofibromatosis, Neurofibromatosis-Noonan syndrome, Tuberous sclerosis
Nutritional / Metabolic	Fucosidosis type II
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	Autosensitization dermatitis, Bubble bath allergy, Cercarial dermatitis, Contact Dermatitis, Gout, Irritant contact eczema, Limited cutaneous systemic sclerosis, Pemphigus and fogo selvagem, Rheumatoid Arthritis, Seronegative arthritis, Soap allergy, Sunscreen allergy
Sexual	No underlying causes
Trauma	No underlying causes
Urologic	No underlying causes
Dental	No underlying causes
Miscellaneous	Boil, Cavernous hemangioma, Cysts, Enlarged Lymph Nodes, Erucism, Hemangioma, Hyperplasia, Insect Sting Allergies, Keloid, Lepidopterism, Leprosy-like acne skin symptoms, Lipoid proteinosis of Urbach and Wiethe, Lipoma, Lubarsch-Pick syndrome, Lymphatic Obstruction, Lymphomatoid Granulomatosis, Neurofibroma, Orf, Polymorphic Light Eruption, Port wine stain, Pseudoxanthoma elasticum, Rash, Recurring Boil, Rombo syndrome, Spider nevi, Splinters or Other Foreign Bodies, Strawberry nevi, Stress-related eczema