Browse our extensive dermatology glossary of terms and conditions.
Glossary includes definitions of conditions and photos for accurate references.
A
- Abscess
- Acanthosis nigricans
- Acariasis
- Acariasis
- Acitretin
- Acne
- Acne conglobata
- Acne due to medicines
- Acne excoriee
- Acne fulminans
- Acne general information
- Acne in pregnancy
- Acne keloidalis nuchae
- Acne necrotica
- Acne rosacea
- Acne vulgaris
- Acne, nodulocystic
- Acrochordons(Skin tags)
- Acrodermatitis enteropathica
- Acromelalgia
- Acropustulosis of infancy
- Actinic cheilitis
- Actinic keratosis
- Actinic purpura
- Acute febrile neutrophilic dermatosis
- Acute generalised exanthematous pustulosis
- Acyclovir
- Adalimumab
- Allergic contact dermatitis
- Alopecia Areata
- Androgenetic alopecia
- Angel's kiss
- Angioedema
- Angiokeratoma
- Angioma
- Angiosarcoma
- Angular cheilitis
- Annular Elastolytic Granuloma
- Aphthous ulcers
- Aplasia cutis congenita
- Argyria
- Arkansas Virtual Skin Cancer Screening
- Arsenic
- Ashy dermatosis
- Asteatosis
- Asteatotic dermatitis
- Ataxia-telangiectasia
- Athlete's foot
- Atopic dermatitis/eczema
- Atopic Dermatitis/Eczema Patient Handout
- Atrophie blanche
- Atypical fibroxanthoma
- Atypical mycobacterial infection
- Atypical nevus
- Auricular pseudocyst
- Avian mite dermatitis
- Azathioprine
B
- Basal cell carcinoma
- Basal cell nevus syndrome
- Bateman's purpura
- Becker's nevus
- Behcet disease
- Benign migratory glossitis
- Benzoyl peroxide
- Biologics
- Bird mite dermatitis
- Bird Mite Infestation
- Blastomycosis
- Blepharitis
- Blue nevus
- Body lice
- Boil
- Botulinum toxin (Botox)
- Bowen disease (non-genital)
- Bowenoid papulosis
- Brachioradial pruritus
- Bromhidrosis
- Bronze diabetes
- Brown recluse
- Bullous pemphigoid
- Burns
C
- Cafe au lait macule
- Calcinosis cutis
- Calciphylaxis
- Calcipotriol
- Callosities
- Calluses
- Campbell de Morgan spots
- Candidiasis of skin folds
- Canker sores
- Cantharidin
- Capillary vascular malformation
- Capsaicin
- Carbuncle
- Carcinoid syndrome
- Carcinoma cuniculatum
- Carotenemia
- Catscratch disease
- Cellulitis
- Chagas disease
- Cheilitis glandularis
- Cheilitis granulomatosa
- Chemical peels
- Cherry angioma
- Chickenpox
- Chiggers
- Chilblains
- Chlamydia trachomatis
- Cholinergic urticaria
- Chondrodermatitis nodularis helicis
- Chromoblastomycosis
- Cicatricial pemphigoid
- Clark's nevus
- Class I histiocytosis
- Class II histiocytosis
- Clavi
- Clavus
- Clear cell acanthoma
- Clindamycin
- Clubbing
- CNH
- Colchicine
- Cold sores
- Cold urticaria
- Collagenoma
- Common Acquired Melanocytic Nevi
- Compound melanocytic nevus
- Condyloma acuminata
- Confluent and reticulated papillomatosis
- Congenital melanocytic nevus
- Congenital nevus
- Connective tissue nevus
- Corticosteroids (systemic)
- Corticosteroids (topical)
- CR(E)ST syndrome
- Cracked heels
- Cradle cap
- Creeping eruption
- CREST Syndrome (Limited Scleroderma)
- CTCL
- Cutaneous larva migrans
- Cutaneous lupus erythematosus
- Cutaneous T-cell lymphoma
- Cutaneous vasculitis
- Cutis marmorata Telangiectasia Congenita
- Cyclosporin
- Cyst
D
- Dandruff
- Dapsone
- Darier's Disease
- Decubitus ulcers
- Delusions of parasitosis
- Dermatitis herpetiformis
- Dermatofibroma
- Dermatofibrosarcoma protuberans
- Dermatomyositis
- Dermatosis papulosa nigra
- Dermoid Cyst
- Dermoscopy
- Diabetic bullae
- Diabetic dermopathy
- Diabetic foot ulcers
- Diaper dermatitis
- Diaper rash
- Discoid lupus erythematosus
- Dissecting cellulitis
- Disseminated superficial actinic porokeratosis
- Dithranol
- Drug eruption (Morbilliform type)
- Drug hypersensitivity syndrome
- Drug Reaction with Eosinophilia and Systemic Symptoms
- Drug-induced lupus erythematosus
- Drug-induced photosensitivity
- Drug-induced pigmentation
- Dry skin
- Dry Skin Management Handout
- DSAP
- Dyshidrosis/dyshidrotic eczema
- Dysplastic nevus
E
- Ecthyma
- Eczema
- Eczema craquele
- Ehrlichiosis
- Elephantiasis
- Eosinophilic folliculitis
- Ephelid
- Epidermal inclusion cyst
- Epidermolysis bullosa
- Epidermolysis bullosa acquisita
- Epidermolytic hyperkeratosis
- Epiloia
- Erosive lichen planus
- Eruptive keratoacanthoma
- Eruptive xanthomas
- Erysipelas
- Erysipeloid
- Erythema ab igne
- Erythema annulare centrifugum
- Erythema dyschromicum perstans
- Erythema elevatum diutinum
- Erythema gyratum repens
- Erythema induratum (Nodular vasculitis)
- Erythema infectiosum
- Erythema migrans
- Erythema multiforme
- Erythema nodosum
- Erythema subitum
- Erythermalgia
- Erythrasma
- Erythromelalgia
- Erythromycin
- Erythropoeitic protoporphyria
- Escharotic agents
- Etanercept
- Exanthum subitum
- Extramammary Paget Disease
F
- Factitial dermatitis
- Famciclovir
- Favre-Racouchot Syndrome
- Female pattern hair loss
- Fever blister
- Fibrofolliculomas (Birt-Hogg-Dube syndrome)
- Fibrous papule
- Fifth disease
- Fillers
- Finasteride
- Fishtank granuloma
- Fissured tongue
- Fixed drug eruption
- Fluconazole
- Fluorouracil
- Flushing
- Follicular occlusion syndrome
- Folliculitis
- Folliculitis decalvans
- Fordyce angiokeratoma
- Fordyce spots
- Fox-Fordyce disease
- Freckle
- Free Skin Cancer Screening
- Frostbite
- Fungal nail infections
- Furuncle (Boil)
- Furunculosis
G
- Gabapentin
- Gabapentin and Pregabalin
- Gamasoidosis
- Genital herpes
- Genital warts
- Geographic tongue
- German measles
- Gianotti-Crosti Syndrome
- Glomus tumor
- Glossitis, benign migratory
- Gonorrhea
- Graft versus host disease
- Gram negative folliculitis
- Granular cell tumor
- Granuloma annulare
- Granuloma faciale
- Granuloma inguinale
- Gravitational eczema
- Griseofulvin
- Grover's disease
- Guidlines
H
- Hailey-Hailey disease
- Hair loss
- Hairy leukoplakia
- Halo nevus
- Hand dermatitis
- Hand foot and mouth disease
- Hansen disease
- Head lice
- Hemangioma
- Hemangioma of Infancy
- Hemochromatosis
- Hemorrhagic telangiectasia
- Henoch Schoenlein purpura
- Heparin necrosis
- Herpangina
- Herpes gestationis
- Herpes simplex
- Herpes zoster (Shingles)
- Herpes zoster ophthalmicus
- Herpes zoster oticus
- Herpetic gingivostomatitis
- Hidradenitis suppurativa
- Histiocytoses (Langerhans cell histiocytosis)
- Histiocytosis X
- Histoplasmosis
- Hives
- Hot tub folliculitis
- Humira
- Hydroquinone
- Hydroxychloroquine
- Hypertrichosis
- Hypertrophic scar
I
- Ichthyosis
- Idiopathic guttate hypomelanosis
- ILVEN (inflammatory linear verrucous epidermal nevus)
- Imiquimod
- Impetigo
- Incontinentia pigmenti
- Infantile acne
- Infantile Hemangioma
- Infliximab
- Ingrown toenails
- Intertrigo
- Intradermal melanocytic nevus
- Intraepidermal squamous cell carcinoma
- Irritant contact dermatitis
- Isotretinoin
- Itraconazole
- Ivermectin
J
K
L
- Labial melanotic macule
- Lamellar Dyshidrosis
- Lamellar ichthyosis
- Leishmaniasis
- Lentigines
- Lentigo simplex
- Leprosy
- Lichen nitidus
- Lichen planus
- Lichen sclerosis
- Lichen simplex
- Lichen striatus
- Lichenoid keratosis
- Linear epidermal nevus
- Linear IgA dermatosis
- Linear porokeratosis
- Lingua plicata
- Lipodermatosclerosis
- Lipoma
- Livedo reticularis
- Livedoid vasculitis
- Lupus erythematosus
- Lupus profundus
- Lupus tumidus
- Lupus vulgaris
- Lyme disease
- Lymphangioma
- Lymphedema
- Lymphogranuloma venereum (LGV)
- Lymphomatoid papulosis
M
- Male pattern balding
- Malignant melanoma
- Mastocytoma, solitary
- Measles
- Median nail dystrophy
- Melanoma
- Melasma
- Merkel cell carcinoma
- Methotrexate
- Metronidazole
- Mibelli porokeratosis
- Miliaria
- Milium, milia
- Mitchell's disease (after Silas Weir Mitchell)
- Mite Bites
- Mole-Handout
- Mole/Common Acquired Melanocytic Nevi
- Molluscum contagiosum
- Mongolian spot
- Morbilli
- Morbilliform drug eruption
- Morphea
- Mucocoele of the lip
- Mucous cyst
- Mupirocin
- Mycetoma
- Mycophenolate mofetil
- Mycosis fungoides
- Myiasis
- Myxoid cyst
N
- Necrobiosis lipoidica
- Necrolytic acral erythema
- Necrolytic migratory erythema
- Necrotic Arachnidism
- Necrotizing fasciitis
- Nephrogenic fibrosing dermopathy
- Nephrogenic systemic fibrosis
- Nest mites
- Neurodermatitis
- Neurofibroma, solitary
- Neurofibromatosis
- Neurotic excoriations
- Nevi of Ota & Ito
- Nevi, melanocytic
- Nevus anemicus
- Nevus araneus
- Nevus comedonicus
- Nevus flammeus (Stork bite and angel's kiss)
- Nevus of Ito
- Nevus Sebaceous
- Nevus Sebaceus
- Nevus sebaceus of Jadassohn
- Nevus spilus
- Nodulocystic acne
- Notalgia paresthetica
- Nummular eczema
O
P
- Paget disease (extramammary)
- Paget's disease of the breast
- Palmoplantar psoriasis
- Palmoplantar pustulosis
- Papular urticaria
- Parapsoriasis
- Paronychia
- Pearly penile papules
- Pediculosis capitis
- Pemphigoid gestationis
- Pemphigus foliaceus
- Pemphigus vulgaris
- Perioral dermatitis
- Perleche
- Permethrin
- Perniosis
- Peutz-Jeghers syndrome
- Photodynamic therapy
- Phototherapy
- Pigmented purpura
- Pilomatricoma (pilomatrixoma)
- Pilomatrixoma
- Pitted keratolysis
- Pityriasis alba
- Pityriasis lichenoides
- Pityriasis Rosea
- Pityriasis rubra pilaris
- Pityriasis versicolor
- Pityrosporum folliculitis
- Podophyllotoxin
- Poikiloderma of Civatte
- Polymorphous eruption of pregnancy
- Polymorphous light eruption
- Pompholyx
- Porokeratosis (DSAP)
- Porphyria cutanea tarda
- Port wine stain
- Postinflammatory hyperpigmentation
- Prednisone
- Pressure urticaria
- Primary Syphilis
- Prurigo nodularis
- Pruritic urticarial papules and plaques of pregnancy
- Pruritus ani
- Pruritus vulvae
- Pseudofolliculitis barbae
- Pseudomonas folliculitis
- Psoriasis
- Psoriasis of hands and feet
- Psoriasis, erythrodermic
- Psoriasis, general information
- Psoriasis, plaque type
- Psoriasis, treatment
- Psoriasis: guttate
- Psoriasis: nails
- Psoriasis: scalp
- Psoriatic arthritis
- PUPP
- Pustular psoriasis (generalised)
- Pustular psoriasis of hands and feet
- Pyoderma faciale
- Pyoderma gangrenosum
- Pyogenic granuloma
Q
R
S
- Salicylic acid
- Salmon patch
- Sarcoidosis
- Scabies
- Scalp folliculitis
- Scarlet fever/scarlatina
- Schamberg's purpura(capillaritis)
- Scleroderma
- Sea bather's eruption
- Sebaceous hyperplasia
- Sebaceous nevus
- Seborrheic dermatitis
- Seborrheic keratoses
- Seborrhoea
- Sezary syndrome
- Shingles
- Skin biopsy
- Skin Cancer
- Skin Cancer Screening
- Skin tags
- Smartphone Skin Cancer Screening
- Solar cheilitis
- Solar keratosis
- Solar lentigo
- Spider angioma
- Spider telangiectasia
- Spitz nevus
- Sporotrichosis
- Squamous cell carcinoma in situ/Bowen's disease
- Squamous cell carcinoma of the penis
- Squamous cell carcinoma, intraepidermal
- Squamous cell carcinoma, invasive
- Staphylococcal scalded skin syndrome
- Stasis dermatitis
- Steatocystoma
- Steatocystoma multiplex
- Stelara
- Steroid rosacea
- Stevens Johnson syndrome
- Stork bite
- Strawberry birthmark
- Stretch marks
- Striae(stretch marks)
- Subungual exostosis
- Sunblock
- Sunscreens
- Swimmer's itch
- Syphilis
- Syringoma
T
- T-cell lymphoma
- T.E.N.
- Tacrolimus
- Tar treatment
- Telangiectasia
- Telogen effluvium
- Terbinafine
- Tetracycline class of antibiotics
- The clap
- Thrush
- Tinea barbae
- tinea capitis
- Tinea corporis
- Tinea cruris
- Tinea faciei
- Tinea incognito
- Tinea manuum
- Tinea nigra
- Tinea pedis
- Tinea unguium
- Tinea versicolor
- Topical nitrogen mustard
- Topical retinoids
- Toxic epidermal necrolysis
- Toxic shock syndrome
- Trachyonichia
- Trichoepithelioma
- Tuberous sclerosis
- Twenty nail dystrophy