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fluid-filled lesion over 1 cm

bulla

firm mass or swelling

tumor

flat discolored lesion

macule

large solid raised lesion

nodule

small solid raised lesion

papule

broad raised flat lesion

plaque

pus-filled raised lesion

pustule

large flat discolored area

patch

small clear fluid blister

vesicle

raised itchy hive

wheal

freckle lesion type

macule

mole lesion type

papule

acne pus lesion

pustule

vitiligo lesion type

patch

herpes lesion type

vesicle

wheal common cause

allergic reaction

linear crack into dermis

fissure

excessive raised scar

keloid

thickened scratched skin

lichenification

flaky keratin shedding

scales

healed connective-tissue mark

scar

medical term for scar

cicatrix

deep open sore

ulcer

pressure ulcer

decubitus ulcer

dried lesion material

crust

superficial scraped depression

erosion

scratch-caused abrasion

excoriation

general fluid-filled lesion

blister

pregnancy stretch marks

striae gravidarum

general skin eruption

rash

rough dry skin

xeroderma

fish-like scaly skin

ichthyosis

nflamed oil-gland disease

acne

blackhead or whitehead

comedone

pimple with pus

pustule

androgen-linked acne

juvenile acne

single keratin cyst

milium

multiple keratin cysts

milia

cheesy keratin-filled cyst

epidermoid cyst

blocked follicle cyst

epidermal cyst

tailbone-area cyst

pilonidal cyst

general skin inflammation

dermatitis

medical term for hives

urticaria

itchy pale wheals

urticaria

noninfectious itchy dermatitis

eczema

main eczema symptom

itching

eczema triggers

perfumes, detergents

silvery-scaled red lesions

psoriasis

psoriasis may involve

arthritis

irritant-contact rash

contact dermatitis

radiation-caused dermatitis

actinodermatitis

plant-oil light reaction

phytophotodermatitis

viral salivary gland infection

mumps

parotid gland inflammation

parotitis

swollen-cheek disease

mumps

Koplik spots disease

measles

highly contagious rash virus

measles

pregnancy-risk rash virus

rubella

rubella rash duration

2-3 days

variola disease

smallpox

smallpox virus

variola

varicella-zoster primary disease

chickenpox

chickenpox early lesions

papules

varicella-zoster reactivation

shingles

shingles pattern area

dermatomes

viral wart

verruca

wart-causing virus

papillomavirus

light-sensitive dermatitis

photodermatitis

childhood extremity dermatitis

acrodermatitis

greasy yellow scalp scales

cradle cap

pressure-thickened skin

callus

toe pressure lesion

corn

big-toe joint enlargement

bunion

inflamed cracked lips

cheilitis

inflamed capillary patches

capillaritis

itchy hand/foot vesicles

dyshidrosis

absence or loss of hair

alopecia

excess body hair

hirsutism

excess hair growth

hypertrichosis

nail grows into skin

ingrown toenail

inflamed nail margin

paronychia

finger/toe end inflammation

whitlow

finger/toe end abscess

felon

hair grows into skin

ingrown hair

painful mouth ulcer

canker sore

oral herpes blisters

cold sores

cold sore cause

herpes simplex

cold sore trigger

stress

cold sore blister stage

vesicles

repeated boils

furunculosis

common boil bacteria

staphylococcus

cluster of boils

carbuncle

honey-colored crust infection

impetigo

impetigo bacteria

staph or strep

inflamed dermis and fat

cellulitis

cellulitis common cause

streptococcus pyogenes

localized pus pocket

abscess

pus formation

suppuration

tissue death from poor blood supply

gangrene

gangrene cause

insufficient blood