表皮
allergic
arm
blister
blisters
chickenpox
dermatology
disease
hand
health
herpes
histamine
hives
human
illness
infection
irritated
itchy
lesions
medical
painful
plague
raised
rash
reaction
red
scratch
shingles
sick
sickness
skin
sores
symptoms
treat
treatment
urticaria
varicella
viral
virus
zoster