ACEI — angiotensin-converting enzyme inhibitors
AH — antihistamines
AIDS — acquired immunodeficiency syndrome
AtD — atopic dermatitis
CNS — central nervous system
DNA — deoxyribonucleic acid
EB — elementary bodies
ELISA — enzyme-linked immunosorbent assay
ESR — erythrocytes sedimentation rate
GCs — glucocorticoids
GI — gastrointestinal tract
HIV — human immunodeficiency virus
HPV — human papillomavirus
HSV — herpes simplex virus
IFA — immunofluorescent assay
IFN — interferon
Ig — immunoglobulin
IL — interleukin
IR — infrared
LP — lichen planus
MPT — microprecipitation test
NSAIDs — non-steroidal anti-inflammatory drugs
PCR — polymerase chain reaction
RB — reticular bodies
RNA — ribonucleic acid
RPR — rapid plasma reagin test
SLE — systemic lupus erythematosus
SSD — systemic sclerosis (scleroderma)
STIs — sexually transmitted infections
SUP — selective UV-Phototherapy
TNFα — tumor necrosis factor alpha
TPHA — treponema pallidum hemagglutination assay
TPI — treponema pallidum immobilization test
UHF — ultra-high frequency
UHF — ultra-high frequency
UV — ultraviolet light
UVA — UV spectrum at a wavelength of 320–340 nm (A)
UVB — UV spectrum at a wavelength of 290–320 nm (B)