The mnemonic
Painless Syphilis, Painful Chancroid and Herpes
What each word stands for
- SyphilisPainless, indurated chancre
- ChancroidPainful, soft ulcer with ragged edges
- HerpesPainful grouped vesicles that ulcerate
Why it matters clinically
Quick bedside separation of ulcer types.
Where it stops being reliable
LGV and granuloma inguinale are less typically painful and are not covered.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.