A man having multiple, painful, indurated, undermined, sloughed edged glans which occurred 5 days after exposures; most likely diagnosis is –

Step 1 Painful ulcer → Chancroid or HSV. Step 2 In the question, there is no information about step 2 → suppurative lymphadenopathy, U/L or B/L lymphadenopathy, presence or absence of vesicle. So go for step - 3. Step 3 Induration (+)nt → Chancroid Undermined sloughed edges → Chancroid