<prompt> Painful ulcers over genitalia seen in:Primary syphilisGranuloma inguinaleChancroidLymphogranuloma venerum  <response>: Chancroid or soft chancre Painful ulcer on penis caused by Haemophilus ducreyii . Irregular edges, undermined ulcers, bleeds easily. Painful , suppurative,unilateral inguinal lymphadenitisbubo : classical feature Kissing ulcers- Due to autoinoculation on the genitalia. Hard chancre painless genital ulcer most commonly formed during primary syphilis. forms approximately 21 days after the initial exposure to T.pallidum. 