Fill in the Blanks VD fill inOnline version VD fill in by kenneth thomas 1 ducrey protozoan rectal arthritis inguinal Clue PID pus Chancroid : Soft chancre , painful caused by Hemphilus . Gonorrhea : Gram negative diploccus causes burning on urination with in the urine . Can produce . Lymphogranuloma venereum : Chlamydia is the organism . Produces strictures . DX : Frei test Chlamydia trachomatis : Most common Granuloma inguinale : Red nodules in region . Trichimonas : Purulent vaginal discharge , green and frothy , Gardenella vanialis : Foul smelling vaginal discharge . cells .