Chancroid is caused by?: (A) H. Ducrei, (B) N. Gonnorrea, (C) T. Pallidum, (D) H. Influenza
Answer is A. Ans:A.)H. Ducrei CHANCROID (SOFT SORE) This venereal infection is caused by the Gram-negative bacillus Haemophilus ducreyi. One to 5 days post-infection, a soft sloughy ulcer appears on the penis or vulva. The treatment of choice is erythromycin (500 mg 6-hourly for 14 days).