Seventeen year young male patient presented with complain of burning micturation, fever since 8 days and ulcer in genital area. After clinical examination impression smear and swab from ulcer were received. Gram stain showed presence of pus cells, gram negative plump coccobacilli. Even though primary isolation of Haemophilus ducreyi is difficult we get growth on Muller Hinton based chocolate agar containing 1% IsovitaleX supplement and 3 μg/ml of vancomycin. Phenotypically the organism was identified as Haemophilus ducreyi.
Genital Ulcer, Haemophilus Ducreyi, Chancroid