Chancroid

It is a STD caused by Hemophilus ducreyi
Incubation Period:3 to 10 days.

Clinical features:

• Ulcer is acutely inflamed
• Painful
• Tender
• Extends into the dermis and is yellowish red colour
• Covered by dirty exudates and
• Bleeds on touch

Inguinal lymphnode inflammed called bubo,glands may ulcerated
Multiple ulcers extends into each other
New ulcer formed by auto in oculation

Diagnosis:

1. Gram stain-school of fish appearance of ducreyi bacillus(H.ducreyi)
2. Culture-selective medium

Treatment:

1. Azithromycin-1gm single dose
2. Erythromycin-500mg q.d.s for days
3. Injection Ceftriaxone-250mg I.M single dose