One of the following is recommended: A single-dose of azithromycin 1 g orally or ceftriaxone 250 mg IM Erythromycin 500 mg orally 3 times a day for 7 days Ciprofloxacin 500 mg orally twice a day for 3 days Patients treated for other causes of genital ulcers should be given antibiotics that also treat chancroid if chancroid is suspected and laboratory testing is impractical.