Question
A 250-mg intramuscular dose of ceftriaxone is most effective in curing gonococcal infections at both genital and extragenital sites. In patients who are allergic to cephalosporins, what is the treatment?
治疗生殖器和生殖器以外部位淋球菌感染最有效的手段是肌注头孢三嗪（250mg）。但是，患者若对头孢菌素过敏，应该用什么药物替代？
Answer
In patients who are allergic to cephalosporins, the only option is 2 g of azithromycin orally.
患者若是对头孢菌素过敏，阿奇霉素2克口服是不二选择。
Reference
NEJM, Vol. 366, pg. 485
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