Question

A 24-year-old man with urethral discharge is treated with ceftriaxone 500 mg IM once and doxycycline 100 mg BID for 7 days. He weighs 170 kg. Was the ceftriaxone dose adequate?

Accepted Answer

No; use ceftriaxone 1 g IM once if body weight >=150 kg

Answer

Yes; 500 mg is appropriate regardless of weight

Answer

Dose should be 2 g IM once

Answer

Add azithromycin 1 g to increase efficacy

Answer

Split dosing into two 250 mg IM injections 12 hours apart

Practice question

A 24-year-old man with urethral discharge is treated with ceftriaxone 500 mg IM once and doxycycline 100 mg BID for 7 days. He weighs 170 kg. Was the ceftriaxone dose adequate?