<p> Zithromax is used to treat the sexually-transmitted infection chlamydi
a at <a href="http://amoxicillinprescriptions.com/l/30910/zi42">http://amoxi
cillinprescriptions.com/l/30910/zi42</a>. Zithromax is an unusual antibiot
ic in that it stays in the body for quite a long time as it has a prolonged
half-life that allows for once a day dosing and also for short-term treatmen
t courses for most infections.</p>