Question: what over the counter medicine is similar to a zpack?
Answer: azithromycin (azithromycin) Prescription only. ... 
8 alternatives.
Augmentin (amoxicillin / clavulanate) Prescription only. ... 
amoxicillin (amoxicillin) Prescription only. ... 
Cipro (ciprofloxacin) Prescription only. ... 
doxycycline (doxycycline) Prescription only. ... 
Keflex (cephalexin) Prescription only. ... 
Cleocin (clindamycin)