Question: is ciprofloxacin related to amoxicillin?
Answer: Amoxicillin and Cipro belong to different antibiotic drug classes. Amoxicillin is a penicillin-type antibiotic and Cipro is a fluoroquinolone antibiotic. Side effects of amoxicillin and Cipro that are similar include diarrhea, abdominal pain, nausea, vomiting, and rash.