Amoxil Active ingredient: amoxicillin $0.39 for pill Amoxil is an antibiotic from the penicillin group used to treat infections such as pneumonia, gonorrhea caused by E. coli, salmonella, etc. Brand Amoxil Active ingredient: amoxicillin $0.57 for pill Brand Amoxil (Amoxicillin) is used to treat infections.

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