Amoxicillin
INDICATIONS
FDA
FDA
Treatment of infections due to susceptible (β-lactamase-negative) strains causing the following syndromes:
- Infections of the ear, nose, and throat caused by Streptococcus spp. (α- and β-hemolytic strains), S. pneumoniae, Staphylococcus spp., or H. influenzae
- Infections of the genitourinary tract caused by E. coli, P. mirabilis, or E. faecalis.
- Note: IDSA does not recommend empiric use due to higher resistance rates to E. coli and poor efficacy[8].
- Infections of the skin and skin structure caused by Streptococcus spp. (α- and β-hemolytic strains), Staphylococcus spp., or E. coli
- Infections of the lower respiratory tract caused by Streptococcus spp. (α- and β-hemolytic strains), S. pneumoniae, Staphylococcus spp., or H. influenzae
- Gonorrhea, acute uncomplicated (ano-genital and urethral infections) – due to N. gonorrhoeae (males and females). Note: The CDC does not recommend amoxicillin for the treatment of gonorrhea due to high rates of resistance.
- H. pylori eradication to reduce the risk of duodenal ulcer recurrence in combination with other antibiotics/medications.
Amoxicillin ER tablet (Moxatag™) has been discontinued for use in the U.S.
NON-FDA APPROVED USES
NON-FDA APPROVED USES
- Lyme disease
- Enterococcus infections
- Suppression therapy for prosthetic joint infections caused by streptococci, Enterococcus, C. acne
- Endocarditis prophylaxis
- Dental infections
- Low-risk penicillin allergies; challenge with oral penicillin "direct amoxicillin challenge"[16]
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Last updated: March 15, 2025
Citation
Dzintars, Kathryn, and Edina Avdic. "Amoxicillin." Johns Hopkins ABX Guide, The Johns Hopkins University, 2025. Pediatrics Central, peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540017/all/Amoxicillin.
Dzintars K, Avdic E. Amoxicillin. Johns Hopkins ABX Guide. The Johns Hopkins University; 2025. https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540017/all/Amoxicillin. Accessed March 31, 2025.
Dzintars, K., & Avdic, E. (2025). Amoxicillin. In Johns Hopkins ABX Guide. The Johns Hopkins University. https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540017/all/Amoxicillin
Dzintars K, Avdic E. Amoxicillin [Internet]. In: Johns Hopkins ABX Guide. The Johns Hopkins University; 2025. [cited 2025 March 31]. Available from: https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540017/all/Amoxicillin.
* Article titles in AMA citation format should be in sentence-case
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BT - Johns Hopkins ABX Guide
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