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- Title
When Does Overuse of Antibiotics Become a Tragedy of the Commons?
- Authors
Porco, Travis C.; Gao, Daozhou; Scott, James C.; Shim, Eunha; Enanoria, Wayne T.; Galvani, Alison P.; Lietman, Thomas M.
- Abstract
Background: Over-prescribing of antibiotics is considered to result in increased morbidity and mortality from drug-resistant organisms. A resulting common wisdom is that it would be better for society if physicians would restrain their prescription of antibiotics. In this view, self-interest and societal interest are at odds, making antibiotic use a classic "tragedy of the commons". Methods and Findings: We developed two mathematical models of transmission of antibiotic resistance, featuring de novo development of resistance and transmission of resistant organisms. We analyzed the decision to prescribe antibiotics as a mathematical game, by analyzing individual incentives and community outcomes. Conclusions: A conflict of interest may indeed result, though not in all cases. Increased use of antibiotics by individuals benefits society under certain circumstances, despite the amplification of drug-resistant strains or organisms. In situations where increased use of antibiotics leads to less favorable outcomes for society, antibiotics may be harmful for the individual as well. For other scenarios, where a conflict between self-interest and society exists, restricting antibody use would benefit society. Thus, a case-by-case assessment of appropriate use of antibiotics may be warranted.
- Subjects
ANTIBIOTICS; DISEASES; DRUGS; PHYSICIANS; MORTALITY; ANTI-infective agents; ANTIBIOTIC overuse
- Publication
PLoS ONE, 2012, Vol 7, Issue 12, p1
- ISSN
1932-6203
- Publication type
Article
- DOI
10.1371/journal.pone.0046505