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Antibiotics in older adults
María C Rodríguez-Julbe1, Carlos H Ramírez-Ronda, Elba Arroyo
1Infectious Diseases Program, San Juan Veterans Affairs Medical Center and the Department of Medicine, University Hospital, Medical Sciences Campus, University of Puerto Rico, San Juan P.R.
Puerto Rico Health Sciences Journal
|May 6, 2004
Summary
Antibiotic dosing in older adults requires careful consideration due to age-related pharmacokinetic changes and altered side effect profiles. This review details appropriate antimicrobial agents, including beta-lactams and others, for elderly patients.
Area of Science:
- Geriatrics
- Pharmacology
- Infectious Diseases
Background:
- Antibiotics are commonly prescribed for elderly patients.
- Aging significantly alters pharmacokinetic parameters and potential side effects of medications.
- Changes in creatinine clearance necessitate adjusted antibiotic prescribing strategies in the elderly.
Purpose of the Study:
- To review antimicrobial agents suitable for treating older adults.
- To highlight the importance of careful antibiotic selection and dosing in geriatric populations.
- To provide guidance on the use of various antibiotic classes in the elderly.
Main Methods:
- Literature review of antibiotic classes relevant to geriatric care.
- Analysis of pharmacokinetic and pharmacodynamic considerations in aging.
- Compilation of indications and contraindications for antibiotic use in older individuals.
Main Results:
- Discussion of major antibiotic groups including beta-lactams (penicillins, cephalosporins, monobactams, carbapenems, beta-lactamase inhibitors).
- Review of other agents such as trimethoprim-sulfamethoxazole, macrolides (azithromycin, clarithromycin), aminoglycosides, vancomycin, clindamycin, and metronidazole.
- Presentation of specific indications and contraindications for each antibiotic class in the elderly.
Conclusions:
- Antibiotic selection and dosing in older adults must account for physiological changes associated with aging.
- A comprehensive understanding of available antimicrobial agents and their geriatric-specific use is crucial.
- This review serves as a guide for optimizing antibiotic therapy in the elderly population.