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Three Serious Drug Interactions that Every Dentist Should Know About
Elliot V Hersh1, Paul A Moore2
1Professor, Pharmacology, Department of Oral Surgery and Pharmacology, School of Dental Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.
Compendium of Continuing Education in Dentistry (Jamesburg, N.J. : 1995)
|June 9, 2015
Summary
Dentists must recognize serious drug interactions. Nonsteroidal anti-inflammatory drugs (NSAIDs), metronidazole/fluconazole with warfarin, and propranolol with epinephrine can cause severe patient harm.
Area of Science:
- Pharmacology
- Dental Medicine
- Clinical Toxicology
Background:
- Increasing prevalence of patients with complex medical and drug histories in dental settings.
- Adverse drug events pose significant risks in routine dental care.
- Need for awareness of specific drug interactions impacting dental treatment.
Purpose of the Study:
- To review three critical drug interactions relevant to dental practice.
- To highlight potential adverse outcomes associated with these interactions.
- To emphasize the importance of clinical recognition and avoidance of these interactions.
Main Methods:
- Literature review of well-documented adverse drug interactions.
- Analysis of pharmacological mechanisms underlying the interactions.
- Case-based examples illustrating clinical significance.
Main Results:
- Nonsteroidal anti-inflammatory drugs (NSAIDs) can cause lithium toxicity by inhibiting renal excretion.
- Metronidazole and fluconazole interactions with warfarin increase bleeding risk via CYP-2C9 inhibition.
- Propranolol can lead to hypertensive reactions and reflex bradycardia when combined with epinephrine in local anesthetics.
Conclusions:
- Clinicians must be vigilant for specific drug interactions involving NSAIDs, warfarin, and beta-blockers.
- Understanding these interactions is crucial for patient safety in dentistry.
- Proactive management of drug interactions ensures optimal and safe dental treatment.
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