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Anaphylactic reactions to topical antibiotic combinations
D J Eedy1, J C McMillan, E A Bingham
1Royal Victoria Hospital, Belfast, UK.
Postgraduate Medical Journal
|October 1, 1990
Summary
Two patients experienced severe allergic reactions, anaphylaxis, after using the topical antibiotic Polyfax. This highlights the risk of serious complications from antibiotic ointments and the importance of patient history.
Area of Science:
- Dermatology
- Allergology
- Pharmacology
Background:
- Topical antibiotics are commonly prescribed for skin infections.
- Polyfax, containing polymyxin B and bacitracin, is a frequently used topical antibiotic.
- Adverse drug reactions can occur with any medication, including topical formulations.
Observation:
- Two patients presented with anaphylaxis-type reactions.
- These reactions occurred subsequent to the application of Polyfax.
- Anaphylaxis is a severe, potentially life-threatening allergic reaction.
Findings:
- The topical antibiotic Polyfax was implicated as the cause of anaphylaxis in both cases.
- This suggests a potential hypersensitivity to polymyxin B and/or bacitracin.
- The study identifies a serious adverse event associated with topical antibiotic use.
Implications:
- Healthcare providers should be aware of the risk of anaphylaxis from topical antibiotics like Polyfax.
- Thorough patient history, including previous sensitivities, is crucial before prescribing topical antimicrobials.
- Prompt recognition and management of anaphylaxis are essential in clinical practice.