Related Experiment Videos
[Side effects of external ophthalmologic drugs]
P J Frosch1, R Weickel, T Schmitt
1Universitäts-Hautklinik Heidelberg.
Zeitschrift Fur Hautkrankheiten
|February 15, 1988
Summary
Patch testing on stripped or scarified skin improves detection of adverse reactions to ophthalmic medicaments, identifying more allergens like neomycin and gentamicin than standard patch tests.
Area of Science:
- Dermatology
- Ophthalmology
- Allergology
Context:
- Adverse reactions to ophthalmic medicaments can be difficult to diagnose.
- Standard patch testing may not detect all hypersensitivities.
Purpose:
- To evaluate the efficacy of different patch test methods for diagnosing adverse reactions to ophthalmic medicaments.
- To identify common allergens in ophthalmic preparations.
Summary:
- A study involving 43 patients compared standard patch testing (ENH), patch testing on stripped skin (HSA), and scarification testing (SKT).
- Stripped skin (HSA) detected reactions in 32.6% and scarified skin (SKT) in 23.7%, compared to 20.0% for ENH.
- Neomycin and gentamicin were identified as major allergens.
Impact:
- Enhanced sensitivity patch tests (HSA, SKT) are recommended for detecting weak sensitizations or irritant reactions from long-term ophthalmic medicament use.
- Improved diagnostic methods can lead to better patient management and avoidance of allergens.