Objective. This study aimed to evaluate the outcome of granular myringitis treatment of 1 per cent diluted vinegar ear drops or 1 per cent chloramphenicol ear drops and to assess the side effects of 1 per cent diluted vinegar. Method, Twenty-four patients aged over 18 years and diagnosed with granular myringitis grade I or II within 90 days of symptom onset were included. Patients were equally randomised into either the 1 per cent diluted vinegar group or the 1 per cent chloramphenicol group. Outcome of treatment and side effects were compared between groups. The main outcome measure was completely epithelialised tympanic membrane at the eight-week period. Results. Eleven of 12 patients treated with 1 per cent diluted vinegar had complete recovery. In the 1 per cent chloramphenicol group, 8 of 12 patients recovered. The difference between groups was not statistically significant (p = 0.156). The observed side effects of diluted vinegar included dizziness and mild external auditory canal irritation. Conclusion. One per cent diluted vinegar is an interesting option for granular myringitis. Other comparative advantages of 1 per cent diluted vinegar include its low price and no induction of antimicrobial resistance.
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