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Table 2 Comparison of the most common antibiotics consumed nationally in primary care and the most common antibiotics prescribed by General Practitioners in the study. (DDD: defined daily dose; HPSC: Health Protection Surveillance Centre)

From: Antibiotic prescribing in primary care, adherence to guidelines and unnecessary prescribing - an Irish perspective

Antibiotic National consumption data (HPSC) GP Study
  Rank DDD % Rank Reported prescriptions %
Co-amoxiclav 1 765,235 27.01 1 792 23.66
Amoxicillin 2 448,362 15.83 2 719 21.48
Clarithromycin 3 386,060 13.63 3 308 9.20
Doxycycline 4 176,445 6.23 9 81 2.42
Flucloxacillin 5 128,998 4.55 5 231 6.90
Phenoxymethylpenicillin 6 113,971 4.02 4 233 6.96
Cefaclor 7 108,434 3.83 6 173 5.17
Trimethoprim 8 107,384 3.79 7 131 3.91
Lymecycline 9 97,918 3.46 19 20 0.60
Erythromycin 10 89,771 3.17 8 82 2.45
Ciprofloxacin 12 84,981 3.00 10 78 2.33
Other antibacterials   325,666 11.49   500 14.93
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