Table 1.
Counts (> 1%) of antibiotic types prescribed with recent record of selected infections stratified by quintile of prior antibiotic use (CPRD) (multiple types of antibiotics prescribed on the same date were counted separately)
| Quintile of prior antibiotic use | |||||
|---|---|---|---|---|---|
| Lowest | Low | Middle | High | Highest | |
| Amoxicillin | 814,864 (52.5%) | 321,935 (47.6%) | 440,600 (45.0%) | 416,928 (41.8%) | 351,691 (35.1%) |
| Phenoxymethylpenicillin | 232,338 (15.0%) | 85,338 (12.6%) | 107,876 (11.0%) | 82,831 (8.3%) | 40,654 (4.1%) |
| Trimethoprim | 151,562 (9.8%) | 68,977 (10.2%) | 103,894 (10.6%) | 110,187 (11.1%) | 116,739 (11.6%) |
| Erythromycin | 117,147 (7.6%) | 58,666 (8.7%) | 87,729 (9.0%) | 88,363 (8.9%) | 69,914 (7.0%) |
| Clarithromycin | 62,377 (4.0%) | 36,836 (5.4%) | 59,371 (6.1%) | 69,151 (6.9%) | 75,576 (7.5%) |
| Cefalexin | 51,594 (3.3%) | 30,730 (4.5%) | 51,907 (5.3%) | 64,302 (6.5%) | 90,273 (9.0%) |
| Doxycycline | 36,885 (2.4%) | 20,944 (3.1%) | 34,639 (3.5%) | 41,802 (4.2%) | 55,612 (5.5%) |
| Nitrofurantoin | 24,476 (1.6%) | 16,431 (2.4%) | 30,105 (3.1%) | 41,386 (4.2%) | 68,578 (6.8%) |
| Flucloxacillin | 22,738 (1.5%) | 11,063 (1.6%) | 16,581 (1.7%) | 17,847 (1.8%) | 18,730 (1.9%) |
| Ciprofloxacin | 14,853 (1.0%) | 11,451 (1.7%) | 21,166 (2.2%) | 29,869 (3.0%) | 56,727 (5.7%) |
| Cefaclor | 7662 (0.5%) | 5000 (0.7%) | 8372 (0.9%) | 10,583 (1.1%) | 13,531 (1.3%) |