Comparison of 25 most commonly prescribed antibiotic products in Clinical Practice Research Datalink (CPRD) Aurum and CPRD GOLD
| Product name | CPRD Aurum | CPRD GOLD | CPRD GOLD England | ||||||
| Freq. | Per cent | Rank | Freq. | Per cent | Rank | Freq. | Per cent | Rank | |
| Amoxicillin 500 mg capsules | 16 684 | 16.5 | 1 | 19 985 | 17.7 | 1 | 6699 | 17.8 | 1 |
| Doxycycline 100 mg capsules | 8993 | 8.9 | 2 | 10 500 | 9.3 | 2 | 2559 | 6.8 | 3 |
| Flucloxacillin 500 mg capsules | 8925 | 8.8 | 3 | 9575 | 8.5 | 3 | 3154 | 8.4 | 2 |
| Trimethoprim 200 mg tablets | 5931 | 5.9 | 4 | 9064 | 8.0 | 4 | 2277 | 6.1 | 4 |
| Nitrofurantoin 100 mg modified-release capsules | 4948 | 4.9 | 5 | 3789 | 3.4 | 7 | 1653 | 4.4 | 6 |
| Clarithromycin 500 mg tablets | 4656 | 4.6 | 6 | 4889 | 4.3 | 5 | 1842 | 4.9 | 5 |
| Phenoxymethylpenicillin 250 mg tablets | 3855 | 3.8 | 7 | 4510 | 4.0 | 6 | 1254 | 3.3 | 7 |
| Amoxicillin 250 mg/5 mL oral suspension sugar free | 3030 | 3.0 | 8 | 3645 | 3.2 | 8 | 1065 | 2.8 | 9 |
| Coamoxiclav 500 mg/125 mg tablets | 2765 | 2.7 | 9 | 2971 | 2.6 | 9 | 1161 | 3.1 | 8 |
| Lymecycline 408 mg capsules | 2379 | 2.4 | 10 | 2916 | 2.6 | 10 | 1010 | 2.7 | 10 |
| Nitrofurantoin 50 mg capsules | 2295 | 2.3 | 11 | 2821 | 2.5 | 11 | 848 | 2.3 | 12 |
| Trimethoprim 100 mg tablets | 2232 | 2.2 | 12 | 2519 | 2.2 | 12 | 912 | 2.4 | 11 |
| Nitrofurantoin 50 mg tablets | 2169 | 2.1 | 13 | 1539 | 1.4 | 18 | 610 | 1.6 | 17 |
| Amoxicillin 250 mg/5 mL oral suspension | 1909 | 1.9 | 14 | 1525 | 1.4 | 19 | 707 | 1.9 | 15 |
| Amoxicillin 125 mg/5 mL oral suspension sugar free | 1802 | 1.8 | 15 | 990 | 0.9 | 25 | 369 | 1.0 | 25 |
| Azithromycin 250 mg tablets | 1602 | 1.6 | 16 | 1306 | 1.2 | 22 | 373 | 1.0 | 24 |
| Erythromycin 250 mg gastroresistant tablets | 1418 | 1.4 | 17 | 1949 | 1.7 | 13 | 727 | 1.9 | 14 |
| Metronidazole 400 mg tablets | 1384 | 1.4 | 18 | 1595 | 1.4 | 17 | 560 | 1.5 | 19 |
| Oxytetracycline 250 mg tablets | 1292 | 1.3 | 19 | 1416 | 1.3 | 20 | 430 | 1.1 | 22 |
| Cefalexin 250 mg capsules | 1241 | 1.2 | 20 | 1661 | 1.5 | 16 | 522 | 1.4 | 20 |
| Ciprofloxacin 500 mg tablets | 1236 | 1.2 | 21 | 1724 | 1.5 | 15 | 662 | 1.8 | 16 |
| Amoxil 500 mg capsules (GlaxoSmithKline UK) | 1193 | 1.2 | 22 | 587 | 0.5 | 33 | 283 | 0.8 | 29 |
| Flucloxacillin 250 mg capsules | 1147 | 1.1 | 23 | 1763 | 1.6 | 14 | 746 | 2.0 | 13 |
| Phenoxymethylpenicillin 125 mg/5 mL oral solution | 1081 | 1.1 | 24 | 712 | 0.6 | 27 | 354 | 0.9 | 26 |
| Amoxicillin 250 mg capsules | 1073 | 1.1 | 25 | 1397 | 1.2 | 21 | 575 | 1.5 | 18 |