Trimethoprim
Infections
Antibacterial drugs
BNF 0501080W0
Data updated May 2026
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Trimethoprim was ranked 161st of 1,792 medicines by items in May 2026, with 119,157 items, down 6.0% on a year earlier.
119,157items
-6%
Dispensed in May 2026
1,561,883items
Rolling 12 months
£591,028
Net ingredient cost · May 2026
Figure 1. Trimethoprim: national items dispensed by month
Source: NHSBSA Prescription Cost Analysis, to May 2026
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At a glance
- Therapeutic class Antibacterial drugs
- Presentations 4 shown
- Average cost / item £4.96
- Year on year Down 6.0% on a year earlier
What this is
Net ingredient cost is the list price before discounts and dispensing fees, not what the NHS finally pays.
Top presentations, May 2026
The individual products dispensed under Trimethoprim this month.
| Presentation | BNF code | Items | Net ingredient cost |
|---|---|---|---|
| Trimethoprim 200mg tablets | 0501080W0AAAEAE | 70,274 | £245,233 |
| Trimethoprim 100mg tablets | 0501080W0AAADAD | 26,813 | £131,214 |
| Trimethoprim 50mg/5ml oral suspension sugar free | 0501080W0AAAIAI | 22,069 | £214,096 |
| Trimethoprim 200mg/5ml oral liquid | 0501080W0AAAMAM | 1 | £485 |
Source: NHSBSA Prescription Cost Analysis · to May 2026 OGL v3.0
Where Trimethoprim is dispensed
The regions and dispensing practices with the highest Trimethoprim volumes.
Top regions
Top dispensing practices
- Modality Partnership (awc) 2,564
- Holderness Health 1,925
- Rothschild House Group 1,416
- Beacon Medical Group 1,117
- The Ridings Medical Group 956
- Westrop Medical Practice 897
Regional volumes from NHSBSA Prescription Cost Analysis; practice volumes from NHS dispensing data.
Compare Trimethoprim with
Other medicines in the same BNF section, by prescribing volume.