Trimethoprim

National NHS prescribing (Prescription Cost Analysis) · Antibacterial drugs

Data updated March 2026

Trimethoprim was ranked 158th of 1,794 medicines by items in March 2026, with 131,731 items, up 2.0% on a year earlier.

131,731items

Dispensed in March 2026

NHSBSA Prescription Cost Analysis

£660,376

Net ingredient cost · March 2026

NHSBSA PCA

1,570,294items

Dispensed in the last 12 months

NHSBSA PCA

Figure 1. Trimethoprim: national items dispensed by month

Source: NHSBSA Prescription Cost Analysis, to March 2026

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Top presentations, March 2026

The individual products dispensed under Trimethoprim, by items this month.

Presentations of Trimethoprim, March 2026
Presentation	Items	Net ingredient cost
Trimethoprim 200mg tablets	78,031	£289,766
Trimethoprim 100mg tablets	28,192	£117,913
Trimethoprim 50mg/5ml oral suspension sugar free	25,508	£252,697

Compare Trimethoprim with

Other medicines in the same BNF section, by prescribing volume.