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Independent analysis of NHS open data
PharmaInsight

Topiramate

Central Nervous System Antiepileptic drugs BNF 040801050
Data updated April 2026 Download CSV

Topiramate was ranked 183rd of 1,792 medicines by items in April 2026, with 94,583 items, little changed on a year earlier.

94,583items -0.2%

Dispensed in April 2026

1,052,145items

Rolling 12 months

£1,018,334

Net ingredient cost · April 2026

Figure 1. Topiramate: national items dispensed by month

0 52k 105k Jan 2021 Nov 2021 Sep 2022 Jul 2023 May 2024 Mar 2025 Apr 2026 94,583 Jan 2021: 86k Feb 2021: 83k Mar 2021: 93k Apr 2021: 90k May 2021: 87k Jun 2021: 92k Jul 2021: 93k Aug 2021: 89k Sep 2021: 92k Oct 2021: 88k Nov 2021: 92k Dec 2021: 97k Jan 2022: 91k Feb 2022: 85k Mar 2022: 97k Apr 2022: 90k May 2022: 95k Jun 2022: 93k Jul 2022: 93k Aug 2022: 95k Sep 2022: 93k Oct 2022: 91k Nov 2022: 91k Dec 2022: 94k Jan 2023: 102k Feb 2023: 91k Mar 2023: 101k Apr 2023: 91k May 2023: 98k Jun 2023: 99k Jul 2023: 98k Aug 2023: 98k Sep 2023: 97k Oct 2023: 98k Nov 2023: 100k Dec 2023: 99k Jan 2024: 101k Feb 2024: 96k Mar 2024: 98k Apr 2024: 100k May 2024: 104k Jun 2024: 97k Jul 2024: 105k Aug 2024: 100k Sep 2024: 97k Oct 2024: 102k Nov 2024: 97k Dec 2024: 99k Jan 2025: 100k Feb 2025: 89k Mar 2025: 95k Apr 2025: 95k May 2025: 97k Jun 2025: 95k Jul 2025: 101k Aug 2025: 92k Sep 2025: 97k Oct 2025: 100k Nov 2025: 91k Dec 2025: 100k Jan 2026: 96k Feb 2026: 88k Mar 2026: 97k Apr 2026: 95k

Source: NHSBSA Prescription Cost Analysis, to April 2026

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At a glance

  • Therapeutic class Antiepileptic drugs
  • Presentations 15 shown
  • Average cost / item £10.77
  • Year on year Little changed 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, April 2026

The individual products dispensed under Topiramate this month.

Presentations of Topiramate, April 2026
Presentation BNF code Items Net ingredient cost
Topiramate 25mg tablets 040801050AAADAD 34,302 £45,014
Topiramate 50mg tablets 040801050AAAAAA 29,639 £39,861
Topiramate 100mg tablets 040801050AAABAB 19,115 £33,371
Topiramate 200mg tablets 040801050AAACAC 2,429 £14,025
Topiramate 25mg capsules 040801050AAAVAV 2,373 £61,249
Topiramate 50mg capsules 040801050AAAWAW 1,573 £65,160
Topamax 100mg tablets 040801050BBABAB 813 £51,999
Topamax 50mg tablets 040801050BBAAAA 779 £27,434
Topamax 50mg sprinkle capsules 040801050BBAGAW 627 £54,499
Topamax 25mg tablets 040801050BBADAD 609 £15,156
Topiramate 15mg capsules 040801050AAAUAU 554 £11,000
Topiramate 50mg/5ml oral suspension sugar free 040801050AACGCG 528 £358,462
Topamax 25mg sprinkle capsules 040801050BBAFAV 386 £13,938
Topamax 200mg tablets 040801050BBACAC 334 £34,285
Topiramate 100mg/5ml oral suspension sugar free 040801050AACHCH 243 £148,046

Source: NHSBSA Prescription Cost Analysis · to April 2026 OGL v3.0

Where Topiramate is dispensed

The regions and dispensing practices with the highest Topiramate volumes.

Regional volumes from NHSBSA Prescription Cost Analysis; practice volumes from NHS dispensing data.

Compare Topiramate with

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