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PharmaInsight

Mesalazine (Systemic) vs Olsalazine sodium

National NHS prescribing compared (Prescription Cost Analysis)
Data updated March 2026

Mesalazine (Systemic) was dispensed 211.8× as often as Olsalazine sodium in March 2026 — 136,369 items versus 644 in England.

136,369items

Mesalazine (Systemic) · March 2026

NHSBSA Prescription Cost Analysis

644items

Olsalazine sodium · March 2026

NHSBSA Prescription Cost Analysis

Figure 1. Mesalazine (Systemic) versus Olsalazine sodium: national items dispensed by month

▬ Mesalazine (Systemic)   ·   ╌ Olsalazine sodium

Olsalazine sodiu… 136,369

Source: NHSBSA Prescription Cost Analysis, to March 2026

Mesalazine (Systemic) versus Olsalazine sodium, March 2026
Measure Mesalazine (Systemic) Olsalazine sodium
Items, March 2026 136,369 644
Items, last 12 months 1,626,325 7,877
Net ingredient cost, March 2026 £7,840,163 £158,860

See the full profile for Mesalazine (Systemic) or Olsalazine sodium.