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PharmaInsight

Fluoxetine hydrochloride vs Tryptophan

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

Fluoxetine hydrochloride was dispensed 10,170.5× as often as Tryptophan in March 2026 — 650,914 items versus 64 in England.

650,914items

Fluoxetine hydrochloride · March 2026

NHSBSA Prescription Cost Analysis

64items

Tryptophan · March 2026

NHSBSA Prescription Cost Analysis

Figure 1. Fluoxetine hydrochloride versus Tryptophan: national items dispensed by month

▬ Fluoxetine hydrochloride   ·   ╌ Tryptophan

Tryptophan 650,914

Source: NHSBSA Prescription Cost Analysis, to March 2026

Fluoxetine hydrochloride versus Tryptophan, March 2026
Measure Fluoxetine hydrochloride Tryptophan
Items, March 2026 650,914 64
Items, last 12 months 7,603,442 829
Net ingredient cost, March 2026 £2,113,519 £4,884

See the full profile for Fluoxetine hydrochloride or Tryptophan.