Guaifenesin
National NHS prescribing (Prescription Cost Analysis) · Cough preparations
Guaifenesin was ranked 1193rd of 1,794 medicines by items in March 2026, with 139 items, up 3.0% on a year earlier.
139items
Dispensed in March 2026
NHSBSA Prescription Cost Analysis
£795
Net ingredient cost · March 2026
NHSBSA PCA
1,402items
Dispensed in the last 12 months
NHSBSA PCA
Figure 1. Guaifenesin: national items dispensed by month
Source: NHSBSA Prescription Cost Analysis, to March 2026
Embed this chart
Top presentations, March 2026
The individual products dispensed under Guaifenesin, by items this month.
| Presentation | Items | Net ingredient cost |
|---|---|---|
| Robitussin Chesty Cough 100mg/5ml oral solution | 83 | £531 |
| Covonia Chesty Cough Sugar Free syrup | 22 | £107 |
| Benylin Mucus Cough Max Honey & Lemon Flavour 100mg/5ml syr | 15 | £76 |
| Benylin Chesty Coughs Non-Drowsy oral solution | 12 | £57 |
| Benylin Children's Chesty Coughs 50mg/5ml oral solution | 3 | £9 |
| Benylin Mucus Cough Max Menthol 100mg/5ml oral solution | 3 | £14 |
| Bell's Mucus Cough 100mg/5ml oral solution | 1 | £2 |
Compare Guaifenesin with
Other medicines in the same BNF section, by prescribing volume.