Answer
Sudafed Decongestant Liquid containing pseudoephedrine hydrochloride lists sucrose, methyl hydroxybenzoate (E218) and Ponceau 4R (E124) as excipients with known effects.
Sources for this answer
- Sudafed Decongestant LiquidMcNeil Products Ltd · emc · SmPC §2 Qualitative and quantitative composition · Version 14Document updated
Sources checked