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Medicines acetylcysteineQuestion & answer

acetylcysteine · Medicine question

How does acetylcysteine reduce the viscosity of mucus?

iatroX medicinesPublished 8 November 2026

The answer

Answer

Acetylcysteine reduces mucus viscosity through its free sulphydryl group, which opens disulphide bonds present in mucus.

Sources for this answer

Ilube Eye DropsRayner Pharmaceuticals Limited · emc · SmPC §5.1 Pharmacodynamic properties · Version 15Document updated 17 February 2023

Sources checked 8 November 2026

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acetylcysteine

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