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Pharmacology: Pharmacodynamics: Carbocysteine is a mucolytic agent in thiol group and the mechanism of its action is unclear. It virtually acts on the mucosa of the airway by altering the synthesis of respiratory mucus which is produced by irritated mucosa and liquefying the mucus for easy expectoration.
Pharmacokinetics: Carbocysteine is rapidly and well absorbed from the gastrointestinal tract with peak plasma concentrations occurring about 2 hours after oral administration. It appears to penetrate into lung tissue and respiratory mucus. The drug is excreted in the urine as unchanged drug and metabolites.
