COMPOSITION: Each 5ml contains 100mg of Carbocisteine. Also contains Methyl Paraben and Propyl Paraben. Clinical Pharmacology Pharmacodynamics: Carbocisteine (S-carboxymethyl L-cysteine) has been shown in normal and bronchitic animal models to affect the nature and amount of mucus glycoprotein which is secreted by the respiratory tract. . Studies in humans have demonstrated that carbocisteine reduces goblet cell hyperplasia. Carbocisteine can therefore be demonstrated to have a role in the management of disorders characterised by abnormal mucus