Guaifenesin

It is an expentorant. This is also called as Glyceryl guaiacolate. This is one of the medicine to be used Over the Counter. It is often used in combination with anti-histamines, decongestants and anti-tussives in combination products.


Action:
It is used for reducing the viscosity of the sputum by increasing respiratory tract fluid and thus helps in expectoration.

Therapeutic Uses:
This is used for symptomatic treatment of cough associated with common cold, influenza, pertussis, pharyngitis or bronchitis. (If there is persistant cough for more than one week than a physician should be consulted).

Administration and dosage:
It is taken orally and in some cases extended release tablets are also there. Its usual dosage in adults and children over 12 years is 200-400 mg every 4 hours.

Adverse Effects:
GI tract disturbance at ordinary dosage level is rare. Higher doses may cause emesis.