Descriptions. Guaifenesin is used to help clear mucus or phlegm (pronounced flem) from the chest when you have congestion from a cold or flu. It works by thinning the mucus or phlegm in the lungs. This medicine is available both over-the-counter (OTC) and with your doctor's prescription.

CHLORPHENIRAMINE+DEXTROMETHORPHAN+PHENYLEPHRINE belongs to a class of medication called 'cough and cold preparations' primarily used to treat dry cough. Coughing (dry or productive) is the body's way of clearing irritants (like allergens, mucus or smoke) from airways and preventing infection.

new symptoms occur If pregnant or breast-feeding,ask a health professional before use. Keep out of reach of children. In case of overdose get medical help or contact Poison Control Center right away. Directions do not take more than 6 doses in any 24-hour period use enclosed dosage cup or tabelspoon (TBSP) dose as follows or as directed by doctor.

Guaifenesin is used to relieve chest congestion. Guaifenesin may help control symptoms but does not treat the cause of symptoms or speed recovery. Guaifenesin is in a class of medications called expectorants. It works by thinning the mucus in the air passages to make it easier to cough up the mucus and clear the airways.