Thus as it passes out by the bronchial mucous membrane it increases the amount of secretion and so acts as an expectorant.

It is employed in medicine as an expectorant.

Grieve mentions that the antiseptic tar has been used internally as a stimulating expectorant in chronic bronchitis.

expectorant action on the chest.

expectorant, antiemetic properties.

expectorant in chronic bronchitis, with much secretion.

Expectorant: clears phlegm from the chest by inducing coughing.

Thus as it passes out by the bronchial mucous membrane it increases the amount of secretion and so acts as an expectorant.

It is employed in medicine as an expectorant.

The mucilage also acts as an expectorant which helps break up any mucous that is present.

Guaifenesin, the only medicinal product in common use as an expectorant, is an ingredient in many cough medicines, such as Anti-Tuss, Dristan Cold & Cough, Guaifed, GuaiCough, and some Robitussin products.

There is some dispute, even among experts, about whether guaifenesin is an effective expectorant.

"What's the difference between an expectorant and a cough suppressant?"

Expectorant cough medicines, unlike cough suppressants, do not stop the cough.

These other treatments include suctioning, nebulizer treatments, and the administering expectorant drugs.