Theophylline and guaifenesin - thee-OFF-i-lin and gwye-FEN-e-sin combination is using to treat or prevent the symptoms of asthma or to treat chronic bronchitis and emphysema. This drug relieves cough, wheezing, shortness of breath, and troubled breathing. It works by opening up the bronchial tubes - air passages of the lungs and increasing the flow of air through them.
This drug is available only with your family doctor's prescription, in the following dosage forms:
Some commonly using brand names are:
In the USA
Generic name product may be available in the USA
Another commonly using name is theophylline and glyceryl guaiacolate .
† Not commercially available in Canada.