Inventors:
Anthony Booth - Chester NJ, US
William T. Sherman - Hendersonville NC, US
Peter Raven - Fort Worth TX, US
James L. Caffrey - Burelson TX, US
Thomas Yorio - Burelson TX, US
Michael Forster - Fort Worth TX, US
Patricia Gwirtz - Fort Worth TX, US
International Classification:
A61K 31/137, A61P 11/00
Abstract:
The present invention provides pharmaceutical compositions which include (−)-pseudoephedrine and a pharmaceutically acceptable carrier, wherein the (−)-pseudoephedrine is substantially-free of (+)-pseudoephedrine. In another embodiment, the present invention provides methods of relieving nasal and bronchial congestion and of inducing pupil dilation which include administering a pharmaceutically effective amount of (−)-pseudoephedrine to a mammal. The (−)-pseudoephedrine used in the present methods is substantially free of (+)-pseudoephedrine and also substantially free of side effects caused by administration of (+)-pseudoephedrine.