It is supposed to help suppress and numb bronchial tubes but the 100 mg is not doing ANY thing... :/ (one capsule)... Has anyone taken two (200mg)? I read online it is ok to take t... moreIt is supposed to help suppress and numb bronchial tubes but the 100 mg is not doing ANY thing... :/ (one capsule)... Has anyone taken two (200mg)? I read online it is ok to take two, but no more, at one dose. Anyone with experience with this drug ? All on call docs have gone home.. I just figured I check here as well