Bookmark this page: Privacy Policy Allergies fedex salmeterol sem priscription Asthma Improve treatments prevent attacks. Other drugs besides salmeterol which may affect the heart rhythm QTc prolongation in the EKG include amiodarone, dofetilide, pimozide, procainamide, quinidine, sotalol, and sparfloxacin, among others. Pneumonia adverse events by post-bronchodilator FEV1 predicted at baseline DiscussionLarge prospective randomized clinical trials are designed to report their pre-specified outcomes in the recruited population. If you are currently using any of these medications listed above, tell your doctor or pharmacist before starting this product. Metabolism: Salmeterol base is extensively metabol ized by hydroxylation, with subsequent elimination predominantly in the feces. The xinafoate moiety is highly protein bound 99 and has long elimination half-life of 11 days.