1. Albuterol: It is a combination drug which contains a bronchodilator drug (albuterol, dyphyl-line, formoterol, ipratropium, salmeterol, vilanterol) and/or a corticosteroid drug (budesonide, fluticasone, mometesone), or an expectorant drug (guaifenesin), or an anticholinergic drug (umeclidinium). 2. Ativan: this is an antianxiety drug which is given preoperatively to relieve anxiety and produce sedation and amnesia. They are used prior to endoscopy, cardiac catheterization, and minor surgical/dental procedures. The patient is able to respond to commands to facilitate the procedure but has little memory of events afterwards. These are Schedule IV drugs.