Male age 70, aortic valve replacement May 2016, stent in March 2016 in circumflex artery and is on Brlinita for that. He Has some sinus congestion, a cough, spit up phlegm sometimes, temperature 100.2, normal BP 127/60, pulse 116-118. He is no longer in BP meds per cardiologist. He has been using cough syrup Robitussin DM, and Advil, and honey lemon cough drops. Only other RX is Atorvastatin. He feels tired. Any suggestions?