Suggest Treatment For Upper Respiratory Tract Infection

I have been coughing terribly with Muchas drainage in my throat, it s like an attack! I start sneezing & my eyes water, sometimes I throw up a bunch of Phylem! I need to know if this caused from some of my Meds, I think it is! I used to take Linsiphril & I used to have to throw up globs of Phlem everyday till I figured it out. Please help me,my Dr won t believe me! Here s the meds: Metoprolol-ER 50mg Diltiaz-ER (CD) 180/24 Losartan -HCTZ.100-25mg Could these meds be causing me these issues?