I am 76 years of age and am taking the following. Are there any drug interactions that might occur with any of these? Gabapentin (recently diagnosised peripheral neuropathy), Sulphametholxaazole-temp for chronic UT Is, Clarinex, Qvar (when needed for asthma), Cozaar, Folic Acid, Hydrochlorothiazide, Crestor and Metoprolol Tartrate. Thank you.