Diovan drinking waterWhat should I avoid while taking valsartan (Diovan)? Avoid drinking alcohol. 5 of HCTZ Don't smoke, don't drink, don't get enough exercise. . . I also lost virtually ALL of my sex drive. Physician reviewed Diovan HCT patient information . . . . . . PATIENT INFORMATION DIOVAN HCT (DYE'-o-van HCT) (valsartan . He was so very kind and looked at me and said "that this is a reaction to the Diovan HCT and get off them immediately and go back to the regular Diovan, drink water un... more