Diovan HCT (hydrochlorothiazide / valsartan) for High Blood Pressure: Works fine in controlling my BP with no noticeable side effects Diovan HCT (hydrochlorothiazide / valsartan) for High Blood Pressure: I have been on this only since December 2007, but it has made a difference in my life. No more swollen ankles, I sleep better at night, and I have more energy. Works great, with no side effects. Diovan HCT (hydrochlorothiazide / valsartan) for High Blood Pressure: I used Diovan with Metoprolol Tartrate. Had to discontinue the metoprolol because it was interfering with my breathing. Now I feel much better just on the Diovan.
