The studies of valsartan monotherapy included over 2000 patients randomized to various doses of valsartan and about 800 patients randomized to placebo. WebMD does not endorse any specific product, service, or treatment. 5, and its structural formula is Valsartan is white to practically white fine powder. At Risk for Heart Disease? Thanks to new technology, in just 15 seconds you can tell if you re at risk for heart disease. It cannot be determined whether these events were causally related to Diovan. The doctor may increase the dose to 80 comparison diovan and micardis or 160 milligrams twice daily depending on your tolerance for the drug. Consult your pharmacist or local waste disposal company for more details about how to safely discard your product.