SIDE EFFECTS: Valsartan is generally well-tolerated. The most common side effects are:
Other important side effects are:
GENERIC AVAILABLE: Yes
PREPARATIONS: Tablets: 40, 80, 160 and 320 mg. Tablets are scored and can be split.
STORAGE: Capsules should be stored at room temperature, 15-30 C (59-86 F).
DOSING: The usual dose of valsartan for adults with high blood pressure is 80 to 160 mg once daily. The maximum dose is 320 mg daily. Maximum blood pressure reduction occurs within 4 weeks. For congestive heart failure, the usual dose is 40 mg twice daily. The doses may be increased to 80-160 mg twice daily. The initial dose after a heart attack is 20 mg twice daily. The dose may be increased to 160 mg twice daily if tolerated without side effects.
DRUG INTERACTIONS: Combining valsartan with potassium-sparing diuretics (for example., spironolactone (Aldactone), triamterene, amiloride), potassium supplements, or salt substitutes containing potassium may lead to hyperkalemia (elevated potassium in the blood) and in heart failure patients, it increases serum creatinine, a blood test used for monitoring function of the kidneys.
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