There is no accurate data on how much blood pressure can be lowered by timosartan 40mg, and different patients may have different reactions. Timosartan’s main role is to inhibit the body’s angiotensin II receptor, peripheral blood vessels have a dilating effect, the main clinical indications are hypertension. 40mg timosartan can lower how much blood pressure clinical no accurate data, different patients for the different response to the drug, even if the same dosage of timosartan lowering effect is also a significant difference. Timosartan belongs to the western prescription drugs, more suitable for hypertension combined with renal insufficiency, cardiac insufficiency patients treatment, for the heart and kidneys have a protective effect, the adverse effects of the drug has upright dizziness, upright hypotension, tinnitus, skeletal muscle pain, etc., for the drug components allergy, late pregnancy and lactation, severe renal insufficiency patients are prohibited. Timosartan should be under the guidance of a physician to choose the appropriate dose, avoid self-medication.