Taking Irbesartan can be switched to Timosartan, which should be given in the appropriate dosage under the guidance of a physician. Irbesartan and timosartan are both angiotensin II receptor antagonists, both of which have a similar mechanism of action, patients who are taking Irbesartan can be treated with oral timosartan if they are drug-free, but the specific dosage of the change in medication should be in accordance with medical advice. Timosartan belongs to the western prescription drugs, the main clinical indications for hypertension, hypertension with renal insufficiency, cardiac insufficiency patients can choose timosartan treatment, this drug has a protective effect on renal function and cardiac function. The adverse reactions of timosartan include flu-like symptoms, nausea, headache, dizziness, fatigue, cough, limb edema, etc. It is contraindicated in patients who are allergic to the drug components, women in the middle and late stages of pregnancy as well as breastfeeding, and patients with severe hepatic and renal insufficiency. Adverse reactions of Irbesartan include postural hypotension, postural dizziness, headache, tinnitus, elevated blood potassium, etc. It is contraindicated in patients who are allergic to the components of the drug, in the late stages of pregnancy and lactating women. When Irbesartan is replaced with Timosartan, use the medication under the guidance of a physician and avoid self-adjustment.