Dizziness on 0.15g of Irbesartan and 0.10g of Nifedipine Extended-Release Tablets is usually not a high dose of the drug, but may be a side effect from the drug. Irbesartan is generally recommended starting dose is 0.15g, mainly used to treat high blood pressure, in the use of the drug may have dizziness, postural vertigo, postural hypotension, skeletal muscle pain, hyperkalemia and other adverse reactions. Nifedipine extended-release tablets are usually taken 0.10-0.20g at a time, which is mainly used to treat hypertension and angina pectoris, and may have adverse reactions such as hypertrophy of gums, abdominal pain, nausea, chest pain, headache, dizziness, blushing, blurred vision, palpitations, decreased blood pressure, and swelling of lower limbs after administration. In summary, patients taking 0.15g of Irbesartan and 0.10g of Nifedipine Extended-Release Tablets are in normal dosage and have not been overused. The symptoms of dizziness are usually caused by the side effects of drugs, most of which can be relieved on their own, but when the symptoms are serious, it is recommended to seek medical treatment in time for the corresponding treatment. If such a situation should be timely medical treatment, follow the doctor’s instructions for treatment.