If the replacement of antihypertensive drugs, you can replace the drugs such as felodipine, amlodipine benzenesulfonate tablets. Irbesartan tablets are mainly used in the treatment of essential hypertension, sometimes also used in the treatment of type 2 diabetic nephropathy combined with hypertension, if this drug is allergic, can be replaced by other antihypertensive drugs, such as felodipine tablets, amlodipine benzenesulfonate tablets and so on. Felodipine tablets are mainly used for mild and moderate essential hypertension, usually taken orally on an empty stomach, some patients will have headache, palpitations (rapid heartbeat, often accompanied by panic) and other symptoms, allergic to this drug is prohibited, pregnant women, acute heart failure is prohibited. Amlodipine benzenesulfonate tablets are mainly used for hypertension, coronary heart disease, usually early in the morning on an empty stomach, after taking the drug or with chest pain, dizziness and other adverse reactions, allergic to this drug is prohibited. It is recommended that allergic symptoms, timely consultation, if necessary, to do allergen testing, to determine whether it will be allergic to it medicine, medication and change of medication should be under the guidance of the doctor to use medication, daily compliance with the doctor’s instructions to take medication, do not recommend self-replacement of medication, so as not to cause other damage.