Shi Huida generally refers to levamlodipine benzenesulfonate tablets, there is no clear clinical data to indicate whether taking 1/4 is effective, patients need to strictly follow the doctor’s instructions to use the drug. Levamlodipine benzenesulfonate tablets are mainly used for the treatment of hypertension and angina pectoris, and the specification of the drug is generally 2.5 mg, usually the initial dose of 2.5 mg once a day, but also according to the patient’s clinical symptoms, the appropriate increase in dosage, the maximum dose of 5 mg once a day. However, there is no clinical data indicating whether taking 1/4 benzenesulfonic acid levamlodipine tablets is effective or not, patients need to strictly follow the doctor’s instructions to avoid unauthorized reduction of dosage, so as not to affect the efficacy of the drug. And some patients may experience adverse reactions such as headache, nausea, fatigue, edema, etc. after taking the drug, which can also be manifested as palpitations, stiffness, weight gain and so on. Meanwhile, patients with impaired liver function need to use the drug with caution, while patients with impaired renal function can take the normal dose, but it is forbidden for those who are allergic to dihydropyridine calcium antagonists. It is recommended that patients take levamlodipine benzenesulfonate tablets under the guidance of a doctor, and read the instructions carefully before using the drug to clarify its contraindications.