Amlodipine Benadryl Tablets (Ⅰ) is a single tablet compound preparation, mainly used for patients whose blood pressure cannot be controlled satisfactorily by taking Amlodipine or Benadryl alone or taking Amlodipine and Benadryl tablets at the same time, but there will be dry cough, lower limb edema and other adverse reactions during the use of the drug. Amlodipine Benadryl Tablets (Ⅰ) patients with mild edema generally reduce the dose of the drug or stop the drug, edema can be naturally recovered, but continue to use the drug, edema will not disappear naturally. Some patients continue to take the drug, edema will continue to aggravate, this situation needs to consult a doctor in a timely manner, under the guidance of the doctor to stop the drug, adjust the dosage of the drug or use other kinds of antihypertensive drugs to replace the treatment, the symptoms of serious patients may need to use furosemide tablets, torasemide tablets and other diuretic drugs for symptomatic treatment. Amlodipine Benadryl Tablets (Ⅰ) has outstanding antihypertensive effect, but also has side effects, need to follow the guidance of professional doctors.