Generally, when using Nifedipine Controlled Release Tablets to lower blood pressure, blood pressure can be controlled within the normal range, and there are no serious adverse reactions, and Nifedipine Controlled Release Tablets can be taken for a long time. However, it should be noted that adverse reactions such as gum enlargement and bilateral lower limb edema may occur when using Nifedipine Controlled Release Tablets, so it is important to remember to keep your mouth clean during use. Nifedipine controlled-release tablets are controlled-release dosage forms, so it is recommended that they must not be broken, broken up, or chewed when used, but must be taken whole with warm water. In addition, some careful patients may find that the crust of nifedipine controlled release tablets may be seen in the stool, in fact, do not worry, this crust is the empty crust of nifedipine controlled release tablets, the complete tablet has been absorbed by the body.