Containing a nifedipine extended-release tablet before the physical examination may affect the transaminase elevation. Nifedipine extended-release tablets belong to the calcium channel blocker drugs, after oral administration, it can bind with plasma proteins and have a diastolic effect on vascular smooth muscle, which can achieve the effect of lowering blood pressure. Secondly, it is oxidized and metabolized to inactive substances in the liver and excreted through the kidneys, so it may cause the phenomenon of short-term elevation of liver transaminases. If you need to check the liver function during the physical examination, it is recommended to take blood test after an interval of 4 hours after taking nifedipine extended-release tablets. This will enable the drug concentration of nifedipine extended-release tablets to be reduced, or even completely metabolized, so that the results of the examination will not be significantly affected. Nifedipine extended-release tablets may cause dizziness, redness, nausea, vomiting and other discomforts; allergic to the components of the drug, unstable angina pectoris is prohibited; need to monitor the blood pressure and liver and kidney function in the course of taking the drug; and pregnant women and lactating women need to be guided by a doctor to use the drug. All of the above medications should be used under the guidance of a doctor, avoid self-medication to avoid adverse consequences. If you need to take medication before the physical examination, you can consult with a professional physician to see if you can adjust your medication regimen.