Can I eat dinner the night before a physical examination?

There are many benefits of regular annual physical examinations. Through physical examination, many potential diseases can be detected, enabling early detection and treatment. There are many items in the physical examination. Generally, physical examination usually requires fasting, but dinner can be eaten on the evening before the physical examination. Eating and drinking after dinner should be avoided from that evening to the morning of the physical examination, and fasting for at least eight hours is required.

Yes, you can eat dinner on the evening before the physical examination. If the physical examination requires fasting, you should not eat or drink anything for eight hours before the blood draw. Eating or drinking will affect the test results of liver function. The normal reference values of many laboratory results are derived from fasting blood samples from normal people. If tests are performed after eating, the normal reference values will be meaningless. If you eat dinner on the evening before the physical examination, it is recommended to postpone the time of the physical examination on the second day. Digestion of food in the body generally takes eight hours.

2.1. Do not drink excessively before the physical examination. Eating too greasy food or drinking alcohol before the physical examination can affect the test results, and may even lead to a significant increase in blood viscosity or symptoms of alcoholic liver disease.

2.2. Avoid strenuous exercise. Participating in long-distance running before the physical examination can lead to significant acceleration of the heartbeat, which can affect the test results. High blood pressure or palpitation may be detected during the physical examination, which are actually symptoms caused by excessive exercise.

2.3. Female physical examination should avoid menstrual period. Female patients should avoid menstrual period during physical examination, as it can lead to inaccurate test results.

2.4. No water or food should be consumed after dinner on the evening before the physical examination. Due to different examination items, there are different requirements for the examinee during the physical examination. If liver function tests are to be performed, it is necessary to refrain from eating any food and be in a fasting state to obtain more accurate test results.

2.5. Do not take medication before the physical examination. Residual drugs can stay in the human blood after taking medication, so taking medication before the physical examination can affect the test results.