Blood type test requires fasting

Many tests require the patient to be fasting in order to obtain more accurate test data, especially blood tests. Because the changes in blood between fasting and after meals fluctuate greatly, it is not easy to obtain data that more accurately reflects the patient's physical condition if the blood test is performed after a meal. Because everyone's genes are different, the blood types are also different. But do you need to fast when testing your blood type?

When preparing for a physical examination, it is recommended to avoid eating and strenuous exercise after 8 pm before the examination and get enough sleep. Women should avoid menstruation. A few days before the physical examination, you should pay attention to your diet, avoid eating too much greasy or indigestible food, do not drink alcohol, and do not take medications that may damage your liver or kidney function. The day before the physical examination, you should pay attention to rest, avoid strenuous exercise and emotional excitement, and ensure adequate sleep to avoid affecting the results of the physical examination. If you wear glasses, you must wear them. On the day of the physical examination, do not wear makeup, dresses or pantyhose. If you have ever had surgery, please bring relevant medical records and information. You should not eat or drink anything on the morning of the physical examination. When undergoing prostate or gynecological B-ultrasound examination, please keep your bladder full (distended with urine). If you need a gynecological examination, please empty your bladder before going to the gynecological clinic. If you are pregnant, please do not have an X-ray. Different regions, different levels and different packages have different charges. I wish you good health.

A routine blood test does not require fasting, but we generally require patients to do so on an empty stomach because...

First, the standard values ​​of many blood tests are determined by fasting patients. In other words, the standard values ​​are based on fasting patients.

Second, if you need to test other items at the same time as the routine test, and if the other items require fasting, you don’t need to draw again the next day. Just one shot will do the trick, so we usually recommend that patients come in on an empty stomach, just in case.

Like blood routine, hormone, and immune tests. Whether you are fasting or not has little effect on the results, so if you accidentally eat something, it’s not a big deal. However, there are strict requirements for things like blood sugar, blood lipids, and liver function. Because eating will have a greater impact on the results

So I suggest you go on an empty stomach. As for whether to take medicine or not, you should ask the doctor. If the doctor asks you to stop taking the medicine and then test it, or to test it during taking the medicine, it depends on the specific situation.