Guide to fasting conditions
1- For morning fasting, eat a typical dinner, the night before and go to the lab fasting, next morning to do the test, (no breakfast).
2- Avoid drinking juices, tea, and coffee during fasting periods. Drinking water is a barrier, unless the doctor has been warned about drinking water restrictions.
3- Tests such as glucose testing, need at least 8 hours fasting, and for fat and cholesterol tests, 10-12 hours of fasting is required. In children younger than 3 years of age, the test is required for a short period of fasting (about 3-4 hours).
4. Avoid smoking, chewing gum, exercise and exercise during the fasting period. These may lead to stimulation of the digestive and muscular system and changes in the test results.