And if you can test but you're feeling really low, it's probably better to treat for low blood glucose and then test your blood within the next couple of minutes. If you don't feel better after 15 or 20 minutes, check your blood glucose again. Either call your doctor or go to the emergency room. Your doctor, diabetes educator, or dietitian may have recommended that you keep a supply of a sugar source at home, in your office, and in your glove compartment if you drive. In addition, always carry a product with fast-acting sugar in your pocket or purse.
Some common sources are fruit juices, raisins, sugar cubes, or a couple of pieces of hard candy.
In addition to juice and other quick-acting carbohydrates, such as honey, syrup, or regular soft drinks, there also are commercially manufactured products you can buy to treat low blood glucose. If you are wondering whether you should spend money on one of these products, consider these three points. How Fast It Works. Reaction-product manufacturers claim their products work faster than foods in treating low blood glucose. A little basic information will help you understand their argument.