HealthWise KnowledgeBase
Self-Test for Breath Alcohol
How To Prepare
General instructions
- Check the expiration date on the package. Don't use the test if the expiration date has passed.
- Store the testing device correctly. If the device should be stored in the refrigerator or kept in a cool place, make sure you place it in an appropriate storage area.
- Follow the instructions exactly. All test kits come with detailed instructions. Carefully read the instructions that come with your test before using it. Many test kits include a toll-free number you can call for more information.
- Note any special instructions you need to follow before you take the test. These might include avoiding certain foods or medicines.
- Follow every step of the instructions carefully.
- Prepare and handle everything exactly as the instructions tell you.
- Follow all the steps in sequence. Don't skip any steps.
- If a step in the test needs to be timed, use a watch. Don't guess.
- Know your limits. If you are Reference color-blind Opens New Window or have trouble distinguishing colors, have someone else read the test results for you. For some tests, you need to be able to see color changes in a test area or window.
Specific instructions
- Wait at least 15 minutes after having an alcoholic drink before testing your BAC. Trace amounts of alcohol left in your mouth from a recent drink or the use of mouthwash or mouth spray, such as mouth sprays to relieve a sore throat, can give false results.
- Do not smoke for 1 to 5 minutes before testing your BAC. Do not blow smoke into the device.
- Take at least two separate readings 15 minutes apart.
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