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Answer:Control solution is used to validate the accuracy of the meter. It is important to run periodic control tests to ensure that the meter and test strips are functioning and giving reliable results.

It is essential that people with diabetes keep their blood sugar levels in their target range. Glucose control will prevent the onset of diabetes-related complications such as heart disease, neuropathy (nerve pain), nephropathy (kidney disease), and retinopathy (retina damage).

Although control tests may be performed at any time, these tests are strongly recommended:

There is no universal control solution. Most companies manufacture a control solution that is specific to a particular strip.

Find more health and self-care information in our comprehensive Diabetes Center.

See our blood glucose meter comparison chart for further information on meters.

View diabetic monitors and test strips available on Walgreens.com.

View the Walgreens.com Ask a Pharmacist Archives for a list of all commonly asked questions.

DISCLAIMER: The information provided is not a substitute for medical advice. Consult your physician for diagnosis and treatment of your medical condition. Advances in medicine may cause this information to become outdated, invalid or subject to debate. Professional opinions and interpretations of the scientific literature may vary. Walgreens' terms of use and general warranty disclaimer apply to all services provided. If you are in need of immediate medical attention, contact your physician, poison control center or emergency medical professional. If you need to speak with a pharmacist for non-emergency matters, contact your local Walgreens pharmacist or call a Walgreens.com pharmacist toll-free at 1-877-250-5823.