Medications that can affect glucose levels and Glucometer differences:
 

Be aware of this, especially if you are testing yourself.

Discuss with your doctor anything you question. And avoid these if you are doing a fasting glucose test for medical checkups.

This is another link with more drugs listed in detail (instead of generally)

http://www.dlife.com/diabetes/type-2...-blood-glucose

Differences between glucometers:
 

http://www.healthreform.biz/health/h...r-glucometers/

Notice that other sugars in the diet (from food or candy or some drug products) may give inaccurate readings on some glucometers. So read your directions carefully.

One Touch for example is not affected. This should be listed in your pamphlet that comes with your meter.

More on glucometers:
This post has a link to which glucometers read false highs with other sugars (not glucose).
http://neurotalk.psychcentral.com/post754069-38.html

Also I found one PubMed stating that maltodextrin (which is in alot of processed foods) also raises readings on some home glucometer units.

bumping up for a new link:
 

This discusses glucometers, types, and accuracy features:

http://forecast.diabetes.org/meters-jan2013