Here is list of things outside of certain foods eaten that can contribute to a rise in your blood sugar levels,
Stress, illness, infection, dental work, steroids,cortisone injections,antibiotics,innoculations,some types
of medications [ please check with your GP] clinical investigations too can rise/spike the blood sugar levels .
Please ALWAYS follow your GP or HCP advice ...
Ask any questions of concern too .
Write notes down prior to visting your GP or HCP .
Take along a friend/relative for moral support if you wish .