Thanks for writing to us.
If you are not a diabetic than why are you taking such high dose of metformin
or you mean to say 250 mg of Metformin.
Its ok if you feel like eating in Mcdonald once in while. Everybody gets craving like this so there is no need to feel guilty about this. You can go ahead & have whatever you like if you are not diabetic. But dont make it a habit.
When you eat some healthy & high calorie food try to compensate this by doing some more exercise for extra time. In that ways you can enjoy whatever you like & also control your weight.
Get your blood sugar levels done & get back to us to decide whether Metformin needs to be continued or dose needs to be adjusted.