I've been taking two metformin 500mg tabs twice a day since June 15, 2013. I have a 60 tab prescription that I'm just about out off and have been unable to connect with my doctor to make a refill. I have enough tabs to get through Saturday evening. What do I have to watch out for over the weekend until I can get someone to refill this prescription on Monday? My primary doctor is on vacation. I'm sure my blood sugar will go up. I'm a new diabetic and don't know what to expect.
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