Dear F.W.: In general, I recommend against stopping prescription medications without your doctor telling you to, and I hope to help you understand why.
DEAR DR. ROACH: I take 1,000 mg of metformin in the morning and 1,000 mg at night, and my A1C level is 7.2%. I am 80 years old. Is this dose too much? — Anon. ANSWER: A medicine is too much if it ...