Taking metformin for antipsych drug weight gain have question

Hi so I’ve considerably gained weight because of regular use of Paliperidone or Invega.

I’ve become prediabetic and so taking metformin tablets.

However taking metformin tablets makes me urinate many times a day. Does someone else have this same urination affect from metformin? Some feedback would be appreciated. thanks!

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Hi! How long have you been on it? I am on pills since one year and half ago