Metformin shouldn’t affect the appetite but it can irritate mucous membranes in the mouth—which may put them off food. Have you been rinsing her mouth post-syringing, or mixing the metformin with a buffer such as milk of magnesia? Many members have found this effective.
Maxine and Indy (PPID) and Dangles (PPID)
Canberra, Australia 2010