How old is your baby? If less than 6 months continue with breastfeed and give water in sipper or usinh dropper.. Stomach upset is normal when teething.. if possible add APTAMIL fm.. it helped my baby a lot..

I think a certified doctor can give a perfect diet chart but we gave sbl homeopathic medicine for teething. You can also give good diet to the baby for stool issues. Aptamil has rich amount of prebiotics that helps in gut strengthening and easy digestion as well. Do try.

Give pommagranite juice its good for motions during teething and feed the baby with mothers breastmilk which is good for babies immunity and invade case of not able to feed then u can give a formula milk which z closest to mothers breast milk and that which contains prebiotics in it which will help baby to sustain during motions

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