The only safe bet is by way of Ayurvedic herbals for such toddlers which exert a saying that the action of such herbs is such that mother can be angry but not these herb. These herbs and combo of herbominerals are cleansing the gut, flaring the appetite and improving the digestion in a most safe way by removing toxins out of body. Infection of oral cavity are safely corrected by application of IRIMEDADI TEL etc. To.my own patients I would recommend licking of myrobalan, Shankh bhasm, agnideepak churna, ARVINDASAV or Pathyadi Kwath in minute quantities. Vomiting is also controlled naturally by coconut water, coconut husk ash, Bachaturbhadrika chooran etc. Pl consult by direct question before initiating the treatment step by step or meet any Ayurveda doctor near you. The results are likely to be evident in first week of treatment. Hope it helps.