Contrary to common belief,teething does NOT lead to fever or loose motions. At this age,give 1 solid meal including curd and Banana in the diet,and 5-6 milk feeds including one top formula feed,using a katori and spoon to give top milk. Add Enterogermina vial half vial twice a day for 5 days. Maintain strict hygiene in preparation and giving of top feed and meal. If not improving in 3 days,or accompanied by other symptoms like vomiting or fever or dullness and refusal to feed,consult your paediatrician.