Visit ur doctor And keep him hydrated

Give him lot to ORS and keep him hydrated.

At this age,give just 2 milk feeds including one top milk feed using a glass or spoon and katori and 4 solid meals including curd and Banana in the diet. Give ors after every loose motion if watery and add Enterogermina vial one vial twice a day for 5 days. If mild,just give steam inhalations for cold and cough and decongestant nasal drops for nasal block or increased cough on lying down. Use paracetamol for fever if required. If not improving OR accompanied by other symptoms like vomiting or fever or dullness and refusal to feed consult with your paediatrician or me here.

kindly keep him well hydrated with ORS, rice kanji, dal water. get him evaluated by a pediatrician at the earliest. avoid milk and juices in the meantime.