thats definitely infective. wound need dietary precautions as well as medicines for the same. Avoid Hotel Food, Avoid Fast food,Hamburgers, Pizza.Do not take any COLD drinks , cold water, ice cream, chilled food from refrigerator. Take warm or hot drinks often – hot tea , hot coffee,hot Soups, hot milk. Avoid Fried/Oily foods like –Samosa, Dosa, Pakora, Papad, Namkeens, Potato Chips , Namkeens . Take soft foods like rice Gurrel (Khichdi), Plain daal, boiled vegetables.Avoid Chillies completely. Take plain warm water, Cocunut water, Enerzal in warm water.Avoid Cold Milk , Meat Products ,Fried rice and noodles. Avoid Sour fruits like Citrus fruits, grapes . Avoid heavy meals, eat small frequent meals. Avoid Alcoholic drinks of all kinds like Beer, Wine,whisky,vodka etc.Warm saline gargles thrice daily. Steam inhalation thrice daily.Rest for 5 days

Had upper respiratory tract infection

Hello Did any blood tests? Does he have vomiting or loose stools Need to know in detail