Hi, My 2 Year Son, Showes The Sumptomes Of Severe

hi, my 2 year son, showes the sumptomes of severe cold with green gunky out of his nose, and out of his eyes, his tempratures goes high around 38 and by using Rectal ACET it gets better and he starts palying again, But what makes ma scared is that He refuses eating. He has not had any thing since last night and had vomiting once yesterday and once now, he has just taken around 200 ml of milk since last night (now it is 9 pm) Should I go to hospital?