ds (4) started coughing friday and it sounds a bit like a seal, gp checked him friday and said that his chest was clear, he coughs and coughs is ok for ten mins then will cough again, i have a humidifier in his room and covered him vicks, his nose is really snotty and i can hear him swallowing it, his temp is ok and he has eaten well today, he sounds nasaly, is there anything more i can do