my son has swollen eyelid 3 days back he was unable to open his eye we took him to pediatrician and he said nothing to worry and it's from some insect bite he prescribed histafree, eye drops and fusibet cream.. now swelling has reduced significantly and he is able to open his eye ypto 80% but now he is complaining of throat pain and mild headache he already has cold and cough..is it ok or should I get him checked again.