Pug Respiratory Problems My 2 Month Old Pug Some Times Ejects Out Phlem From Nose And Mouth And Shakes His Head Becomes Restless?

My 2 month old pug some times ejects out phlem from nose and mouth and shakes his head becomes restless? - pug respiratory problems

when he sits with his head and chills when I sleep, I do not know if it's for food or because some allergies Oris with seizures or respiratory diseases