hello i would like to know if my 16weeks old baby has a sinusites, she is sneezing every day since birth, she has a cogh but nat severe all the time, she ve got dark circles under eyes, she is a bit swollen under and behind the eyes in the beginig of the skull and i think she haas itchy nose. the jp says it s cold...but cold 4 months? is it possible to be a sinusites in that young baby?