Could Someone Please Tell Me, If Hard Time Breathing Possibly An Allergy Symptom As Well?

I have hard time breathing, my nose is also stuffed most of the time. Last night I woke up, cause I felt like I did not have enough of air to breath. Could this possible be an allergy symptom?Thank you!

Pediatric Rn’s:can A Milk Allergy Be Possible If The Only Symptom Is Waking During The Night?

This is related to the sleep/nap question posted nearby. A book we consulted suggests that waking could be a result of a milk allergy. I would think this would manifest some other symptom besides waking. He doesn’t spit up, (he often did on formula, though) he doesn’t have a runny nose, and he hasn’t any [...]