Can a food allergy cause ear popping and plugged up feeling?

Yes. Try to figure out what foods or ingredients that may be causing this and either remove them from your diet or simply taking a zyrtec or Claritin (loratadine) may help out.

Related Questions

It is possible that a food allergy causes ear popping and crackling?

Not likely. Food allergy reactions typically cause rash, hives, swelling, diarrhea and other GI symptoms. Ear popping/crackling is suggestive of eustachian tube dysfunction that is more commonly seen in environmental allergies leading to nasal congestion. Read more...