there are literally hundreds of causes of vertigo. if your allergies are affecting your ear namely your middle or inner ear then it could cause temporary vertigo. that may be difficult to prove however in light of the many other causes that may need to be considered.
is vertigo an allergy symptom. i have had a cold and laryngitis several times since january. also i am ending my 2nd 3 day bought of vertigo in the same time period although i am sneezing and coughing a bit also.