Nasal congestion caused by allergies can make you feel miserable. Find the relief you need with Triamcinolone Acetonide Nasal Allergy Spray, 55 mcg per spray. This non-drowsy, multi-symptom nasal spray provides up to 24 hours of relief from symptoms of hay fever or other upper respiratory allergies such as nasal congestion, sneezing, runny and itchy nose.