Allegra Duo Nasal Spray is used for Allergic rhinitis (hay fever) symptoms such as blocked nose/nasal congestion, runny nose, sneezing and nasal itching..
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated August 2026
Always follow your doctor's prescription. Do not self-medicate.
Doctor-issued medical certificate online, from ₹499.