Azelastine: Effects, Uses, Side Effects
How azelastine works In allergies, for example to grass pollen or animal hair, substances that are actually harmless (allergens) trigger an excessive immune reaction in the body. Experts have not yet conclusively clarified why this happens in some people. However, the course of an allergic reaction is now very well understood and has enabled the … Azelastine: Effects, Uses, Side Effects