Monitoring for Adverse Reactions: Monitor breastfed infants of lactating women treated with azelastine HCl nasal spray for possible signs of milk rejection related to the bitter taste of azelastine.

The most common side effect is a bitter taste. This type of nasal spray is available over-the-counter (OTC) and as a prescription. Types of nasal antihistamine sprays include azelastine (brand ...

For patients with moderate-to-severe SAR that is uncontrolled on nasal steroids alone ... be started as first-line therapy, but azelastine has a bitter taste, and two different sprays increase ...