Answer
No specific interaction studies have been performed with azelastine hydrochloride eye drops; studies using high oral doses are not relevant because systemic levels after eye-drop administration are in the picogram range.
Sources for this answer
- Azelastine hydrochloride 0.5 mgml Eye drops solutionBrown & Burk UK Ltd · emc · SmPC §4.5 Interaction with other medicinal products · Version 3Document updated
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