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Antihistamines

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turlough's version from 2017-10-31 00:34

Section 1

Question Answer
What class does azelastine belong to? Anti-histamines
What product contains azelastine? Rhinolast
What product contains azelastine in combination with fluticasone? Dymista
3 indications for azelastine Seasonal allergic rhinitis, Perennial allergic rhinitis and vasomotor rhinitis.
What is the typical dose of azelastine?One spray into each nostril twice daily. Patients using Rhinolast may use two sprays into each nostril twice daily if their symptoms are moderate to severe.
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Section 2

Question Answer
How does azelastine work? Azelastine is a strong antagonist of histamine H1 receptors. It relieves allergic symptoms by blocking the release of histamine and by inhibiting other chemical mediators involved in allergy (e.g. leukotrienes).
What is the most common side effect of azelastine? Bitter taste.
What is a very common side effect of Dymista? Epistaxis (a nosebleed)
What increases the risk of experiencing a bitter taste with azelastine?Tilting one's head too far backwards.
3 counselling points for azelastine1) Prime the spray if you haven't used it before/recently. 2) Blow nose before using the nasal spray. 3) Spray away from the septum.
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