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Azelastine

ASTELIN

Pronunciation: a-ZEL-as-teen

Azelastine ballicule: receptor binding, kinetics and half-life diagram
Mechanism of action: Azelastine ballicule
Azelastine ASTELIN mascot mnemonic cartoon
Visual mnemonic: Azelastine mascot
“A zealous teen a’ stealin”

What it isIntranasal H1 antihistamine; allergic rhinitis.

Why this oneA fixed combination with fluticasone provides broader nasal relief than either component alone.

What limits itThe bitter taste is the main reason people stop. Some systemic absorption gives mild sedation.

Azelastine molecular structure (skeletal formula)
Molecular structure: Azelastine

FDA-approved for

FDA label

FDA dosingPopulationStartTargetMax
Allergic rhinitis (nasal allergy symptoms)Adults & children ≥12 y2 sprays/nostril QD, OR 1–2 sprays/nostril q12h (BID)1–2 sprays/nostril BID4 sprays/nostril per 24 h
Allergic rhinitis (nasal allergy symptoms)Children 6–11 y1 spray/nostril q12h (BID)1 spray/nostril BID2 sprays/nostril per 24 h

Renal Undefined

Hepatic Undefined

Do not exceed 4 sprays/nostril (adults & ≥12 y) or 2 sprays/nostril (6–11 y) in 24 hours

Instructions

Available strengths

Pregnancy Undefined

Lactation Undefined

Cost

Azelastine (ASTELIN)
What pharmacies pay · NADAC 9/30/26
Strength#/mogeneric $/unitCostPlus
137 mcg/spraynasal sprayper unit$0.27/mLoffered
205.5 mcg/spraynasal sprayper unitnot offered

Generic entry2009

NO BOXED WARNINGS

Principal riskBitter taste, which drives non-adherence

Classes and tags

Clinical profile

Therapeutic safety burden0 / 4
Overdose danger0 / 4
Weight-gain liability0 / 4
Sedation liability2 / 4
QT / Torsades0 / 4
Direct muscarinic antagonism0 / 4
Embryofetal risk0 / 4

Legacy pregnancy categoryUnknown / historical label unavailable

Defining liabilityLocal irritation, sensitization or administration-site injury; negligible systemic toxicity at usual use.

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