Azelastine

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Azelastine
Systematic (IUPAC) name
4-[(4-chlorophenyl)methyl]-2- (1-methylazepan-4-yl)-phthalazin-1-one
Identifiers
CAS number	58581-89-8
ATC code	R01AC03 R06AX19, S01GX07
PubChem	2267
DrugBank	APRD00813
Chemical data
Formula	C22H24ClN3O
Mol. mass	381.898 g/mol
Pharmacokinetic data
Bioavailability	40% (intranasal)
Metabolism	?
Half life	22 hours
Excretion	?
Therapeutic considerations
Pregnancy cat.	C(US)
Legal status
Routes	intranasal, ocular

Azelastine is an antihistamine and mast cell stabilizer available as a nasal spray (Astelin) for hay fever and as eye drops (Optivar) for allergic conjunctivitis. It is very useful to help with seasonal allergies becauses of its medical properties

Contents 1 Side effects 1.1 Nasal spray 2 External links 3 References

[edit] Side effects

[edit] Nasal spray

Side effects of azelastine nasal spray vary somewhat depending on the condition being treated. The most common side effects include bitter taste, headache, rhinitis, nose bleed, and somnolence. Adults being treated for vasomotor rhinitis may also experience dysesthesia and sinusitis. Additional side effects experienced by adults being treated for seasonal allergies include nasal burning, pharyngitis, dry mouth, paroxysmal sneezing, nausea, fatigue, dizziness, and weight gain.^[1]

[edit] External links

• Official Astelin Website
• Official Optivar Website
• Manufacturer's Website

[edit] References

1. ^ Astelin prescribing information

v • d • e Decongestants and other nasal preparations (R01) Topical: sympathomimetics, plain Cyclopentamine - Ephedrine - Phenylephrine - Oxymetazoline - Tetryzoline - Xylometazoline - Naphazoline - Tramazoline - Metizoline - Tuaminoheptane - Fenoxazoline - Tymazoline - Epinephrine Topical: antiallergic agents, excluding corticosteroids Cromoglicic acid - Levocabastine - Azelastine - Antazoline - Spaglumic acid - Thonzylamine - Nedocromil - Olopatadine Topical: corticosteroids Beclometasone - Prednisolone - Dexamethasone - Flunisolide - Budesonide - Betamethasone - Tixocortol - Fluticasone - Mometasone furoate - Triamcinolone - Ciclesonide Topical: other nasal preparations Calcium hexamine thiocyanate - Retinol - Ipratropium bromide - Ritiometan - Mupirocin - Hexamidine - Framycetin Systemic use: Sympathomimetics Phenylpropanolamine - Pseudoephedrine - Phenylephrine

v • d • e Antihistamines (primarily R06) Aminoalkyl ethers Bromazine/Bromodiphenhydramine • Carbinoxamine • Clemastine • Chlorphenoxamine • Diphenylpyraline • Diphenhydramine • Doxylamine • Orphenadrine • Phenyltoloxamine Substituted alkylamines Brompheniramine • Chlorphenamine • Dexbrompheniramine • Dexchlorpheniramine • Dimetindene • Pheniramine • Talastine Substituted ethylenediamines Chloropyramine • Histapyrrodine • Mepyramine • Methapyrilene • Tripelennamine (Pyribenzamine) Phenothiazine derivatives Alimemazine • Hydroxyethylpromethazine • Isothipendyl • Mequitazine • Methdilazine • Oxomemazine • Promethazine Piperazine derivatives Buclizine • Cetirizine • Chlorcyclizine • Cinnarizine • Cyclizine • Hydroxyzine • Levocetirizine • Meclizine • Niaprazine • Oxatomide Others for systemic use Antazoline • Azatadine • Bamipine • Cyproheptadine • Deptropine • Dimebon • Ebastine • Epinastine • Ketotifen • Mebhydrolin • Mizolastine • Phenindamine • Pimethixene • Pyrrobutamine • Rupatadine • Triprolidine • selective (Acrivastine • Astemizole • Azelastine • Desloratadine • Fexofenadine • Loratadine • Terfenadine) For topical use Bamipine • Chloropyramine • Chlorphenoxamine • Clemastine • Dimetindene • Diphenhydramine • Isothipendyl • Mepyramine • Promethazine • Thenalidine Antiallergic agents excluding corticosteroids Antazoline • Azelastine Other antiallergics Emedastine • Epinastine • Ketotifen • Montelukast • Olopatadine