Proprietary name: Azmacort
Established name: Triamcinolone acetonide
Route of administration: RESPIRATORY (INHALATION) (C38216)
Active ingredients (moiety): Triamcinolone acetonide (Triamcinolone)

Triamcinolone acetonide, USP, the active ingredient in Azmacort® Inhalation Aerosol, is a corticosteroid with a molecular weight of 434.5 and with the chemical designation 9- Fluoro-11β,16α,17,21-tetrahydroxypregna-1,4-diene-3,20-dione cyclic 16,17-acetal with acetone. (C₂₄H₃₁FO₆).

Azmacort Inhalation Aerosol is a metered-dose aerosol unit containing a microcrystalline suspension of triamcinolone acetonide in the propellant dichlorodifluoromethane and dehydrated alcohol USP 1% w/w. Each canister contains 60 mg triamcinolone acetonide. The canister must be primed prior to the first use. After an initial priming of 2 actuations, each actuation delivers 200 mcg triamcinolone acetonide from the valve and 75 mcg from the spacer-mouthpiece under definedin vitro test conditions. The canister will remain primed for 3 days. If the canister is not used for more than 3 days, then it should be reprimed with 2 actuations. There are at least 240 actuations in one Azmacort Inhalation

Aerosol canister. After 240 actuations, the amount delivered per actuation may not be consistent and the unit should be discarded.

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