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® (triamcinolone acetonide inhalation aerosol) 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 (triamcinolone acetonide inhalation aerosol) 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 (triamcinolone acetonide inhalation aerosol) Inhalation

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

Last reviewed on RxList: 3/25/2008
This monograph has been modified to include the generic and brand name in many instances.