"The US Food and Drug Administration (FDA) has approved the first long-acting muscarinic antagonist/long-acting beta-2 agonist combination in a pressurized metered-dose inhaler (pMDI), using novel co-suspension technology for chronic obstructive p"...
(ipratropium bromide) HFA
The active ingredient in ATROVENT HFA is ipratropium bromide (as the monohydrate). It is an anticholinergic bronchodilator chemically described as 8azoniabicyclo[3.2.1]octane, 3-(3-hydroxy-1-oxo-2-phenylpropoxy)-8-methyl-8-(1-methylethyl)-,bromide monohydrate, (3-endo, 8-syn)-: a synthetic quaternary ammonium compound, chemically related to atropine. The structural formula for ipratropium bromide is:
C20H30BrNO3•H2O ipratropium bromide Mol. Wt. 430.4
Ipratropium bromide is a white to off-white crystalline substance, freely soluble in water and methanol, sparingly soluble in ethanol, and insoluble in lipophilic solvents such as ether, chloroform, and fluorocarbons.
ATROVENT HFA is a pressurized metered-dose aerosol unit for oral inhalation that contains a solution of ipratropium bromide. The 200 inhalation unit has a net weight of 12.9 grams. After priming, each actuation of the inhaler delivers 21 mcg of ipratropium bromide from the valve in 56 mg of solution and delivers 17 mcg of ipratropium bromide from the mouthpiece. The actual amount of drug delivered to the lung may depend on patient factors, such as the coordination between the actuation of the device and inspiration through the delivery system. The excipients are HFA-134a (1,1,1,2-tetrafluoroethane) as propellant, sterile water, dehydrated alcohol, and anhydrous citric acid. This product does not contain chlorofluorocarbons (CFCs) as propellants.
ATROVENT HFA should be primed before using for the first time by releasing 2 test sprays into the air away from the face. In cases where the inhaler has not been used for more than 3 days, prime the inhaler again by releasing 2 test sprays into the air away from the face.
What are the possible side effects of ipratropium inhalation (Atrovent HFA)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Stop using ipratropium and call your doctor at once if you have a side effect such as:
- bronchospasm (wheezing, chest tightness, trouble breathing), especially after starting a new canister of this medicine;
- blurred vision, eye pain, or seeing halos around lights;
- pain or burning when you urinate;
- urinating less than usual or not at all; or
- worsening of your...
What are the precautions when taking ipratropium bromide inhalation aerosol (Atrovent HFA)?
Before using ipratropium, tell your doctor or pharmacist if you are allergic to it or tiotropium; or to atropine or other belladonna-type drugs; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: personal or family history of glaucoma (angle-closure type), difficulty urinating (for example, due to enlarged prostate).
This drug may make you dizzy or cause blurred vision or other vision changes. Do not drive, use machinery, or do any activity that requires alertness or clear vision until you are sure you can perform such activities safely. Limit...
Last reviewed on RxList: 10/8/2012
This monograph has been modified to include the generic and brand name in many instances.
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