(ipratropium bromide and albuterol sulfate) Inhalation Aerosol
For Oral Inhalation Only
COMBIVENT Inhalation Aerosol is a combination of ipratropium bromide (as the monohydrate) and albuterol sulfate.
Ipratropium bromide is an anticholinergic bronchodilator chemically described as 8-azoniabicyclo[3.2.1] octane, 3-(3-hydroxy-1-oxo-2-phenylpropoxy)-8-methyl8-(1-methylethyl)-, bromide monohydrate, (3-endo, 8-syn)-: a synthetic quaternary ammonium compound chemically related to atropine. 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.
The structural formula is:
C20H30BrNO3•H2O ipratropium bromide Mol. Wt. 430.4
Albuterol sulfate, chemically known as (1,3-benzenedimethanol, α'-[[(1,1dimethylethyl) amino] methyl]-4-hydroxy, sulfate (2:1)(salt), (±)- is a relatively selective beta2-adrenergic bronchodilator. Albuterol is the official generic name in the United States. The World Health Organization recommended name for the drug is salbutamol. Albuterol sulfate is a white to off-white crystalline powder, freely soluble in water and slightly soluble in alcohol, chloroform, and ether. The structural formula is:
(C13H21NO3)2•H2SO4 albuterol sulfate Mol. Wt. 576.7
Combivent® (ipratropium bromide and albuterol sulfate) Inhalation Aerosol contains a microcrystalline suspension of ipratropium bromide and albuterol sulfate in a pressurized metered-dose aerosol unit for oral inhalation administration. The 200 inhalation unit has a net weight of 14.7 grams. Each actuation meters 21 mcg of ipratropium bromide and 120 mcg of albuterol sulfate from the valve and delivers 18 mcg of ipratropium bromide and 103 mcg of albuterol sulfate (equivalent to 90 mcg albuterol base) from the mouthpiece. The excipients are dichlorodifluoromethane, dichlorotetrafluoroethane, and trichloromonofluoromethane as propellants and soya lecithin.
What are the possible side effects of albuterol and ipratropium inhalation (Combivent, DuoNeb)?
Stop using this medication and get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Stop using albuterol and ipratropium and call your doctor at once if you have any of these serious side effects:
- bronchospasm (wheezing, chest tightness, trouble breathing), especially after starting a new canister of this medicine;
- chest pain and fast, pounding, or uneven heart beats;
- swelling of your ankles or...
What are the precautions when taking ipratropium bromide and albuterol sulfate (Combivent)?
Before using this product, tell your doctor or pharmacist if you are allergic to ipratropium or albuterol (salbutamol); or to tiotropium; or to atropine or other belladonna-type drugs; or if you have any other allergies. This product may contain inactive ingredients (such as soy lecithin from soybeans), which can cause allergic reactions or other problems. Some people who are allergic to peanuts may also be allergic to soy. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: high blood pressure, heart disease (such as chest pain, heart attack, irregular heartbeat), glaucoma (narrow-angle), difficulty urinating (for example, due to enlarged prostate), seizure, overactive thyroid...
Last reviewed on RxList: 9/27/2012
This monograph has been modified to include the generic and brand name in many instances.
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