"The U.S. Food and Drug Administration today approved Opsumit (macitentan), a new drug to treat adults with pulmonary arterial hypertension (PAH), a chronic, progressive and debilitating disease that can lead to death or the need for lung transpla"...
(Albuterol Sulfate) Extended-Release Tablets
Albuterol extended-release tablets contain albuterol sulfate, the racemic form of albuterol and a relatively selective beta2-adrenergic bronchodilator, in an extended-release formulation. Albuterol sulfate has the chemical name (±) α1-[(tert-butylamino)methyl]-4-hydroxy-m-xylene-α, α-diol sulfate (2:1) (salt), and the following structural formula:
Albuterol sulfate has a molecular weight of 576.7, and the molecular formula is (C13H21NO3)2•H2SO4. Albuterol sulfate is a white crystalline powder, soluble in water and slightly soluble in ethanol.
The World Health Organization recommended name for albuterol base is salbutamol.
Each tablet for oral administration contains 4 mg or 8 mg of albuterol as 4.8 mg or 9.6 mg, respectively, of albuterol sulfate in a cellulosic material that serves as a diffusion-release membrane. In addition each tablet contains the following inactive ingredients: Calcium sulfate, carnauba wax, ethylcellulose, ferric oxide black, hypromellose, ink-thinner XI, lactose monohydrate, magnesium stearate, polyethylene glycol, propylene glycol, shellac, stearic acid, titanium dioxide, triacetin, D&C Yellow #10, (4 mg only) and FD&C Blue #1 (4 mg only).
What are the precautions when taking albuterol sulfate extended-release tablets (VoSpire ER)?
Before taking albuterol, tell your doctor or pharmacist if you are allergic to it; or if you have had a serious reaction to similar drugs (such as levalbuterol, metaproterenol, terbutaline); 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: heart problems (e.g., irregular heartbeat, angina, heart attack), high blood pressure, diabetes, low levels of potassium in the blood, seizure.
This drug may make you dizzy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit...
Last reviewed on RxList: 8/8/2008
This monograph has been modified to include the generic and brand name in many instances.
Additional VoSpire ER Information
- VoSpire ER Drug Interactions Center: albuterol sulfate oral
- VoSpire ER Side Effects Center
- VoSpire ER Overview including Precautions
- VoSpire ER FDA Approved Prescribing Information including Dosage
VoSpire ER - User Reviews
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