VoSpire ER

DRUG DESCRIPTION

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 (?) ?1-[(tert-butylamino)methyl]-4-hydroxy-m-xylene-?, ?-diol sulfate (2:1) (salt), and the following structural formula:

VoSpire ER (Albuterol Sulfate) Structural Formula Illustration

Albuterol sulfate has a molecular weight of 576.7, and the molecular formula is (C13H21NO3)2H2SO4. 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 (e.g., 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, overactive thyroid (hyperthyroidism).

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...

Read All Potential Precautions of VoSpire ER


VoSpire ER Consumer (continued)

SIDE EFFECTS: Nervousness, shaking (tremor), headache, trouble sleeping, dizziness, or nausea may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor immediately if any of these unlikely but serious side effects occur: fast/pounding heartbeat, muscle cramps/weakness.

Seek immediate medical attention if any of these rare but very serious side effects occur: chest pain, irregular heartbeat.

Rarely, this medication has caused severe (rarely fatal), sudden worsening of breathing problems/asthma (paradoxical bronchospasm). If you experience sudden wheezing, seek immediate medical attention.

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

In the US -

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.

PRECAUTIONS: 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 (e.g., 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, overactive thyroid (hyperthyroidism).

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 alcoholic beverages.

Before having surgery, tell your doctor or dentist that you are taking this medication.

Caution is advised when using this drug in older adults since they may be more sensitive to its effects, especially the effects on the heart.

During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.

It is not known whether this drug passes into breast milk. Consult your doctor before breast-feeding.



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