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The expected symptoms with overdosage are those of excessive beta-adrenergic stimulation and/or occurrence or exaggeration of any of the symptoms listed under ADVERSE REACTIONS; e.g., seizures, angina, hypertension or hypotension, tachycardia with rates up to 200 beats per minute, arrhythmias, nervousness, headache, tremor, dry mouth, palpitation, nausea, dizziness, fatigue, malaise, and insomnia. Hypokalemia may also occur. As with all sympathomimetic aerosol medications, cardiac arrest and even death may be associated with abuse of albuterol extended-release tablets.
Treatment consists of discontinuation of albuterol extended-release tablets together with appropriate symptomatic therapy. The judicious use of a cardioselective beta-receptor blocker may be considered, bearing in mind that such medication can produce bronchospasm. There is insufficient evidence to determine if dialysis is beneficial for overdosage of albuterol extended-release tablets.
The oral median lethal dose of albuterol sulfate in mice is greater than 2000 mg/kg, (approximately 250 times the maximum recommended daily oral dose for adults on a mg/m2 basis, or, approximately 200 times the maximum recommended daily oral dose for children on a mg/m2 basis). In mature rats, the subcutaneous median lethal dose of albuterol sulfate is approximately 450 mg/kg (approximately 110 times the maximum recommended daily oral dose for adults on a mg/m2 basis, or, approximately 90 times the maximum recommended daily oral dose for children on a mg/m2 basis). In small young rats, the subcutaneous median lethal dose is approximately 2000 mg/kg, (approximately 500 times the maximum recommended daily oral dose for adults on a mg/m2 basis, or, approximately 400 times the maximum recommended daily oral dose for children on a mg/m2 basis).
Albuterol extended-release tablets are contraindicated in patients with a history of hypersensitivity to albuterol or any of its components.
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
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