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Bronchodilators
Potential side effects of bronchodilatorsThe form and severity of side effects will vary depending on the type of bronchodilator. High doses of short–acting beta2 agonists, for instance, have been associated with hypokalemia (low potassium levels in the blood, which can result in weakness) and abnormal heart rhythms. Recently, a large clinical study found that the long–acting salmeterol drug was associated with a small, but significant, increased risk of death in asthma patients. The U.S. Food and Drug Administration is continuing to investigate the drug, and warns patients NOT to stop taking prescribed medication without first consulting their physician. Patients taking bronchodilators are advised to call their physicians immediately if they experience any of the following symptoms: Chest pain
Less serious side effects should be brought to the attention of a physician and may include: Headache
In addition, certain bronchodilators may cause temporary blurred vision if the medication comes into direct contact with the eyes. Drug and other interactionsPatients should consult their physicians before taking any additional prescriptions, over–the–counter medications, nutritional supplements or herbal medications. Of particular concern to individuals taking bronchodilators are: Antihypertensives (medications to treat high blood pressure). Bronchodilator use may lessen the effectiveness of these drugs. Antiarrhythmics (medications to treat abnormal heart beats). Bronchodilators used in conjunction with these drugs may lessen their effectiveness. Antibiotics (medications to treat bacterial infection). These medications may interfere with the function of bronchodilators. Anti–seizure medications. Bronchodilator use may lessen the effectiveness of these drugs. Ulcer medications. These medications may interfere with the function of bronchodilators. Psychiatric medications. Use of some bronchodilators in conjunction with certain medications used to treat psychiatric disorders may lead to a potentially dangerous drop in blood pressure and/or rapid heartbeat. Smoke. Smoking or exposure to second–hand smoke can interfere with the way the body responds to certain bronchodilators. Caffeine. Coffee, tea, colas and other caffeinated drinks can change the effectiveness of certain bronchodilators. Symptoms of bronchodilator overdoseSymptoms of overdose can be similar to the medication’s side effects, but are usually more severe. Patients exhibiting any of these symptoms should contact their physicians immediately: Convulsions
For less severe symptoms that do not indicate overdose but require contacting a physician.
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