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warnings
WARNINGS Cardiovascular Effects Albuterol Sulfate Syrup, like all other beta-adrenergic agonists, can produce a clinically significant cardiovascular effect in some patients as measured by pulse rate, blood pressure, and/or symptoms. Although such effects are uncommon after administration of albuterol sulfate syrup at recommended doses, if they occur, the drug may need to be discontinued. In addition, beta-agonists have been reported to produce electrocardiogram (ECG) changes, such as flattening of the T wave, prolongation of the QTc interval, and ST segment depression. The clinical significance of these findings is unknown. Therefore, Albuterol Sulfate Syrup, like all sympathomimetic amines, should be used with caution in patients with cardiovascular disorders, especially coronary insufficiency, cardiac arrhythmias, and hypertension. Deterioration of Asthma Asthma may deteriorate acutely over a period of hours or chronically over several days or longer. If the patient needs more doses of albuterol sulfate syrup than usual, this may be a marker of destabilization of asthma and requires reevaluation of the patient and treatment regimen, giving special consideration to the possible need for anti-inflammatory treatment, e.g., corticosteroids. Paradoxical Bronchospasm Albuterol Sulfate Syrup can produce paradoxical bronchospasm, which may be life threatening. If paradoxical bronchospasm occurs, albuterol sulfate syrup should be discontinued immediately and alternative therapy instituted. Use of Anti-Inflammatory Agents The use of beta-adrenergic agonist bronchodilators alone may not be adequate to control asthma in many patients. Early consideration should be given to adding anti-inflammatory agents, e.g., corticosteroids. Immediate Hypersensitivity Reactions Immediate hypersensitivity reactions may occur after administration of albuterol, as demonstrated by rare cases of urticaria, angioedema, rash, bronchospasm, and oropharyngeal edema. Albuterol, like other beta-adrenergic agonists, can produce a significant cardiovascular effect in some patients, as measured by pulse rate, blood pressure, symptoms, and/or electrocardiographic changes. Rarely, erythema multiforme and Stevens-Johnson syndrome have been associated with the administration of albuterol sulfate in children.
ADVERSE REACTIONS In clinical trials, the most frequent adverse reactions to albuterol sulfate syrup in adults and older children were: Percent Incidence of Adverse Reactions in Adults and Children (6-14 Years of Age) Reaction Percent Incidence Central nervous system Tremor 10% Nervousness 9% Shakiness 9% Headache 4% Dizziness 3% Hyperactivity 2% Excitement 2% Sleeplessness 1% Disturbed sleep <1% Irritable behavior <1% Dilated pupils <1% Weakness <1% Cardiovascular Tachycardia 1% Palpitations <1% Sweating <1% Chest pain <1% Ear, nose, and throat Epistaxis 1% Gastrointestinal Increased appetite 3% Epigastric pain <1% Stomachache <1% Musculoskeletal Muscle spasm <1% Respiratory Cough <1% In clinical trials, the following adverse reactions to albuterol sulfate syrup were noted more frequently in young children 2 to 6 years of age than in older children and adults: Percent Incidence of Adverse Reactions Noted More Frequently in Children 2 to 6 Years of Age Than in Older Children and Adults Reaction Percent Incidence Central nervous system Excitement 20% Nervousness 15% Hyperkinesia 4% Sleeplessness 2% Emotional lability 1% Fatigue 1% Cardiovascular Tachycardia 2% Pallor 1% Gastrointestinal Gastrointestinal symptoms 2% Loss of Appetite 1% Ophthalmologic Conjunctivitis 1% Cases of urticaria, angioedema, rash, bronchospasm, hoarseness, oropharyngeal edema, and arrhythmias (including atrial fibrillation, supraventricular tachycardia, extrasystoles) have been reported after the use of albuterol sulfate syrup. In addition, albuterol, like other sympathomimetic agents, can cause adverse reactions such as hypertension, angina, vomiting, vertigo, central nervous system stimulation, unusual taste, and drying or irritation of the oropharynx. The reactions are generally transient in nature, and it is usually not necessary to discontinue treatment with Albuterol Sulfate Syrup. In selected cases, however, dosage may be reduced temporarily; after the reaction has subsided, dosage should be increased in small increments to the optimal dosage. To report SUSPECTED ADVERSE REACTIONS, contact Hi-Tech Pharmacal Co., Inc. at 1-800-262-9010 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.