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warnings
WARNINGS Sympathomimetic amines should be used judiciously and sparingly in patients with hypertension, diabetes, ischemic heart disease, hyperthyroidism, increased intraocular pressure and prostatic hypertrophy. See Contraindications. Sympathomimetic amines may produce CNS stimulation and convulsions or cardiovascular collapse with accompanying hypotension. The elderly (60 years and older) are more likely to exhibit adverse reactions. Do not exceed recommended dosage.
ADVERSE REACTIONS Sympathomimetic amines may cause tachycardia, palpitations, nervousness, insomnia, restlessness, headache, gastric irritation, and irritability. Sympathomimetic amines have been associated with certain untoward reactions including fear, anxiety, tenseness, restlessness, tremor, weakness, pallor, respiratory difficulty, dysuria, insomnia, hallucinations, convulsions, CNS depression, arrhythmias and cardiovascular collapse with hypotension. Urinary retention may occur in patients with prostate hypertrophy. Guaifenesin may cause nausea, vomiting, diarrhea, and gastric irritation.