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warnings
WARNINGS Caution should be exercised in patients with hyperthyroidism, increased intraocular pressure and prostatic hypertrophy. Patients sixty (60) years and older may demonstrate an increased response to this drug, both in therapeutic effect and in the incidence of adverse reactions. A reduction in dosage may be more appropriate for these patients. Antihistamines may cause drowsiness or excitability, particularly in children. At doses higher than the recommended dose, nervousness, dizziness or sleeplessness may occur.
ADVERSE REACTIONS The physician should be alert to the possibility of any of the adverse reactions which have been observed with antihistaminic drugs. These include: drowsiness; confusion; restlessness; nausea; vomiting; drug rash; vertigo; palpitation; anorexia; dizziness; dysuria due to vesicle sphincter spasm; headache, insomnia; anxiety; tension; weakness; tachycardia; angina; sweating; blood pressure elevation; mydriasis; gastric distress; abdominal cramps; central nervous system stimulation; circulatory collapse.