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warnings
WARNINGS This product contains an antihistamine that may cause drowsiness and may have additive central nervous system (CNS) effects with alcohol or other CNS depressants (e.g., hypnotics, sedatives, tranquilizers). Antihistamines should be used with caution in patients with stenosing peptic ulcer, pyloroduodenal obstruction, and urinary bladder obstruction due to symptomatic prostatic hypertrophy and narrowing of the bladder neck.
ADVERSE REACTIONS The most common effects associated with antihistamines have been drowsiness, sedation, dryness of mucous membranes, and gastrointestinal effects. Serious side effects with oral antihistamines and sympathomimetics, have been rare. Other adverse reactions may include: Dermatologic – urticaria, drug rash, photosensitivity, pruritus. Cardiovascular – hypotension, hypertension, cardiac arrhythmias, palpitations. Central Nervous System (CNS) – disturbed coordination, tremor, irritability, insomnia, visual disturbances, weakness, nervousness, convulsion, headache, euphoria and dysphoria. Genitourinary – urinary frequency, difficult urination. Gastrointestinal – epigastric discomfort, anorexia, nausea, vomiting, diarrhea, constipation. Respiratory – tightness of chest and wheezing, shortness of breath. Hematologic – hemolytic anemia, thrombocytopenia, agranulocytosis.