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warnings
WARNINGS This product may cause drowsiness or blurred vision. Patients taking this product should be warned not to engage in activities requiring mental alertness such a operating a motor vehicle or other machinery, or to perform hazardous tasks while taking this drug. Sympathomimetic amines should be used with caution in patients with hypertension, ischemic heart disease, diabetes mellitus, increased intraocular pressure, hyperthyroidism, or prostatic hyperthrophy. Sympathomimetic amines in overdosage my produce CNS stimulation with convulsions or cardiovascular collapse with accompanying hypotension. Do not exceed recommended dosage. Antihistamines should be used with considerable caution in pyloroduodenal obstruction; symptomatic prostatic hypertrophy; bladder neck obstruction. Antihistamines may cause excitability, especially in children. At dosages higher than the recommended dose, nervousness, dizziness or sleeplessness may occur. Do not exceed recommended dosage. Heat prostration can occur with methscopolamine used where the environmental temperature is high. Diarrhea may be an early symptom of incomplete intestinal obstruction, especially in patients with ileostomy or colostomy; in this instance, use of methscopolamine would be inappropriate and possible harmful.
ADVERSE REACTIONS The following adverse reactions have been observed with the use of phenylephrine, chlorpheniramine and methscopolamine: arrhythmias, blood dyscrasias, CNS depression, CNS stimulation, dizziness, drowsiness, dryness of mouth, hallucinations, hypotension, hypertension, increased sensitivity of skin to sun, increased sweating, loss of appetite, paradoxical reaction, restlessness, skin rash, stomach upset or pain, thickening of mucus, tingling in hands of feet, trembling, troubled breathing, unusual tiredness or weakness, vomiting. Note: Agitation; confusion; difficulty or painful urination; drowsiness; dizziness; and dryness of mouth, nose or throat are more likely to occur in the elderly. Nightmares, unusualexcitement, nervousness, restlessness, or irritability are more likely to occur in children and the elderly. When anticholinergics are given to patients, especially children, where environmental temperature is high, there is risk of a rapid increase in body temperature.