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Symptoms and Treatment of Overdose(s): Inadvertent oral ingestion of one 10ml bottle of this product, corresponding to 5mg antazoline hydrochloride and 4mg tetrahydrozoline hydrochloride is not likely to have any serious consequences in an adult. In children, especially in those under 2 years of age, nausea, somnolence, arrhythmia/tachycardia and possibly shock may occur. CNS depression, shock like hypotension and coma have occurred following overdose of tetrahydrozoline.
In the event of accidental overdosage following oral ingestion, induce vomiting if the patient is still conscious. Otherwise, gastric lavage and/or activated charcoal should be considered. Give artificial respiration if necessary. General intensive supportive measures may be required in severe cases.
