Clinical management of acute poisoning

If the patient presents early (less than 1 hr post ingestion), induce vomiting safely by ensuring the head is lower than the hips (Hansen and Feilberg, 1998)
Administer activated charcoal to patient who is alert, able to swallow and with gag reflex
Although serious toxicity is not expected after ingestion of cetirizine alone,patients with large ingestion of chlorpheniramine may require orotracheal intubation for airway protection to be performed early (National library of medicine, 2009;National library of medicine, 1995)
Consider gastric lavage after an extremely large ingestion(greater than 1 g . . .

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