Therapy The procedure of overdosage with promethazine and phenylephrine is essentially symptomatic and supportive. Only in cases of utmost overdosage or unique sensitivity do critical signals which includes respiration, pulse, hypertension, temperature, and EKG should be monitored. Activated charcoal orally or by lavage can be given, or sodium or magnesium https://richarda344eyv9.wikihearsay.com/user