PHENYLEPHRINE HYDROCHLORIDE

By SC or IM injection

• Adult and child over 12 years: 2–5 mg followed by 1–10 mg if required, after at least 15 minutes
• Child 1–12 years: 0.1 mg/kg every 1–2 hours as required (max 5 mg)

By slow IV injection using a 1 mg/ml solution

• Adult and child over 12 years: 0.1–0.5 mg repeated as necessary after at least 15 minutes
• Child 1–12 years: 0.005–0.02 mg/kg (max 0.5 mg) repeated as required after at least 15 minutes

By IV infusion as a 20 micrograms/ml solution

• Adult and child over 16 years: 0.18 mg/minute reduced according to response to 0.03–0.06 mg/minute
• Child 1–16 years: 0.1–0.5 mg/kg/minute, adjusted according to response