Phenylephrine (Neo-Synephrine); Alpha-adrenergic Agent; Drops, nasal: 0.25, 0.5, 1% [15, 30 mL]
Inj: 10 mg/mL
Ophth soln: 0.12% [0.3, 15, 20 mL], 2.5% [2, 3, 5, 15 mL], 10% [2, 5 mL]
Spray, nasal: 0.25, 0.5, 1% [15, 30 mL];
Nasal:
Infants: 1-2 drops in each nostril q3-4h using 0.125% concentration
1-5 yrs: 2-3 drops in each nostril q3-4h prn using 0.125% concentration
6-12 yrs: 2-3 drops/spray in each nostril q3-4h prn using 0.25% concentration
>12 yrs: 2-3 drops or 1-2 sprays in each nostril q3-4h prn using 0.25-0.5 % concentration
Note: 0.125% concentration no longer commercially available; dilute 0.25% with an equal volume of normal saline.
Ophth: Use 1 drop of 2.5% soln prior to procedure
IV: 0.1-0.5 mcg/kg/min
IV continuous infusion