PHENYTOIN
Brand Name & Strength
Dilantin 250 mg/5 ml
Reconstitution
Not required
Further Dilution
IV infusion
Dilute dosage required in 50 – 100 ml diluent (maximum concentration: 10 mg/ml)
Diluent
NS
Administration & Infusion rate
IV infusion
Administer over 1 hr
Do not exceed dose of 50 mg/min in adults and not to exceed 1 – 3 mg/kg/min in neonates and
children
Slow IV
Administer slowly, not exceeding 50 mg/min in adults
Storage & Stability
RT
(<25 oC)
Fridge
(2 – 8 oC)
After Reconstitution
-
-
After dilution
Stable as long as free of haziness
and precipitate
-
Remarks
Avoid IM administration due to severe risk of local tissue destruction and necrosis; use Fosphenytoin if
IM administration necessary
The manufacturer’s labelling includes IM administration; however, in general the IM route should be
avoided and should not be used for status epilepticus