Children taking phenobarbital (phenobarbital sodium) and/or phenytoin (Dilantin) may experience a deficiency of:

A) calcium.
B) vitamin C.
C) fat-soluble vitamins.
D) vitamin D and folic acid.

Phenytoin (Dilantin)

An anticonvulsant medication used to manage and prevent certain types of seizures.

Phenobarbital

A type of barbiturate medication used to manage and treat seizures, as well as to help with sedation.

Vitamin D

A fat-soluble vitamin essential for bone health and calcium absorption, also plays a role in immune function.