When administering phenytoin (Dilantin) through the patient's IV line, the nurse carefully flushes the IV with normal saline before and afterward to avoid crystal formation of the medication that occurs when it mixes with dextrose in water (D 5 W) solution. Which type of drug interaction is the nurse being careful to avoid?
A) Antagonism
B) Potentiation
C) Synergism
D) Incompatibility

Question

Quizplus · Accepted Answer

When medications combine to form crystals or adverse chemical reactions, the result is a drug incompatibility. Compatibility must be assessed prior to medication preparation and administration.

When Administering Phenytoin (Dilantin) Through the Patient's IV Line, the Nurse