The client with a partial-thickness burn to the right arm is prescribed mafenide acetate (Sulfamylon), a topical antimicrobial. Which intervention should the emergency department nurse implement when...

The client with a partial-thickness burn to the right arm is prescribed mafenide acetate (Sulfamylon), a topical antimicrobial. Which intervention should the emergency department nurse implement when applying this medication?

1. Do not administer if the serum sodium level is decreased.

2. Assess the client’s urine for any increased concentration.

3. Determine the amount of burned skin using the Rule of Nine.

4. Premedicate the client prior to administering the medication.