Which factor should the nurse remember when administering topical medication to an infant?
a. Infants require a larger dosage because of a greater body surface area.
b. Infants have a thinner stratum corneum that absorbs more medication.
c. Infants have a smaller percentage of muscle mass compared with adults.
d. The skin of infants is less sensitive to allergic reactions.
B
Infants and young children have a thinner outer skin layer (stratum corneum), which increases the absorption of topical medication. A similar dose of a topical medication administered to an infant compared with an adult is approximately three times greater in the infant because of the greater body surface area. The smaller muscle mass in infants affects site selection for injected medications. The young child's skin is more prone to irritation, making contact dermatitis and other allergic reactions more common.
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