A patient with actinic keratoses has received a prescription for fluorouracil [Carac]. Which statement by the patient indicates understanding of this medication?
a. "Healing should occur 6 weeks after be-ginning treatment."
b. "I will apply this drug twice daily."
c. "Severe inflammation is an indication for stopping treatment."
d. "Tissue ulceration and necrosis are desired effects."
D
Fluorouracil causes tissue disintegration, erosion, ulceration, and necrosis as part of the normal course of desired effects. Complete healing may take several months, although treatment lasts 2 to 6 weeks. Carac is applied once daily. Severe inflammation is part of the course of treatment and not an indication for discontinuing the medication.
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