The Nurse Notes That a Client Who Has Been Using

The nurse notes that a client who has been using psoralens-ultraviolet A (PUVA) therapy for psoriasis for 1 month has darkening of the skin.Which is the nurse's best action?

A) Document this assessment finding.
B) Instruct the client to reduce the dose.
C) Instruct the client to drink more water.
D) Instruct the client to apply cortisone cream.