A patient is receiving his first ultraviolet light therapy treatment for psoriasis. What should be included in this patient's teaching?
1. The skin will appear reddened approximately eight hours after the treatment.
2. The treatment will be the same length every time.
3. There is no anticipated damage to the eyes or mucous membranes.
4. This is the treatment of choice for patients with psoriasis on 10% of the body.
Correct Answer: 1
Patients with generalized psoriasis or with psoriasis over 30% of the body will most likely be treated with phototherapy. To avoid damage to the eyes, they will need to be shielded during the treatment and the patient can expect areas of erythema approximately eight hours after the treatment. The treatment is measured in seconds with a gradual increase in exposure times.
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