A patient with hyperthyroidism is placed on propylthiouracil to reduce thyroid hormone synthesis. The patient asked the nurse when the drug will start working. What should be the nurse's response?


•The therapeutic effect of propylthiouracil (PTU) has an onset of 10-21 days and peak of 6-10 weeks.

•The patient should receive symptomatic treatment with a beta blocker until her thyroid levels have returned to normal range.

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