Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Propylthiouracil (PTU)
Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026
Propylthiouracil (PTU): A drug that blocks the production of thyroid hormone by the thyroid gland. PTU is used to treat hyperthyroidism, to reduce the excessive thyroid activity before surgery and to treat and maintain patients not having surgery.
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