Definition

1. Noun:
   • A sulfur-containing compound used as a drug: Thiouracil is a specific chemical compound that acts to reduce the activity of the thyroid gland. It is classified as an antithyroid agent.

Usage

• Thiouracil is used in medical contexts to treat conditions caused by an overactive thyroid gland, such as hyperthyroidism. Its primary function is to inhibit the production of thyroid hormones.

Examples

• Noun:
  • The doctor prescribed thiouracil to manage her hyperthyroidism.
  • Before newer drugs were developed, thiouracil was a common antithyroid medication.

Advanced Usage

• Pharmacological context: The term is primarily used in technical, medical, or pharmacological discussions concerning endocrine system disorders and their treatment.
  • The study compared the efficacy of thiouracil versus propylthiouracil.

Variants and Related Words

• Antithyroid drug (n): A general class of medications to which thiouracil belongs.
• Propylthiouracil (n): A related and more commonly used antithyroid drug, often abbreviated as PTU.

Synonyms

• Antithyroid agent: A broader term for substances that suppress thyroid function.

Notes

• Thiouracil itself is now less frequently used in clinical practice than other antithyroid drugs due to the potential for adverse effects. It serves as a foundational example in the history of endocrinology and pharmacology.

Noun

1. depresses the function of the thyroid gland