藥品參考
Propylthiouracil
Propylthiouracil is a medicine in the class endocrine. It is used for graves disease.
- 藥物類別: Endocrine
- 用途: graves disease
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重點資訊
- 藥物類別
- Endocrine
- 常見劑型
- 錠劑
- 常見規格
- 50 mg
- 已知交互作用
- 16 (嚴重: 7 · 中度: 8 · 輕微: 1)
- 商品名
- 3
- 國家與市場
- 2
用途
作用方式
Inhibits synthesis of thyroid hormone by blocking oxidation of iodine in thyroid gland; blocks synthesis of T4 and T3
成人常用劑量（仿單摘要）
Hyperthyroidism: 300-450 mg/day PO divided q8hr initially (may require up to 600-900 mg/day), Maintenance: 100-150 mg/day divided q8hr
懷孕與哺乳
- 懷孕
- Safe Crosses the placenta; excess dose can cause fetal goitre and hypothyroidism. US label: may be preferred in the 1st trimester (methimazole is linked to rare birth defects), then switch to methimazole because of maternal liver toxicity. Use the lowest effective dose; monitor mother and fetus.
- 哺乳
- Safe Small amounts pass into milk (about 0.025% of a 400 mg dose in 4 hours); clinically insignificant (US label). LactMed: methimazole is now preferred because of PTU liver injury, but no infant liver damage has been reported; limit to 450 mg daily if possible.
已通報的副作用
- Drowsiness
- Fever
- Agranulocytosis
- Dermatologic reactions
- Hepatitis
- Aplastic anemia
哪些人需要特別留意
- Agranulocytosis within first 3 months of therapy reported; instruct patients to immediately report any symptoms suggestive of agranulocytoses, as fever or sore throat
- Risk of severe rare immunoallergenic hepatitis, High relapse rate (more likely in smokers)
- Discontinue in presence of unexplained fever, Interstitial pneumonitis may occur
請告知藥師或醫師您是否懷孕或哺乳、是否患有腎臟或肝臟疾病、是否有過敏，以及您正在使用的所有其他藥物或保健品。
重要交互作用 (16)
- Carbamazepine + Propylthiouracil Major
- Clozapine + Propylthiouracil Major
- Methimazole + Propylthiouracil Major
- Pexidartinib + Propylthiouracil Major
- Pretomanid + Propylthiouracil Major
- Propylthiouracil + Sodium iodide i-131 Major
- Propylthiouracil + Valoctocogene roxaparvovec Major
- Iodinated glycerol + Propylthiouracil Moderate
- Iodine + Propylthiouracil Moderate
- Lycopus + Propylthiouracil Moderate
同類別的其他藥品
常見問題
What is Propylthiouracil used for?
Propylthiouracil is a medicine in the class endocrine. It is used for Graves disease, Hyperthyroidism.
What side effects have been reported with Propylthiouracil?
Drowsiness, Fever, Agranulocytosis, Dermatologic reactions, Hepatitis, Aplastic anemia.
Can Propylthiouracil be taken in pregnancy or while breastfeeding?
Pregnancy: Safe. Crosses the placenta; excess dose can cause fetal goitre and hypothyroidism. US label: may be preferred in the 1st trimester (methimazole is linked to rare birth defects), then switch to methimazole because of maternal liver toxicity. Use the lowest effective dose; monitor mother and fetus. Breastfeeding: Safe. Small amounts pass into milk (about 0.025% of a 400 mg dose in 4 hours); clinically insignificant (US label). LactMed: methimazole is now preferred because of PTU liver injury, but no infant liver damage has been reported; limit to 450 mg daily if possible.
What does Propylthiouracil interact with?
MediHelp lists 16 known interactions for Propylthiouracil. Major: 7 · Moderate: 8 · Minor: 1. The most serious include Carbamazepine, Clozapine, Methimazole.
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