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Propylthiouracil Dosage

When used to treat an overactive thyroid in adults, the usual dose of propylthiouracil is 100 to 300 mg, three times a day. In children, the dosage prescribed will be based primarily on age, but can range from 50 to 150 mg a day, divided into three smaller doses. As a person's symptoms improve, this amount may be reduced.

An Introduction to Dosing With Propylthiouracil

The dose of propylthiouracil (PTU) your healthcare provider recommends will vary, depending on a number of factors, including:
  • How you respond to this medication
  • The severity of your condition
  • Your age
  • Any other medical conditions you may have.
As is always the case, do not adjust this amount unless your healthcare provider specifically tells you to do so.

Recommended Propylthiouracil Dosage for Adults

For treating hyperthyroidism in adults, the starting dosage may range from 100 mg three times daily to 300 mg three times daily, depending on the severity of the hyperthyroidism. As the condition becomes controlled, your healthcare provider may be able to lower this amount.

Recommended Dose for Children

For hyperthyroidism treatment in children age 6 to 10, a starting dosage of 50 mg total daily (divided up into three smaller doses per day) is recommended. For children age 10 and older, the starting propylthiouracil dosage is 100 to 150 mg total daily (divided up into three smaller doses per day). Your child's healthcare provider may reduce this amount as the condition improves.

General Information on Your Propylthiouracil Dosage

Some considerations to keep in mind when taking this medicine include the following:
  • Propylthiouracil comes in tablet form. It is usually taken three times daily.
  • You can take this medication with or without food.
  • For the medicine to work properly, it must be taken as prescribed.
  • If you are unsure about anything related to your dosage or propylthiouracil dosing in general, talk with your doctor, nurse, or pharmacist.
Diabetes Tips for Seniors

Propylthiouracil Medication Information

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