Propyracil Tablets (Propylthiouracil)

Precautions

• Liver toxicity risk: Propyracil can cause severe, potentially fatal liver damage. Regular monitoring of liver function is required.
• Blood disorders: May cause agranulocytosis; periodic blood tests are advised.
• Pregnancy and breastfeeding: Should only be used if clearly needed, as advised by a doctor.
• Children: Use with caution; dosage must be carefully monitored.
• Avoid self-medication; use strictly under medical supervision.

Do not take Propyracil if:

• You are allergic to Propylthiouracil or any ingredients in the tablet
• You have a history of liver disease linked to this medicine

Uses

Propyracil (Propylthiouracil) is used to treat:

• Hyperthyroidism (overactive thyroid gland)
• Graves’ disease (autoimmune hyperthyroidism)
• Management of thyrotoxic crisis (thyroid storm)
• Patients who cannot take methimazole or other standard antithyroid medicines

Side Effects

Like all medicines, Propyracil can cause side effects. These may range from mild to serious:

Common side effects:

• Rash, itching, or hives
• Nausea or upset stomach
• Headache
• Dizziness

Serious side effects (require immediate medical attention):

• Severe liver injury or liver failure
• Agranulocytosis (dangerously low white blood cell count)
• Fever, sore throat, or signs of infection
• Yellowing of skin/eyes (jaundice)
• Unusual bleeding or bruising

Patients should promptly report any severe reactions to their doctor.

FAQs

Q1: What is Propyracil used for?
Propyracil is used to treat hyperthyroidism and related conditions by reducing thyroid hormone production.

Q2: How long does it take to work?
It may take several weeks for thyroid hormone levels to stabilize. Regular monitoring is required.

Q3: Can I stop taking it once I feel better?
No. Do not stop taking Propyracil without medical advice, as this may worsen your condition.

Q4: Is it safe during pregnancy?
It may be prescribed during pregnancy if the doctor considers it necessary, especially in the first trimester.

Q5: Do I need regular tests while taking it?
Yes. Your doctor may recommend blood tests to monitor thyroid function, liver health, and blood cell counts.

Interactions

Propyracil may interact with:

• Anticoagulants (e.g., warfarin): May enhance bleeding risk
• Beta-blockers (e.g., propranolol): Effects may be altered
• Theophylline: Drug levels may change
• Digoxin: Dose adjustment may be necessary
• Iodine-containing medicines or contrast agents

Always inform your doctor of all medicines, supplements, or herbal products you are taking before starting Propyracil.