 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST]  needed. Consult your pharmacist or local waste disposal company.The uses of Propylthiouracil Oral: Propylthiouracil is used to treat overactive thyroid (hyperthyroidism). It works by stopping the thyroid gland from making too much thyroid hormone.This medication is not recommended for use in children. How to use Propylthiouracil Read the Medication Guide provided by your pharmacist before you start taking propylthiouracil and each time you get a refill. If you have any questions, ask your doctor or pharmacist. Take this medication by mouth with or without food as directed by your doctor, usually 3 times a day (every 8 hours). Dosage is based on your medical condition and response to treatment. Take this medication exactly as directed. Do not increase your dose or take it more often than prescribed. Your condition will not improve faster, and your risk of side effects will increase. Use this medication regularly to get the most benefit from it. To help you remember, take it at the same times each day. Do not stop taking this medication without consulting your doctor. Tell your doctor if your condition does not improve or if it worsens.The side effects of Propylthiouracil Oral: </s>