The active ingredient in Propylthiouracil tablets is propylthiouracil, which belongs to a group of medicines called antithyroid drugs. These medicines work by reducing the production of a hormone called thyroxine by the thyroid gland (a gland located beneath the box in the throat that produces thyroid hormone and helps to regulate growth and metabolism). Propylthiouracil Tablets are used in the treatment and management of an overactive thyroid gland (hyperthyroidism). Propylthiouracil Tablets are not recommended for use in children under six years of age. Unless instructed differently, take your tablets with a glass of water.

Manufacturer Information

Canadian Pharmacy King currently offers the generic Propylthiouracil from Canada in the strength of 50 mg and 100 mg tablets, which has been discontinued at this time. The brand version is unavailable. Propylthiouracil Side Effects

Common side effects of Propylthiouracil may include feeling sick or being sick; stomach upsets; taste disturbance; headaches; hearing impairment; mild skin rashes; itching or reddening of the skin; hair loss; pain or stiffness of your muscles or joints; abnormal results of liver function tests. Call your doctor immediately if you notice more serious side effects such as:

• Symptoms of an allergic reaction;
• Symptoms of a serious problem affecting your blood: sore throat, fever, mouth ulcers, unusual bleeding, unusual tiredness or weakness, feeling generally unwell;
• Symptoms of hepatitis (inflammation of your liver), liver failure or other forms of liver damage: loss of appetite, itching, pain on the right side of your stomach, jaundice (yellowing of the skin and whites of the eyes)

This is not a complete list of side effects, and others may occur. Contact your doctor if any of these side effects worsen or persist.

Do not take Propylthiouracil Tablets if you are severely allergic to propylthiouracil or any of the other ingredients of Propylthiouracil Tablets or have a rare hereditary condition affecting the way your body handles some sugars. Check with your doctor if have some cases of severe liver reactions or have liver or kidney problems. Taking other medicines while you are taking Propylthiouracil Tablets can affect how it or the medicine works. Please inform your doctor or pharmacist if you are taking or have recently taken any other medicines or herbal products, including those you may have bought yourself without a prescription. Please check with your doctor if you are taking Theophylline, a drug used to treat asthma; Digoxin, used to treat heart problems; Beta-blockers, used to treat high blood pressure; Radio-iodine, used to treat an overactive thyroid gland. The potential of Propylthiouracil Tablets to cause harm to an unborn baby is uncertain. If you are pregnant, think you may be pregnant or are planning to have a baby, tell your doctor straight away. Propylthiouracil Tablets may be taken during pregnancy but it may affect your unborn child’s thyroid gland. You should inform your doctor if you are breast-feeding or wish to start breast-feeding whilst taking Propylthiouracil Tablets. If you have been told by your doctor that you have an intolerance to some sugars, contact your doctor before taking this medicinal product, as it contains lactose.

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