Neomercazole (Carbimazole)

Carbimazole tablet

What is carbimazole?

Carbimazole tablets is an anti-thyroid drug used to treat hyperthyroidism or over-active thyroid, also known as Grave’s Disease or goitre, to reduce high levels of thyroid hormone.

Important Information

Do not take carbimazole if you have an allergy to:

• Any medicine containing carbimazole;
• Any of the ingredients listed here.

Do not take carbimazole if you have had any of the following medical conditions:

• Growth of the thyroid gland downwards from the neck into the chest (retrosternal goitre);
• Serious blood disorder;
• Severe liver disorder;
• Airway obstruction.

Do not take this medicine after the expiry date printed on the pack or if the packaging is torn or shows signs of tampering. If it has expired or is damaged, return it to your pharmacist for disposal.

Carbimazole side effects

Some medicines and Neo-Mercazole may interfere with each other. These include:

• Iodine or any preparation containing iodine;
• Theophylline, used to treat asthma or breathing problems;
• Medicines called anticoagulants, which are used to thin blood e.g. warfarin;
• Prednisolone, used to treat allergic disorders, skin conditions, ulcerative colitis, arthritis, lupus, psoriasis or breathing disorders;
• Erythromycin, used to treat bacterial infections;
• Digitalis, used to treat heart conditions;

Beta-blockers, used to treat heart conditions and high blood pressure.Tell your doctor or pharmacist if you notice any of the following and they worry you:

• Nausea;
• Headache;
• Pain in joints;
• Stomach upsets;
• Skin rashes;
• Itchiness;
• Loss of sense of taste;
• Hair loss.

These are the more common side effects of Neo-Mercazole.
Tell your doctor as soon as possible if you notice any of the following:

• Abdominal pain;
• Rash on the hands and feet;
• Facial swelling;
• Hoarseness;
• Difficulty breathing;
• Blood in the urine.

The above list includes serious side effects that may require medical attention.
Tell your doctor immediately or go to Accident and Emergency at your nearest hospital if you notice any of the following:

• Liver pain, or yellowing of your skin or the whites of your eyes;
• Sore throat, mouth ulcers, high temperature or fever, increased tendency for bruising or bleeding, extreme tiredness.

What other drugs will affect carbimazole?

Some medicines and carbimazole may interfere with each other. These include:

• Iodine or any preparation containing iodine;
• Theophylline, used to treat asthma or breathing problems;
• Medicines called anticoagulants, which are used to thin blood e.g. warfarin;
• Prednisolone, used to treat allergic disorders, skin conditions, ulcerative colitis, arthritis, lupus, psoriasis or breathing disorders;
• Erythromycin, used to treat bacterial infections;
• Digitalis, used to treat heart conditions;
• Beta-blockers, used to treat heart conditions and high blood pressure.