Thyroid tablet is used to treat an underactive thyroid gland (a condition in which the production of thyroid hormone in the body is abnormally low).
Take this medicine exactly as directed by your doctor or according to the instructions on the label. Do not take more or less than instructed by your doctor.
Take it on an empty stomach, at least 30 minutes to 1 hour before breakfast. Try to take it at the same time each day.
Thyroid tablet must be taken regularly for it to be effective. Continue taking this medicine even when you feel better. Do not stop taking it unless instructed by the doctor.
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and return to your normal dosing schedule.
DO NOT double a dose under any circumstances.
If you often forget to take your medicine, let your doctor and pharmacist know.
Alert your doctor if you have the following conditions:
- untreated overactive thyroid
- uncorrected adrenal insufficiency (a condition where the adrenal glands do not produce adequate amounts of steroid hormones)
as Thyroid tablet may not be suitable for you.
This medicine is not intended for use in weight reduction.
Inform your doctor if you have the following conditions:
- heart disease e.g. chest pain
- diabetes (a lifelong condition that causes a person's blood sugar level to become too high)
- diabetes insipidus (a rare condition where you produce a large amount of urine and often feel thirsty)
- myxedema (a severe manifestation of underactive thyroid)
Let your doctor know if you are pregnant or breastfeeding.
Be sure to check with your doctor or pharmacist before giving Thyroid tablet to an elderly person. Elderly people may be more sensitive to the side effects.
For as long as you are taking this medicine, you may need to have regular blood tests to check your body’s response to the medicine. Your doctor will advise you about how often you need to have these tests.
Thyroid tablet may cause any of the following side effects: stomach cramps, hair loss, loss of muscle control or balance, palpitations, constipation, sweating, diarrhoea, shortness of breath, fever, headache, heat intolerance, increased appetite, difficulty sleeping, menstrual disorder, muscle pain, nervousness, tremor, vomiting and weight loss.
Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Inform your doctor and pharmacist if you are taking any of these medicines:
- blood-thinning medicines e.g. warfarin
- cholesterol lowering medicines e.g. colestyramine, colestipol
- medicines for diabetes e.g. insulin, metformin, glimepiride, glipizide
- medicines for heart disease e.g. amiodarone, digoxin
- medicine for asthma e.g. theophylline
- medicine for depression e.g. imipramine, amitriptyline
- birth control pills e.g. estrogen-containing birth control pills
This list does not include all medicines that may interact with Thyroid tablet.
Always notify your doctor and pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements and medicines that you buy without a prescription.
Avoid alcohol.
Store in a cool, dry place away from the reach of children.
Medicines must not be used past the expiry date.
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