Thyroxium 100mcg Tablet

Composition Thyroxine (100mcg)
Rx Prescription Required
Pack bottle of 100 tablets
Storage Store below 30°C
Chemical Class Iodinated amino acid derivative
Action Class Thyroid Hormones
Habbit Forming
Manufacturer Elder Projects Ltd
Manufacturer address Kunthu Commerce Centre, 301-302, 3rd Floor, Plot No. 174, Bangur Nagar, Goregaon (W), Mumbai MH 400 090

Thyroxium 100mcg Tablet is a medicine used to treat an underactive thyroid gland (hypothyroidism). It replaces the hormone which is not being produced by your thyroid gland in sufficient quantity and helps regulate your body’s energy and metabolism.

Before you start taking Thyroxium 100mcg Tablet, your doctor will do a blood test to see what dose you need. Once you start taking the medicine, you will have regular blood tests to see how well it is working, and the dose may be adjusted from time to time. It is best taken on an empty stomach before your first meal of the day. You should take this medicine regularly to get the maximum benefit. It may take several weeks before your symptoms start to improve. You may need to take it for the rest of your life. If you stop taking it, your symptoms are likely to come back.

The most common side effects of this medicine are caused by taking a higher dose than you need. Possible side effects include palpitations (irregular heartbeat), vomiting, anxiety, diarrhea, weight loss, tremors, increased appetite, and restlessness. Most side effects will disappear once you are on the right dose. Call your doctor straight away if you have a very high temperature, fast or irregular heart rate, low blood pressure, yellowness in the eye/skin, confusion, or fits.

Thyroxium 100mcg Tablet may cause weight loss but should not be prescribed or taken to treat obesity. If you become pregnant while taking this medicine, inform your doctor right away as the dose may have to be increased/readjusted. Many other drugs affect the way this medicine works. Ask your doctor for advice if you are taking any other medications.

Hypothyroidism

Take this medicine in the dose and duration as advised by your doctor. Swallow it as a whole. Do not chew, crush or break it. Thyroxium 100mcg Tablet is to be taken empty stomach.

Thyroxium 100mcg Tablet is a synthetic version of a hormone produced by the thyroid gland. It works by replacing the thyroid hormones that your thyroid gland cannot produce in a sufficient quantity, and relieves the symptoms of hypothyroidism (tiredness, weight gain, and depression).

Q: What if you forget to take Thyroxium Tablet?
A: If you miss a dose of Thyroxium 100mcg Tablet, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and go back to your regular schedule. Do not double the dose.

Thyroxium 100mcg Tablet should be taken on an empty stomach (ideally, first thing in the morning). No food, milk, or tea should be taken 1 hour before and 2 hours after taking this medicine.

It may take 6 to 8 weeks to get the full effect.

For most people, Thyroxium 100mcg Tablet can be a lifelong medication. Do not discontinue it without discussing your doctor.

Inform your doctor if you have diarrhea, nervousness, irritability, sleep disturbances, shaking hands, or chest pain. Your doctor may adjust your dose.

Leave a gap of at least 4 hours before taking any antacids, calcium or iron supplements, and multivitamins, as these may interfere with the effect of the medicine.

Get your hormone levels checked regularly and inform your doctor if you notice a significant change in your body weight. The dose may need to be adjusted.

Inform your doctor before changing the brand of Thyroxium 100mcg Tablet as all brands may not have the same effect.

Q. What should I do if I accidentally take more than the dose required?

An overdose of this medicine may cause nervousness, anxiety, rapid heartbeat, hand tremors, excessive sweating, weight loss, and sleep problems. You should immediately consult your doctor in case of an overdose.

Q. How long do I need to take Thyroxium 100mcg Tablet?

You should take Thyroxium 100mcg Tablet as long as your doctor has recommended. Usually, it is prescribed for the long term and you may have to take it lifelong. Do not stop taking the medicine, as your symptoms of low levels of thyroid hormone may reoccur.

Q. How should Thyroxium 100mcg Tablet be taken?

Take Thyroxium 100mcg Tablet exactly as advised by your doctor. Thyroxium 100mcg Tablet should be taken orally preferably before breakfast or as a first meal of the day. It should be swallowed whole with plenty of water.

Q. Being a diabetic what should I be aware of while taking Thyroxium 100mcg Tablet?

Thyroxium 100mcg Tablet may raise blood sugar levels and may affect the working of other anti-diabetic medicines which you might be taking. Hence, dose adjustment may be required. Consult your doctor who will help you with dose management.

Q. Does Thyroxium 100mcg Tablet affect contraception?

Oral birth control pills, which contain both estrogen and progesterone may reduce the amount of Thyroxium 100mcg Tablet in your body and therefore the dose of Thyroxium 100mcg Tablet may have to be increased.

Q. What are the side effects of taking Thyroxium 100mcg Tablet?

The side effects of Thyroxium 100mcg Tablet are mostly seen when it is taken at high doses. These symptoms include allergic reaction, headache, vomiting, flushing, high temperature, sweating, weight loss, tremor, restlessness, and excitability. It may also cause difficulty in sleeping (insomnia), increased pressure around the brain in children (benign intracranial hypertension), chest pain (angina), pounding, irregular or fast heartbeat, diarrhea, muscle cramps, and muscle weakness. The other side effects related to Thyroxium 100mcg Tablet include deformity of the skull in infants caused by the early closure of joints in the skull bone (craniostenosis), growth in children may slow or stop due to changes in bone growth, irregular periods, intolerance to heat, and temporary hair loss in children.

Q. What does thyroxine do? Why is it important?

Thyroxine hormone controls how much energy your body uses. It plays an important role in regulating your body weight, muscle strength, body temperature, and even your mood. Along with that, it is important for your digestion, heart muscles, brain development, and bone health.

Electrolyte imbalance

Dizziness

Fatigue

Muscle cramp

Headache

Alcohol:SAFE

Consuming alcohol with Thyroxium 100mcg Tablet does not cause any harmful side effects.

Pregnancy:SAFE IF PRESCRIBED

Thyroxium 100mcg Tablet is safe to use during pregnancy. Most studies have shown low or no risk to the developing baby.

Breast feeding:SAFE IF PRESCRIBED

Thyroxium 100mcg Tablet is safe to use during breastfeeding. Human studies suggest that the drug does not pass into the breastmilk in a significant amount and is not harmful to the baby.

Driving:SAFE

Thyroxium 100mcg Tablet does not usually affect your ability to drive.

Kidney:CONSULT YOUR DOCTOR

There is limited information available on the use of Thyroxium 100mcg Tablet in patients with kidney disease. Please consult your doctor.

Liver:CONSULT YOUR DOCTOR

There is limited information available on the use of Thyroxium 100mcg Tablet in patients with liver disease. Please consult your doctor.

Brent GA, Koenig RJ. Thyroid and Anti-Thyroid Drugs. In: Brunton LL, Chabner BA, Knollmann BC, editors. Goodman & Gilman’s: The Pharmacological Basis of Therapeutics. 12th ed. New York, New York: McGraw-Hill Medical; 2011. pp. 1142-43.
Dong BJ, Greenspan FS. Thyroid & Antithyroid Drugs. In: Katzung BG, Masters SB, Trevor AJ, editors. Basic and Clinical Pharmacology. 11th ed. New Delhi, India: Tata McGraw Hill Education Private Limited; 2009. pp. 674-75.
Briggs GG, Freeman RK, editors. A Reference Guide to Fetal and Neonatal Risk: Drugs in Pregnancy and Lactation. 10th ed. Philadelphia, PA: Wolters Kluwer Health; 2015. pp. 796-98.
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Levothyroxine [Prescribing Information]. Morgantown, WV: Mylan Pharmaceuticals Inc.; 2022. [Accessed 07 Aug. 2023]. (online) Available from: View