Manufacturer: Intas Pharmaceuticals Ltd
Salt Composition : Thyroxine(12.5mcg)
Bottle of 50 Tablet
(Inclusive of all taxes)
Before you start taking Lethyrox 12.5 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, nervousness, or 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.
Lethyrox 12.5 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).
Thyroxine is released from its precursor protein thyroglobulin through proteolysis and secreted into the blood where is it then peripherally deiodinated to form triiodothyronine (T3) which exerts a broad spectrum of stimulatory effects on cell metabolism.
Most side effects do not require any medical attention and disappear as your body adjusts to the medicine. Consult your doctor if they persist or if you’re worried about them
Common side effects of Lethyrox
Palpitations
Vomiting
Anxiety
Diarrhea
Flushing (sense of warmth in the face, ears, neck and trunk)
Weight loss
Nervousness
Restlessness
overactive thyroid gland
diabetes
pituitary hormone deficiency
a condition where the adrenal glands produce less hormones called Addison's disease
coronary artery disease
osteoporosis, a condition of weak bones
decreased calcification or density of bone
Lethyrox 12.5 Tablet is safe to use during pregnancy. Most studies have shown low or no risk to the developing baby.
Consuming alcohol with Lethyrox 12.5 Tablet does not cause any harmful side effects.
Lethyrox 12.5 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.
Use with caution
Below 9years: Contraindicated
Thyroxine is used in the treatment of hypothyroidism. Thyroxine 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 and relieves the symptoms of hypothyroidism (tiredness, weight gain, and depression).
Medicines like appetite suppressant (phentermine), acidity medicine (esomeprazole), anti-diabetic drug (metformin), calcium/vitamin D, and neuro-related medicine (amphetamine/dextroamphetamine), interact with THYROXINE. So, if you are taking these medicines make sure you contact your doctor before taking THYROXINE.
Do not chew, crush or break it. Lethyrox 12.5 Tablet is to be taken empty stomach.
Store below 30°C
If you miss a dose of Lethyrox 12.5 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.
Consult a doctor before taking any medicines.
Lethyrox 12.5 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, Lethyrox 12.5 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 Lethyrox 12.5 Tablet as all brands may not have the same effect.
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. Lethyrox 12.5 Tablet is to be taken empty stomach.
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 Lethyrox 12.5 Tablet?
You should take Lethyrox 12.5 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 Lethyrox 12.5 Tablet be taken?
Take Lethyrox 12.5 Tablet exactly as advised by your doctor. Lethyrox 12.5 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 Lethyrox 12.5 Tablet?
Lethyrox 12.5 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. 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.
Q. Does Lethyrox 12.5 Tablet affect contraception?
Oral birth control pills, which contain both estrogen and progesterone may reduce the amount of Lethyrox 12.5 Tablet in your body and therefore the dose of Lethyrox 12.5 Tablet may have to be increased.
