Lethyrox 125 Tablet (Thyroxine 125mcg)

Lethyrox 125 Tablet

Lethyrox 125mcg Tablet is primarily used to treat Hypothyroidism, a condition where the thyroid gland (a butterfly-shaped organ located in the base of the neck) does not produce sufficient quantities of the required hormones.

Lethyrox 125mcg Tablet is also used to treat certain other disorders associated with the thyroid gland. It replaces a hormone normally produced by the thyroid gland to regulate the body’s energy and metabolism. Lethyrox 125 mcg Tablet will be prescribed by your doctor after determining your thyroid hormone levels.

Lethyrox 125 mcg Tablet may cause side effects such as excessive sweating, increased hunger, tremors or shaking of hands and legs, heat intolerance, nausea, and vomiting, diarrhoea, weight loss, restlessness, irregular heartbeat, etc. Consult your doctor if the side effects persist for a long time.

Lethyrox 125mcg Tablet should be taken in the morning on an empty stomach, at least 30-60 minutes before breakfast. Take this medication at the same time every day for better results and to decrease the likelihood of a missed dose.

Lethyrox 125mcg Tablet should be avoided if you are allergic to it or have heart conditions or hyperthyroidism (a condition where the thyroid gland secretes excess quantities of thyroid hormones), thyrotoxicosis (a condition where extremely high levels of thyroid hormones secreted by the thyroid gland show effects on the tissue level) or adrenal insufficiency (a condition where the adrenal glands which are present above the kidney, cannot secrete sufficient quantities of steroidal hormones).

Lethyrox 125 mcg Tablet use may cause weight loss, but it should not be prescribed or taken to treat obesity. Inform your doctor if you have diabetes, as Lethyrox 125mcg Tablet may cause altered blood sugar levels.

Lethyrox 125 mcg Tablet is safe for children and can be used during pregnancy and while breastfeeding. Consult your doctor if you are pregnant, trying to get pregnant, or are breastfeeding before using this medicine.

Substitutes

List of substitutes for Lethyrox 125 mcg Tablet
Thyronorm 125 mcg Tablet
Abbott India Ltd.
Thyroup 125 mcg Tablet
Lupin Ltd.
Thyrox 125 mcg Tablet
Macleods Pharmaceuticals Pvt. Ltd.
Eltroxin 125 mcg Tablet
Glaxosmithkline Pharmaceuticals Ltd.
Side effects
Major & minor side effects for Lethyrox 125 mcg Tablet
Shaking and trembling of arms and feet
Headache
Nausea and Vomiting
Diarrhoea
Abdominal cramps
Nervousness and irritability
Sleeplessnes
Excessive sweating
Fever
Changes in menstrual cycle
Temporary hair loss
Chest pain and discomfort
Rapid or irregular heartbeat
Thyrotoxic crisis
Weight loss
Increased appetite
Heat intolerance

Uses of Lethyrox 125mcg Tablet

What is it prescribed for?
Hypothyroidism
Lethyrox 125mcg Tablet is used to treat a condition called hypothyroidism where the thyroid gland does not produce thyroid hormones in sufficient quantities.
Thyroid cancer
Lethyrox 125 mcg Tablet is used along with surgery and radioiodine therapy for the treatment of thyroid cancer. It is also used to treat or prevent goitre (enlarged thyroid gland) associated with thyroid cancer or radiation therapy.

Related Product

When not to use?

Allergy
Lethyrox 125mcg Tablet is not recommended for use if you are allergic to it. Inform your doctor if there is any swelling or itching on any part of your body.
Thyrotoxicosis
Thyrotoxicosis is a condition where you have extremely high thyroid hormone concentrations in your body due to excessive hormone production from the thyroid gland. Lethyrox 125mcg Tablet is not recommended for use if you have thyrotoxicosis as it may cause undesirable effects.
Adrenal insufficiency
Lethyrox 125 mcg Tablet is not recommended for use in people with an untreated Adrenal insufficiency. It is a condition where the adrenal glands (small, triangular-shaped glands located on top of both kidneys) do not produce a sufficient quantity of steroidal hormones. If you have adrenal insufficiency, the use of Lethyrox 125mcg Tablet may make your condition worse.
Acute myocardial infarction
Lethyrox 125 mcg Tablet is not recommended for use if you have recently experienced a heart attack (decreased blood flow to the heart).

Warnings

Warnings for special population
Pregnancy
Lethyrox 125 mcg Tablet is safe for use during pregnancy. Consult your doctor before taking this medicine.
Breast-feeding
Lethyrox 125 mcg Tablet is safe for use while breastfeeding. Consult your doctor before taking this medicine.
General warnings
Other medicines
Inform your doctor about all the medicines you are using, including dietary supplements and herbal preparations before starting treatment with Lethyrox 125 mcg Tablet since the likelihood of interactions is significantly high.
Other diseases
Inform your doctor about the medical conditions you may have or had before starting treatment with Lethyrox 125 mcg Tablet. Your doctor may make appropriate adjustments in the dose and the duration of treatment based on your clinical condition.
Thyroid nodules
Lethyrox 125 mcg Tablet should be used with extreme caution if you have thyroid nodules, as it may lead to thyrotoxicosis (action of excess thyroid hormone in the body leading to adverse effects). Its use is contraindicated if the serum TSH level is already suppressed.
Use in postmenopausal women
Lethyrox 125 mcg Tablet is not recommended for use in postmenopausal women with osteoporosis (a condition that causes brittle and weak bones), heart problems, or any other systemic illness. Long-term use of this medicine may cause a decrease in bone mineral density, which may increase the risk of fractures.
Treatment of obesity
Lethyrox 125 mcg Tablet should not be used for the treatment of obesity, especially if there are normal thyroid hormone levels.
Treatment of infertility
Lethyrox 125 mcg Tablet should not be used for the treatment of male/female infertility unless associated with low thyroid hormone levels.
Dose adjustments
Appropriate dose adjustments will be made based on your clinical condition, use of other medicines, food habits, and other parameters. Under-dosing or overdosing may lead to severe side effects.
Use in elderly
Lethyrox 125 mcg Tablet should be used with caution in the elderly since the risk of side effects are significantly high.

Dosage

Missed Dose
Avoid missing a scheduled dose of Lethyrox 125 mcg Tablet. If you miss a dose, take it as soon as you remember. However, if it is almost time for the next scheduled dose, skip the missed dose. Do not double your dose to make up for the missed one.
Overdose
Contact your doctor immediately if you suspect an overdose with Lethyrox 125mcg Tablet. Symptoms may include a headache, shaking and trembling of hands and feet, nervousness, irritability, chest pain, shortness of breath, fast and pounding heartbeats, etc.

General Instructions

Take Lethyrox 125 mcg Tablet exactly as prescribed by your doctor.

Take it on an empty stomach, at least 30-60 minutes before breakfast.

Do not take Lethyrox 125 mcg Tablet in larger or smaller quantities than prescribed.

Do not take any other medications like antacids, calcium or iron supplements, and multivitamins, at least up to four hours of taking Lethyrox 125 mcg Tablet as they may affect the absorption.

Your doctor may recommend regular tests to monitor your hormone levels. Inform your doctor if you notice a significant change in your body weight. The dose may be adjusted accordingly.