Thyrox 75 Mcg Tablet (120 Tab)

THYROX 75 MCG TABLET (120 TAB) by MACLEODS PHARMACEUTICALS PVT LTD

THYROX 75 MCG TABLET is a synthetic thyroid hormone medication manufactured by Macleods Pharmaceuticals Pvt. Ltd.. It is prescribed to replace the natural hormone thyroxine when the body's thyroid gland does not produce sufficient amounts.

• Name

  • Brand Name: THYROX 75 MCG TABLET
  • Common Name: Levothyroxine Sodium (synthetic Thyroxine or T4)

• Composition

  • Each tablet contains 75 mcg of Levothyroxine Sodium.

• Uses THYROX 75 MCG TABLET is primarily used for:

  • Hypothyroidism: Treating an underactive thyroid gland, a condition where the thyroid gland does not produce enough thyroid hormones.
  • Goitre Management: Reducing the size of an enlarged thyroid gland (goitre).
  • Thyroid Cancer: As an adjunct to surgery and radioiodine therapy for thyrotropin-dependent well-differentiated thyroid cancer.

• Dosage and Administration

  • THYROX 75 MCG TABLET should be taken orally, once daily, preferably in the morning on an empty stomach.
  • It should be taken at least 30-60 minutes before breakfast or any other food or medications.
  • The exact dosage and duration are determined by a healthcare professional based on individual thyroid hormone levels, age, and weight.
  • Regular monitoring of thyroid function tests is important to ensure the effectiveness of the medicine and proper dosage.

• Side Effects

  • Common Side Effects: Excessive sweating, increased appetite, tremors or shaking of hands and feet, heat intolerance, nausea, vomiting, diarrhea, weight loss, restlessness, irritability, nervousness, headache, sleeplessness (insomnia), abdominal cramps, changes in menstrual cycle, and temporary hair loss.
  • Serious Side Effects: Irregular heartbeat (palpitations), chest pain and discomfort, rapid or irregular heartbeat (tachycardia), increased blood pressure, shortness of breath, severe allergic reactions (including skin rash, difficulty breathing, swelling of the face or throat), and increased pressure around the brain in children. If serious side effects occur, seek immediate medical attention.

• Precautions

  • Contraindications: This medicine is not recommended for individuals with a known allergy to levothyroxine or any other ingredient, untreated hyperthyroidism (overactive thyroid), untreated adrenal insufficiency, or a recent heart attack (acute myocardial infarction).
  • Medical Conditions: Use with caution in patients with cardiovascular disease, diabetes (blood sugar levels may be affected, requiring dose adjustments for antidiabetic medications), and thyroid nodules.
  • Drug Interactions: Antacids (e.g., aluminum hydroxide, calcium carbonate), iron preparations, sucralfate, cholestyramine, and soy-based formulas can reduce the absorption of Thyrox. It is recommended to maintain a minimum gap of 4-5 hours between taking these substances and THYROX. Tricyclic antidepressants may enhance the effects of thyroxine.
  • Other Warnings: THYROX should not be used for weight reduction in individuals with normal thyroid function. Do not stop taking the medication without consulting your doctor, as symptoms may recur.

• Storage

  • Store in a cool and dry place below 25°C or 30°C, away from direct sunlight and heat.
  • Keep out of sight and reach of children.

Here are some frequently asked questions about THYROX 75 MCG TABLET:

What is THYROX 75 MCG TABLET used for?

THYROX 75 MCG TABLET is primarily used to treat hypothyroidism, a condition where the thyroid gland does not produce enough thyroid hormones. It helps restore normal hormone levels in the body, improving overall health and alleviating symptoms like tiredness, weight gain, and depression. It can also be used in the management of goiter (enlargement of the thyroid gland) and certain TSH-responsive thyroid tumors.

How does THYROX 75 MCG TABLET work?

THYROX 75 MCG TABLET contains Thyroxine sodium (Levothyroxine), which is a synthetic form of the natural thyroid hormone Thyroxine (T4). It works by replacing or supplementing the body's deficient thyroid hormone levels. Once absorbed, T4 is converted into the more active Triiodothyronine (T3) in the body's tissues, which then helps regulate metabolism, energy levels, heart and muscle function, brain development, and bone health.

What is the usual dosage for THYROX 75 MCG TABLET?

The dosage of THYROX 75 MCG TABLET is highly individualized and determined by your doctor based on your thyroid hormone levels and clinical response. It is typically taken once daily, usually first thing in the morning on an empty stomach, at least 30 to 60 minutes before breakfast or other medications. Your doctor may start you on a lower dose and gradually increase it based on regular blood tests to ensure effectiveness and minimize side effects.

What are the possible side effects of THYROX 75 MCG TABLET?

Side effects are often associated with taking a higher dose than needed, leading to symptoms similar to an overactive thyroid. Common side effects can include headache, diarrhea, nausea, vomiting, sweating, muscle cramps, tremors (shaking), nervousness, irritability, sleeplessness (insomnia), increased appetite, weight loss, heat intolerance, palpitations (irregular heartbeat), and chest pain. If you experience persistent or severe side effects, consult your doctor.

Is THYROX 75 MCG TABLET safe during pregnancy or breastfeeding?

Yes, THYROX 75 MCG TABLET is generally considered safe to use during pregnancy and while breastfeeding. It is crucial to continue taking it throughout pregnancy as uncontrolled hypothyroidism can negatively impact both the mother and the baby. Your doctor may need to adjust your dose during pregnancy due to increased requirements. While a small amount of levothyroxine passes into breast milk, it is typically not enough to harm a nursing infant.

Can THYROX 75 MCG TABLET be taken with other medications?

THYROX 75 MCG TABLET can interact with several other medications. Antacids, calcium or iron supplements, multivitamins with minerals, and certain cholesterol-lowering medicines (like cholestyramine) can reduce its absorption. It's recommended to take THYROX 75 MCG TABLET at least 4 hours before or after these medications. Additionally, it may affect blood sugar levels, requiring dose adjustments for anti-diabetic medications, and can interact with some antidepressants and blood thinners. Always inform your doctor about all medications, supplements, and herbal preparations you are taking.

What precautions should be taken while on THYROX 75 MCG TABLET?

THYROX 75 MCG TABLET should not be used for weight loss or to treat obesity. Caution is advised if you have heart disease, diabetes, or adrenal gland disorders, as your doctor may need to adjust the dose and monitor your condition closely. Regular thyroid function tests are essential to ensure the medication is working effectively and to prevent an overdose. Certain foods like grapefruit juice, soybean products, walnuts, and high-fiber foods may affect its absorption, so it's advisable to avoid consuming them around the time you take your medication.

What happens if a dose of THYROX 75 MCG TABLET is missed?

If you miss a dose, take it as soon as you remember. However, if it is almost time for your next scheduled dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for the missed one.

How should THYROX 75 MCG TABLET be stored?

Store THYROX 75 MCG TABLET in a cool, dry place, typically below 25°C or 30°C, away from direct sunlight and moisture. Keep the bottle tightly closed and out of the sight and reach of children.