Description
π Eltroxin 100 mcg (Levothyroxine Sodium)
π©Ί Product Description
Essential Hormone Replacement for Hypothyroidism
Eltroxin 100 mcg is a prescription medication used to treat hypothyroidism (underactive thyroid gland), a condition where the thyroid gland does not produce sufficient thyroid hormone. It is also used in the management of non-toxic goiter (enlarged thyroid gland) and sometimes following treatment for thyroid cancer.
At the heart of Eltroxin 100 mcg is the active ingredient Levothyroxine Sodium, which is a synthetic form of the naturally occurring thyroid hormone T4 (L-thyroxine). By replacing the missing natural hormone, Levothyroxine works to restore the body’s normal metabolic processes, which include regulating heart rate, energy utilization, body temperature, and digestion.
The 100 mcg strength is a very common maintenance dose prescribed for adults who require this specific level of hormone replacement, as determined by regular blood tests (TSH and Free T4 levels). Consistent, lifelong daily use is required for most patients with permanent hypothyroidism to maintain a healthy, euthyroid (normal) state.
Key Benefits:
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Effectively replaces deficient thyroid hormone.
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Restores normal metabolic rate, combating symptoms like fatigue, weight gain, and cold intolerance.
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Helps to maintain stable heart function and energy levels.
β οΈ Precautions
Is Eltroxin 100 mcg Right for You?
Before starting this medication, transparency with your endocrinologist is essential, as the dose must be meticulously individualized and monitored.
Please inform your doctor if the patient:
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Has Untreated Adrenal Insufficiency: CRITICAL: Starting thyroid hormone replacement before treating adrenal problems can trigger a life-threatening adrenal crisis.
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Has Cardiovascular Disease: Inform your doctor if you have a history of heart attack, angina (chest pain), or irregular heart rhythms (e.g., Atrial Fibrillation), as the dosage must be started low and increased slowly.
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Has Diabetes: Levothyroxine can affect blood sugar control, potentially requiring adjustments to diabetes medication.
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Is taking other medications: Many common drugs, including calcium supplements, iron supplements, antacids, and certain cholesterol-lowering agents (like Cholestyramine), can bind to Levothyroxine in the gut and severely impair its absorption.
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Is Pregnant or Planning Pregnancy: Hypothyroidism must be treated during pregnancy, but the dosage usually needs to be increased to meet the higher metabolic demands. Close monitoring by a specialist is required.
β‘ Side Effects
Understanding Potential Reactions
Side effects from Eltroxin are usually a strong indication that the dosage is too high (overmedication), leading to symptoms of hyperthyroidism (overactive thyroid).
Common Side Effects (Signs of being overmedicated) include:
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Palpitations or rapid, irregular heartbeat (Tachycardia).
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Excessive sweating or intolerance to heat.
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Tremors (shaking of the hands).
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Nervousness, irritability, or mood swings.
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Insomnia (difficulty sleeping).
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Unexplained weight loss.
Serious Side Effects (Seek medical attention immediately):
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Severe Chest Pain (Angina) or Shortness of Breath.
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Severe Allergic Reaction: Rash, hives, or swelling of the face, lips, and throat.
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Seizures.
Note: If you experience any of these, contact your doctor immediately, as your dose likely needs to be reduced and adjusted.
π How to Use
Guidelines for Effectiveness and Absorption
Consistent and proper administration is absolutely critical to ensure optimal absorption and stable hormone levels, which are the cornerstone of successful treatment.
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Dosage: Take the tablet exactly as prescribed, once daily.
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Timing: CRITICAL: Take your dose in the morning on an empty stomach.
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Administration: Swallow the tablet whole with a full glass of water (240 mL).
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The “Wait 30-60 Minutes” Rule: To ensure full absorption, wait at least 30 to 60 minutes before eating breakfast, drinking coffee, or taking any other medications, supplements, or vitamins.
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Consistency: Always take the drug at the same time and under the same conditions (e.g., always before breakfast).
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Monitoring: You must attend all scheduled appointments for blood tests (TSH and T4) to allow your doctor to accurately adjust your dosage.
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If You Miss a Dose: Take it as soon as you remember on that day. If it is the next day, skip the missed dose and resume your regular schedule. Do not take two doses at once.
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Storage: Keep the medication in a cool, dry place away from moisture and light.






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I was skeptical at first about ordering online, but the quality speaks for itself. It works just as well as the expensive version I used to buy.
Admin –
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My order was packed with care. The glass bottles were individually wrapped. You can tell they value their reputation.
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David Ross (verified owner) –
Great packaging effort. They used plenty of bubble wrap and a sturdy box, so the product arrived in perfect condition despite the long journey. Small details like secure taping really matter.
Admin –
Thank you, David. Since our products travel internationally via courier, we double-check every package to ensure it is fully protected against impact during transit.