Eltroxin (Levothyroxine) Customer Reviews


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Levothyroxine is prescribed for the treatment of hypothyroidism, a condition characterized by an underactive thyroid. This medication serves to supplement or augment the levels of thyroid hormone, which are typically produced by the thyroid gland. Insufficient thyroid hormone levels can arise naturally or as a result of injury to the thyroid gland caused by radiation, medications, or surgical removal. Adequate levels of thyroid hormone are essential for sustaining optimal mental and physical functioning. In children, maintaining sufficient thyroid hormone levels is crucial for ensuring normal mental and physical development.

Uses and Dosage

Levothyroxine is available in tablet and capsule forms for oral administration. Typically, it is taken once daily on an empty stomach, preferably 30 minutes to 1 hour before breakfast. Strictly follow the prescribed dosage regimen for levothyroxine, avoiding any deviations such as taking more or less medication or increasing the frequency beyond the doctor’s instructions.

The capsules should be swallowed whole without chewing or crushing, and they should only be removed from the package when ready for consumption.

When taking the tablets, consume them with a full glass of water to prevent potential throat obstruction or the risk of choking or gagging.

If administering levothyroxine to an infant, child, or adult who cannot swallow tablets, you can crush the tablets and mix them with 1 to 2 teaspoons (5 to 10 mL) of water. Only use water for mixing and avoid combining it with food or soybean infant formula. Administer this mixture promptly using a spoon or dropper and refrain from storing it for future use.

Typically, your doctor will initiate treatment with a low dose of levothyroxine and gradually increase it over time.

While levothyroxine effectively manages hypothyroidism, it does not provide a cure. It may take several weeks before noticeable improvements in symptoms occur. Even if you start feeling better, continue taking levothyroxine as prescribed. Do not discontinue the medication without consulting your doctor.

Side Effects

Some side effects may occur that usually do not need medical attention:

  • weight gain or loss
  • headache
  • vomiting
  • diarrhea
  • changes in appetite
  • fever
  • changes in menstrual cycle
  • sensitivity to heat
  • hair loss
  • joint pain
  • leg cramps

Inform your healthcare provider immediately if you experience any serious side effects:

  • agitation
  • anxiety
  • joint pain, stiffness, or limping in children
  • mood swings
  • vomiting
  • seizures
  • fast, pounding, or irregular heartbeat


Prior to initiating levothyroxine treatment, inform your doctor or pharmacist about any known allergies you may have, including allergies to levothyroxine itself or other substances. This medication may contain inactive ingredients that could potentially trigger allergic reactions or other adverse effects.

Before using levothyroxine, disclose your medical history to your healthcare provider or pharmacist, particularly if you have a history of conditions such as thyrotoxicosis, decreased adrenal gland function, heart disease, high blood pressure, or diabetes.

If you have diabetes, levothyroxine may impact your blood sugar levels. Regularly monitor your blood sugar as directed and share the results with your doctor. Promptly inform your doctor if you experience symptoms such as increased thirst/urination, shakiness, unusual sweating, dizziness, or hunger. Your doctor may need to adjust your diabetes medication, exercise regimen, or dietary plan accordingly.

Children may exhibit heightened sensitivity to specific side effects of this medication, notably headaches, changes in vision, and hip/leg pain. Elevated thyroid hormone levels can impede bone development/growth and lead to reduced adult height. Ensure that all scheduled laboratory and medical appointments are kept to enable the doctor to monitor the treatment appropriately.

Older adults may demonstrate increased susceptibility to the side effects of levothyroxine, particularly rapid/pounding/irregular heartbeat.

Levothyroxine may be used during pregnancy. Notify your doctor if you are pregnant, as dosage adjustments may be necessary.

Although levothyroxine can pass into breast milk, it is unlikely to cause harm to a nursing infant. Consult your doctor before breastfeeding.

Form and Strength

Eltroxin is available in the following forms and strengths:

  • levothyroxine tablet:

    • 88mcg


How do you know if Eltroxin is working?

You and your doctor should set up a plan to test and measure thyroid-stimulating hormone (TSH) every few weeks after beginning medication. This is the best way to know whether it is working.

Can Eltroxin cause anxiety?

Eltroxin is a common treatment for hypothyroidism, but if your dose is too high, it can directly lead to anxiety and cause symptoms like rapid heartbeat and shakiness.


  1. https://www.healthcentral.com/condition/hypothyroidism/five-things-do-if-your-thyroid-hormone-medication-isnt-working
  2. https://www.everydayhealth.com/hypothyroidism/hypothyroidism-anxiety-connection/#:~:text=Levothyroxine%20is%20a%20common%20treatment,make%20anxiety%20worse%2C%20says%20Rosenfeld
  3. https://www.medbroadcast.com/drug/getdrug/eltroxin#adverseeffects
  4. https://www.webmd.com/drugs/2/drug-19044/eltroxin-oral/details
  5. https://medlineplus.gov/druginfo/meds/a682461.html
  6. https://www.drugs.com/sfx/eltroxin-side-effects.html

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Can Drug Store has provided information from third parties intended to increase awareness and does not contain all the information about Eltroxin (Levothyroxine). Talk to your doctor or a qualified medical practitioner for medical attention, advice, or if you have any concerns about Eltroxin (Levothyroxine).