Last reviewed 2026-04-23 · How we verify

Eltroxin administration

Eltroxin is a synthetic form of the thyroid hormone levothyroxine, used to treat hypothyroidism.

Eltroxin is a synthetic form of the thyroid hormone levothyroxine, used to treat hypothyroidism. Used for Hypothyroidism, Myxedema coma.

At a glance

Mechanism of action

It works by replacing the thyroid hormone that the body is unable to produce, thereby regulating metabolism and energy levels. The exact mechanism of action is not fully understood, but it is thought to involve the binding of levothyroxine to thyroid hormone receptors in the body.

Approved indications

• Hypothyroidism
• Myxedema coma

Common side effects

• Nausea
• Headache
• Fatigue
• Weight loss
• Hair loss

Key clinical trials

• Novel Approaches to the Treatment of Hypothyroidism (PHASE2, PHASE3)
• Comparison of Levothyroxine Formulations in the Treatment of Congenital Hypothyroidism
• Thyroid Hormone for Treatment of Nonalcoholic Steatohepatitis in Veterans (PHASE2)
• Precision Medicine Approach for Early Dementia & Mild Cognitive Impairment (PHASE3)
• Thyroid Hormone Replacement After Radio Iodine: Value and Efficacy
• Levothyroxine Treatment on Cardiac Function in Children With Subclinical Hypothyroidism (NA)
• COACH - Comparing Two Different Methods to Suppress Thyrotropin in Patients With Advanced Thyroid Cancer (PHASE2)
• 131I-Omburtamab, in Recurrent Medulloblastoma and Ependymoma (PHASE2)

Primary sources

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Competitive intelligence

For the full competitive landscape — auto-detected comparators, recent regulatory actions across the set, upcoming PDUFA, patent timeline, sponsor landscape:

• Eltroxin administration CI brief — competitive landscape report
• Eltroxin administration updates RSS · CI watch RSS
• Meir Medical Center portfolio CI