Levothyroxine vs Combination T4T3 Therapy Which is Best for Hypothyroidism Treatment -Thyroid Treatment - Dragonfly Medspa
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Levothyroxine vs. Combination T4/T3 Therapy: Which is Best for Hypothyroidism Treatment?

Levothyroxine vs. Combination T4/T3 Therapy: Which is Best for Hypothyroidism Treatment? - Dragonfly Medspa

Ensuring proper functioning of your body requires effective medication for your underactive thyroid gland. While levothyroxine, a synthetic version of thyroxine (T4), remains the standard treatment for hypothyroidism, there is growing interest in combining T4 with triiodothyronine (T3) for a more holistic approach.

Understanding Levothyroxine (T4)

Understanding Levothyroxine (T4) - Dragonfly Medspa

Doctors commonly recommend once-daily doses of levothyroxine (also known as L-thyroxine or T4) as the recommended therapy for hypothyroidism. Brand names for T4 in the United States include Synthroid, Levoxyl, and Unithroid, while generic levothyroxine is also available.

T4 over-replacement, where excessive levothyroxine is administered, can lead to a condition called T4 induced thyrotoxicosis. However, it is important to note that this side effect is rare and can be easily addressed through dose adjustment.

Supplementing with Liothyronine (T3) Medication

Supplementing with Liothyronine (T3) Medication - Dragonfly Medspa

Some healthcare providers and hormone replacement specialists advocate for the inclusion of T3 (triiodothyronine) alongside T4 for hypothyroidism treatment.

The challenge with using T3 alone is that its lifespan is short, requiring twice-daily administration. T3 levels in the body fluctuate, and elevated levels can result in symptoms of hyperthyroidism, such as insomnia, a rapid heart rate, and anxiety.

Exploring Combination T4/T3 Approaches

In addition to separate T4 and T3 pills, there are combination products available that combine both hormones into a convenient once-daily dose, favored by many hormone replacement specialists.

These combination preparations, known generically as Natural Desiccated Thyroid (NDT), replicate the naturally occurring thyroid hormone ratio found in humans. NDT is derived from dried pig glands and is also referred to as natural thyroid. Popular brand names for NDT include Armour Thyroid, NP Thyroid, and Nature-throid.

Finding Your Personal Solution

While the majority of endocrinologists still advocate for levothyroxine (T4 alone) as the primary treatment for hypothyroidism, their reasoning is to avoid the potential hyperthyroid effect. T3 spikes, which are challenging to avoid when taking T3 alone, often lead to unpleasant hyperthyroid symptoms.

However, if persistent hypothyroid symptoms persist despite levothyroxine treatment, a combination T4/T3 trial may be recommended by your healthcare provider. Research suggests that many hypothyroid patients continue to experience symptoms despite ‘normal’ TSH and T4 levels.

This discrepancy arises from the limited testing typically performed by some medical doctors, who typically only assess TSH and T4 levels but may overlook measuring the active hormone T3.

Measuring the active hormone T3 - Thyroid Test - Dragonfly Medspa

It’s important to note that other medical conditions, such as depression, anemia, or fibromyalgia, can also mimic hypothyroidism symptoms.

The broader perspective is that mainstream medicine currently considers T4 medication to be the standard treatment for hypothyroidism. However, the addition of T3 is a subject of ongoing research and debate, with hormone replacement therapy specialists frequently recommending this approach. If you have questions about your thyroid care, feel free to reach out to the medical staff at Dragonfly MedSpa and Hormone Wellness for more information on available options.

Remember, finding the right balance for your thyroid hormone levels may involve some trial and error, particularly in the initial stages of treatment. Be patient as your healthcare provider refines your treatment plan.

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