Is L-Thyroxine available over the counter?
Since L-thyroxine has a major impact on the heart, metabolism and circulation, L-thyroxine is not available over the counter. The correct dosage is very important to avoid serious side effects. This can only be determined by a doctor by means of a blood sample and has to be controlled during the course of treatment.
Misuse of L-Thyroxine
Thyroxine is also misused as a weight loss drug. For this indication there is neither a marketing authorization nor proof of efficacy. Although taking thyroid hormone can increase the energy metabolism, this can be compensated by an increased food intake. Deaths after overdose are also known.
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