Buy Synthroid (Levothyroxine) Online

Synthroid, the preparation based on levothyroxine sodium, represents the class of synthetic hormone drugs, similar to thyroid hormone thyroxine. The primary indication of the drug is replenishing the deficit of thyroid hormone. In clinical practice the preparation is assigned to resolve metabolism problems and stimulate tissues growth and development.

Small doses of Synthroid accelerate the synthesis of fats and proteins. Average dose enhance the regrowth of tissues, and their demand for oxygen and increase metabolism (fats, proteins and carbohydrates). The medication stimulates central nervous and cardiovascular systems. Large doses of Synthroid inhibit the endocrine glands (pituitary and hypothalamus).

Mechanisms of action

The therapeutic effect occurs after 7-12 day after the initiation of treatment course. If the patient has decreased levels of thyroid hormones, the onset of action in the drug occurs rapidly (after 3-5 days since the start of treatment). In case of diffuse goiter the therapeutic effect is reported as a rule no less than 3-5 month after the beginning of the course.

After the cessation of treatment the drug has an effect even up to 2 weeks. In small and medium therapeutic doses Synthroid stimulates and accelerates the growth of muscle and adipose tissues and has a stimulating effect on the growth and development it is considered a regulator of metabolism, contributes to an enhanced heart, blood vessels and brain functioning.

The maximum dose in Synthroid overactivity of the thyroid gland, in particular, to reduce the generation of its own thyroxine, because an excessive amount of this hormone in the blood has a toxic effect on the human body.


The purpose of this formulation is typically appointed in the following conditions:

  • toxic goiters;
  • primary and secondary hypothyroidism;
  • euthyroid goiter;
  • thyroid cancer

The preparation is also prescribed as a means of anti-preventive and after surgery to remove the thyroid gland. The duration of drug therapy, its dosage, as well as the use of additional funds is determined after a preliminary consultation with an Endocrinologist.

Therapeutic treatment should be carried out according to the nature of the disease, as well as taking into account the individual characteristics of each organism. The drug is recommended to be taken during the morning hours or 30-40 minutes before meals. Tablets should be swallowed whole, without chewing and and little water of a glass).

Instructions for use

Patients under the age of 55 having no significant heart, liver or kidney diseases are appointed 75 100 micrograms of Synthroid daily (women); in males the dosage is higher and varies from 100 to 150 micrograms per day. Patients over the age of 55 years and those suffering from cardiovascular diseases should not exceed the 25 micrograms daily dosage.

In the event of symptoms of side effects your doctor may reduce the daily dose or cease the treatment (depending on the severity of side effects). The resumption to the treatment should be started with lower doses. Termination of the course should be carried out in consultation with a physician. After stopping the treatment the drug’s effect lasts for another 7-12 days. The drug should be cancelled gradually within 2-3 weeks (determined by the doctor) to avoid significant complications and adverse reactions.

Important information

Self-treatment aimed at weight loss can lead to serious consequences. Hormonal agents, not controlled by the doctor, may entail malfunction in endocrine glands, and not only the thyroid. Extended hypothyroidism leads to faster metabolism and increased appetite.

In this case, instead of the expected weight loss, body mass can be increased. Improper dosage may cause number of adverse reactions of the nervous, bone and cardiovascular systems.

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