Synthroid (Levothyroxine) is used to treat low thyroid hormone. It is also used to treat or prevent goiter (enlarged thyroid gland), which can be caused by hormone imbalances, radiation treatment, surgery, or cancer. Levothyroxine is a replacement for a hormone normally produces by your thyroid gland to regulate the body’s energy and metabolism. This medication is prescribed to patients when their thyroid does not produce enough of this hormone on its own.
The brand Synthroid comes from Canada manufactured by Mylan. It is also known as Thyronorm comes from India manufactured by Abbott Laboratories. This medication is available in the strengths of 25, 50, 75, 88, 100, 112, 125, 137, 150, 175, 200 and 300 mcg tablets.
Serious side effects include:
• Fast or irregular heart rate;
• Fever, hot flashes, sweating;
• Sleep problems (insomnia);
• Vomiting, diarrhea, appetite changes, weight changes.
You should not take Synthroid if you are allergic to Levothyroxine or any of the ingredients in Synthroid. This medication should not be used to treat obesity or weight problems. Synthroid is not expected to harm an unborn baby. Do not stop taking this medication without your doctor’s advice. Low thyroid hormone levels during pregnancy could harm both mother and baby. Synthroid works best if you take it on an empty stomach, within 30 minutes before breakfast.