| Synthroid, a synthetic thyroid hormone may be given in any of the following cases:
If your own thyroid gland is not making enough hormone If you have an enlarged thyroid (a goiter) or are at risk for developing a goiter If you have certain cancers of the thyroid If your thyroid production is low due to surgery, radiation, certain drugs, or disease of the pituitary gland or hypothalamus in the brain.
Synthroid helps to reduce the symptoms of low thyroid hormone such as weight gain, sensitivity to cold, lack of energy, and dry skin. It may take several weeks for Synthroid to have a noticeable effect on your condition.
People who are treated with Synthroid may initially lose some hair, but this effect is usually temporary. You may have an allergic reaction such as a rash. Children may have an increase in pressure within the skull. Excessive dosage or a too rapid increase in dosage of Synthroid can lead to over stimulation of the thyroid gland.
Symptoms of over stimulation:
Abdominal cramps, anxiety, changes in appetite, change in menstrual periods, chest pain, diarrhea, emotional instability, fatigue, fever, flushing, hair loss, headache, heart attack or failure, heat intolerance, hyperactivity, increased heart rate, irregular heartbeat, irritability, muscle weakness, nausea, nervousness, palpitations, shortness of breath, sleeplessness, sweating, tremors, vomiting, weight loss.
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