Synthroid

Pronounced: SIN-throid
Generic name: Levothyroxine
Other brand names: Levothroid, Levoxyl, Unithroid

Why is Synthroid prescribed?

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.

Most important fact about Synthroid

If you are taking Synthroid to make up for a lack of natural hormone, it is important to take it regularly at the same time every day. You will probably need to take it for the rest of your life.

How should you take Synthroid?

Take Synthroid as a single dose, preferably on an empty stomach, one-half to one hour before breakfast. The drug is absorbed better on an empty stomach.

If an infant or child cannot swallow whole tablets, you may crush a Synthroid tablet and mix it into 1 or 2 teaspoonfuls of water.

While taking Synthroid, your doctor will perform periodic blood tests to determine whether you are getting the right amount.

--If you miss a dose...

Take it as soon as you remember. If it is almost time for your next dose, skip the one you missed and go back to your regular schedule. Never take 2 doses at the same time. If you miss 2 or more doses in a row, consult your doctor.

--Storage instructions...

Keep this medication in a tightly closed container. Store it at room temperature, away from light and moisture.

What side effects may occur?

Side effects from Synthroid, other than overdose symptoms, are rare. 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 or hives. Children may have an increase in pressure within the skull. Excessive dosage or a too rapid increase in dosage may lead to overstimulation of the thyroid gland. Notify your doctor immediately if you develop any if the following symptoms.

• Symptoms of overstimulation:
  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