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Levothroid

Brand Names

; Levotabs® Levo-T™ ; Levothroid® ; Levoxyl® ; Synthroid® ; Thyrox® ; Unithroid™

; Eltroxin® (Canada) ; Eutirox (Mexico) ; PMS-Levothyroxine Sodium (Canada) ; Tiroidine (Mexico)

Thyroid Product

If you have an allergy to levothyroxine or any other part of the medicine.
If you have any of the following conditions: Recent heart attack, over-active thyroid gland, weak adrenal gland that is not being treated.

This medicine is used as a replacement or supplement for people whose thyroid gland does not work well.

Levothyroxine works to fuel some metabolic processes. This includes growth and development, and glucose, protein, and fat production in the body.

Take on an empty stomach before breakfast.
Do not take iron products, aluminum- and magnesium-containing antacids, calcium carbonate, simethicone, sucralfate, Kayexalate®, colestipol, or cholestyramine within 4 hours of this medicine.

Take a missed dose as soon as possible.
If it is almost time for the next dose, skip the missed one. Return to your regular schedule.
Do not take a double dose or extra doses.
Do not change brand, dose, or stop taking medicine without talking with healthcare provider.

Use caution if you have heart disease. Talk with healthcare provider.
If you are 65 or older, you may have more side effects.
Do not use this medicine for weight loss. It is dangerous.
Check medicines with healthcare provider. Some medicines may need extra checking.
Be cautious if you are allergic to tartrazine dye (some tablets contain). Talk to your pharmacist.
Tell healthcare provider if you are allergic to any medicine. Make sure to tell about the allergy and how it affected you. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, throat; or any other symptoms involved.

Chest pain, rapid heartbeat, racing heart, shortness of breath, decreased ability to exercise, increased nervousness or agitation.

Check blood tests for thyroid activity. Talk with healthcare provider.
If you are a diabetic check blood sugar regularly. You may see an increase in blood sugar levels.

Signs of a life-threatening reaction. These include wheezing; tightness in the chest; fever; itching; bad cough; blue skin color; fits; swelling of face, lips, tongue, or throat.
Chest pains, fast heartbeats, shortness of breath, or decreased ability to walk.
No improvement in condition or feeling worse. It may take 1-2 months to feel better.

Store in a tight, light-resistant container at room temperature. Protect from moisture.

Do not share your medicine with others and do not take anyone else's medicine.
Keep all medicine out of the reach of children and pets.
Keep a list of all your medicines (prescription, herbal/supplements, vitamins, over-the-counter) with you. Give this list to healthcare provider (doctor, nurse, pharmacist, physician assistant).
Talk with healthcare provider before starting any new medicine, including over-the-counter or natural products (herbs, vitamins).