
What does Levothroid do?
Levothroid – a replacement for thyroid hormone, regulates body energy and metabolism.
Drug use, when the thyroid gland produces little hormones.
Levothyroxine treats hypothyroidism (low thyroid hormone).
The drug is also used for the prevention and treatment of goiter (an increase of thyroid gland), which occurs because of a malfunction of hormonal, radiation, cancer.
Levothyroxine can not be used as a tool for weight loss.
The same medicine can be used for other medical purposes.
Important information about the drug Levothroid.
Since the thyroid gland produces a natural hormone, levothyroxine can be used by anyone.
You should not use this medicine if you have a heart attack or have problems with the adrenal glands.
Before using, consult with your doctor, especially if you have heart disease, coronary artery disease, anemia, diabetes, problems with the pituitary or adrenal glands.
If you take insulin or medicine to treat diabetes, your doctor should review the dose for you.
If you doubt that you sell levothyroxine, specify a pharmacist. Different names for different drugs affect the body.
It may take several weeks to the time when you feel progress in treatment.
Even if you feel good, you should take levothyroxine.
Many drugs can interact with levothyroxine.
Consult with your doctor.
What should I discuss with my healthcare provider before taking Levothroid (levothyroxine)?
Since thyroid hormone occurs naturally in the body, almost anyone can take levothyroxine. You should not use this medication if you have had a heart attack, a thyroid disorder called thyrotoxicosis, or an adrenal gland problem that is not controlled by treatment.
Before taking this medication, tell your doctor if you have heart disease, coronary artery disease, anemia (lack of red blood cells), diabetes, problems with your pituitary or adrenal glands, or a history of blood clots.
If you use insulin or take diabetes medicine by mouth, ask your doctor if your dose needs to be changed when you start using levothyroxine.
Levothyroxine is in the FDA pregnancy category A. This means that it is safe to use while you are pregnant. It is also safe to use while you are breast-feeding a baby. This drug does pass into breast milk, but it is not expected to be harmful to a nursing infant.
Tell your doctor if you become pregnant during treatment. You may need to increase your dose during pregnancy or if you plan to breast-feed.
In most cases, you will need to take levothyroxine for the rest of your life. Taking levothyroxine over long periods of time may cause bone loss, which can lead to osteoporosis. Talk with your doctor about how this could affect you.
How should I take Levothroid (levothyroxine)?
Take levothyroxine exactly as your doctor has prescribed it for you. Do not use more of the medication than recommended. Do not take levothyroxine for longer than your doctor has prescribed.
Your doctor may occasionally change your dose to make sure you get the best results from this medication.
It is very important to take levothyroxine with a full glass (8 ounces) of water. The levothyroxine tablet can dissolve very quickly and swell in the throat, possibly causing choking or gagging. Take this medicine on an empty stomach, 30 minutes before eating. Levothyroxine is usually taken in the morning. Follow your doctor’s dosing instructions and try to take this medication at the same time each day.
It may take several weeks before your body starts to respond to this medication. Do not stop taking this medication suddenly. Even if you feel well, you may still need to take this medicine every day for the rest of your life to replace the thyroid hormone your body cannot produce.
To be sure this medication is helping your condition, your blood will need to be tested on a regular basis. Your kidney or liver function may also need to be tested. It is important that you not miss any scheduled visits to your doctor.
Tell any doctor or dentist who treats you that you are using levothyroxine.
Store levothyroxine at room temperature away from moisture and heat.
What happens if I miss a dose?
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at the next regularly scheduled time. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention if you think you have used too much of this medicine.
Overdose symptoms may include chest pain, pounding heartbeat, shortness of breath, tremor, shortness of breath, leg cramps, confusion, vomiting, diarrhea, or seizures.
Levothroid (levothyroxine) side effects
Stop using levothyroxine and get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Call your doctor at once if you have any of these serious side effects:
- headache;
- sleep problems (insomnia);
- nervous or irritable feeling;
- fever, hot flashes, sweating;
- changes in your menstrual periods;
- appetite changes, weight changes;
Less serious side effects may include mild hair loss.
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.
What other drugs will affect Levothroid (levothyroxine)?
The following drugs may cause medical problems if you use them with levothyroxine: lithium, amiodarone, or antidepressants. Tell your doctor if you have recently received radiation therapy with iodine (such as I-131).
This list is not complete and there are many other drugs that can interact with levothyroxine. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.
Certain medicines can be continued, but they may make levothyroxine less effective if taken at the same time. If you use any of the following drugs, use them at least 4 hours before or 4 hours after you take levothyroxine:
- calcium carbonate (Caltrate, Citracal, Oystercal, and others);
- ferrous sulfate iron supplement;
- sucralfate (Carafate);
- sodium polystyrene sulfonate (Kayexalate, Kionex, and others);
- antacids that contain aluminum (Amphojel, Gaviscon, Maalox, Mylanta, Riopan, Rulox, Tums, and others); and
- cholesterol-lowering drugs cholestyramine (Questran) and colestipol (Colestid).
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