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Doctor insights on: Thyroxine Overdose In Children

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Thyroxine Overdose (Definition)

The definition of a drug overdose (legal or illegal) of any kind is simply taking too much of a substance than is recommended. Technically the FDA adds the most important part: at amounts sufficient to possibly cause or that causes an adverse event or side effect. You can overdose on an accepted amount if it right too much for you, someone on 25 mcg thyroxine who ...Read more


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What are the tests for Synthroid (thyroxine) overdose?

What are the tests for Synthroid (thyroxine) overdose?

Tsh, T3, T4, symptoms: Blood tests can determine overdose. Symptoms of excessive thyroid intake include anxiety, heart racing, headaches, hair shedding, shortness of breath, muscle weakness, overactive bowel function (i.e. Frequent bms, loos stools), possibly elevated temperature, weight loss, high blood pressure. Over long period of time, eyes will start to protrude. ...Read more

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What is the definition or description of: Thyroxine overdose?

What is the definition or description of: Thyroxine overdose?

Taking too much: The definition of a drug overdose (legal or illegal) of any kind is simply taking too much of a substance than is recommended. Technically the FDA adds the most important part: at amounts sufficient to possibly cause or that causes an adverse event or side effect. You can overdose on an accepted amount if it right too much for you, someone on 25 mcg thyroxine who takes 2 technically overdosed. ...Read more

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What is the definition or description of: Synthroid (thyroxine) overdose?

What is the definition or description of: Synthroid (thyroxine) overdose?

Synthroid: Synthroid (levothyroxine) overreplacement causes subclinical hyperthyroidism (normal serum T4 and T3 and low serum TSH concentrations) or even overt hyperthyroidism. The main risks are arrhythmia and accelerated bone loss/fractures, especially in older patients. Maintenance dose should be adjusted appropriately by a physician. ...Read more

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What is the treatment for thyroxine overdose?

What is the treatment for thyroxine overdose?

It depends: If severe, too much thyroid hormone in the blood can cause organs to stop working properly, a condition known as thyroid storm, and treatment in a hospital ICU may be needed. For less severe cases, treatment with beta-blockers (bp meds) may lessen symptoms of palpitations, shakiness, and jitters. For mild cases, no treatment may be needed at all. ...Read more

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What is the treatment for Synthroid (thyroxine) overdose?

What is the treatment for Synthroid (thyroxine) overdose?

Supportive: Usually overdose does not cause problems. In a massive overdose, an epinephrine-blocker such as Propranolol may be lifesaving, and monitoring and managing the heart rhythm disturbances that may occur is critical. ...Read more

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Is it normal to be in a coma have a heart attack caused by thyroxine overdose?

Is it normal to be in a coma have a heart attack caused by thyroxine overdose?

No: None of the items, coma, heart attack or thyroxine overdose are normal. Thyroxine overdose may cause the other two. ...Read more

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What exactly is an overdose of thyroxine for a hypothyroidism patient?

What exactly is an overdose of thyroxine for a hypothyroidism patient?

Symptomatic: Many times will treat based on symptoms once dz is confirmed (within a certain range of normal). If symptoms of hyperthyroid would cut down dose, ie anxiety, agitation, tremor, exophthalmos, palpitations, diarrhea, jittery, racing heart, overheating, significant wt loss, insatiable appetite etc.... ...Read more

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What are the symptoms of overdose of thyroxine?

What are the symptoms of overdose of thyroxine?

See below.: Thyroxine overdose can cause tremors, anxiety, increased heart rate, increased body temperature, agitation, confusion, diarrhea, and seizures. If you are ever worried that an overdose has occurred, call 911. If you’re less certain and feel the situation is less of an emergency, call 800.222.1222 for guidance. ...Read more

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What happens if you overdose on synthroid (thyroxine)?

Heart problems: Synthoid is a synthetic thyroid hormone. Thyroid increases your metabolism and too much will cause you to get febrile, jittery, tachycardic and hypertensive.
Serious problems with thryoid overdose are usually cardiac are related to arrythmias or heart attacks. For example frontline treatment for thyroid excess is giving a beta blocker that blocks the cardiac effects. ...Read more

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What are the symptoms of overdosing synthroid (thyroxine)?

What are the symptoms of overdosing synthroid (thyroxine)?

Hyperthyroidism: Overdosing on synthroid (thyroxine) will cause hyperthyroidism. Some symptoms of hyperthyroidism are: feeling nervous, fast heartbeat, weight loss, feeling hot, trouble sleeping, feeling anxious, sweating heavily, muscle weakness, increased appetite, frequent bowel movement...Some hyperthyroid patients will have 1-2 symptoms, some have all of them and some have none of them at all. ...Read more

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How much weight can you loose overdosing on synthroid (thyroxine)?

How much weight can you loose overdosing on synthroid (thyroxine)?

Don't do it: People who try this feel terrible and gain the weight right back. There is some risk of putting your heart into a rhythm disturbance. The most successful weight-loss happens when a person finds an aerobic sports activity that they actually enjoy, and can share with a partner / friend. ...Read more

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Can an overdose of thyroxine be detected weeks later by a blood test?

About 1-2 weeks.: The effects of overdosing appear 6 hours to 11 days after ingestion. ...Read more

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Sir, my wife 36/ 5.4 inches / obese 88 kgs, housewife, 2 childern. On thyroxine 75 mg. Mainly lagre bally. Pls advice for best treatment?

Sir, my wife 36/ 5.4 inches / obese 88 kgs, housewife, 2 childern. On thyroxine 75 mg. Mainly lagre bally. Pls advice for best treatment?

Weight loss: Make sure she is on brand name T4 replacement at the correct level. Begin education, diet, exercise and weight loss to lower Insulin resistance. Talk w/your doctor to see if she needs medication to lower glucose. ...Read more

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Following biopsy surgery I have been woozy. 2. 5 weeks later still woozy. Have tried anti nausia, stopping thyroxine for 4 days as suspected overdosed pre surgery.

Following biopsy surgery I have been woozy. 2. 5 weeks later still woozy. Have tried anti nausia, stopping thyroxine for 4 days as suspected overdosed pre surgery.

Biopsy: Where was the biopsy? If there is no signs of continuous bleeding from the site of biopsy, the procedure of may not be the reason for the woozy feeling. ...Read more

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My TSH is normal after taking thyroxine 100mcg for 1 month. Can we plan for children now? Doctor told to continue same medicine for next 3 months again.

My TSH is normal after taking thyroxine 100mcg for 1 month. Can we plan for children now? Doctor told to continue same medicine for next 3 months again.

Pregnancy ok: Once your TSH level is normal, you should be able to proceed with having children. You want to have your thyroid level checked as soon as you know that you are pregnant, as the dose of thyroid hormone is likely to change. ...Read more

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What happens if you are taken to the ER with synthroid/levothyroxin overdose, how will the staff know that is the problem?

Overdose: To some extent it depends when you took the medicine and how often you took an overdose.

If you did that just once you are unlikely to have problems.
If you overdosed too often the best advice is to go to the Emergency Room. They will examine you and order labs. ...Read more

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What can too much thyroxine do to the body?

What can too much thyroxine do to the body?

Problems: Like anything else, too much of a good thing is also no good. Too much thyroxine causes hyperthyroidism. This can cause palpitations, irregular heart rhythms, bone loss, muscle weakness, trouble sleeping, anxiety. In essence, thyroid hormone affects every part of your body. ...Read more

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Can I cut my Synthroid (thyroxine) in half?

Can I cut my Synthroid (thyroxine) in half?

Ask your treating Dr: Only your treating dr. Can answer that question after doing appropriate lab work for your thyroid, good luck. ...Read more

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Is generic Synthroid (thyroxine) okay to take?

Is generic Synthroid (thyroxine) okay to take?

Yes: Generic synthroid is called levothyroxine. Taking generic version is reasonable and will likely achivevsimilar results, however I would recommend that you inform your endocrinologist about such switch as you may need to have your thyroid levels checked soon (a few weeks) after making the switch to ensure your dosing is appropriate. I would also recommend that you adhere to one kind of preparation. ...Read more

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Is 250 mcg of synthroid, (thyroxine) excessive?

Is 250 mcg of synthroid, (thyroxine) excessive?

Probably.: That is 2 1/2 times the average amount needed to treat someone with no thyroid gland. Hyperthyroidism would be a consequence ot taking a high dose. ...Read more

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Syntroys or levoxyl (thyroxine) which one is better?

Syntroys or levoxyl (thyroxine) which one is better?

Both work: They are both used for thyroid deficiency. Sunthroid is brand name medicine and Levoxyl (thyroxine) is a different brand name. The both do the same thing ie correct thyroid deficiency. Both work. ...Read more

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Can there be no trace of thyroxine in someone's body?

Can there be no trace of thyroxine in someone's body?

Thyroxine: Strange question.
You cannot function without thyroid hormones.
They will have to given to you by pills if you don't make enough thyroid hormones yourself. ...Read more

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What will happen if I don't take my thyroxine medication?

What will happen if I don't take my thyroxine medication?

Hypothyroid: Hi. If you're hypothyroid and don't take your l-thyroxine, you'll be untreated hypothyroid...but somehow, I betcha knew that! ...Read more

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What happens if a child takes Synthroid (thyroxine) pills?

Can overdose: If the synthroid (thyroxine) is not prescribed for the child, the child can have an overdose which can be dangerous. Synthroid (thyroxine) (thyroid medication) can increase the thyroid levels. Good thing if your level is low; bad thing if your child's level is normal and she takes an adult dose. Keep all meds out of reach of children! ...Read more

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Is it ok to take diphenhydromine with synthroid (thyroxine)?

Is it ok to take diphenhydromine with synthroid (thyroxine)?

Yes: It's ok to take any medication while on synthroid (thyroxine) as long as you at a different time. Synthroid (thyroxine) should always be taken on an empty stomach at least thirty minutes before food or medication intake. ...Read more

Overdose (Definition)

When the maximum dose of medication ...Read more


Dr. David Sneid
1,422 Doctors shared insights

Thyroxine (Definition)

Thyroxine is a thyroid agent. ...Read more