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Doctor insights on: Does Taking Levothyroxine Cause Problems With Your Sleep Patterns

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Does taking levothyroxine cause problems with your sleep patterns?

Does taking levothyroxine cause problems with your sleep patterns?

Excess can interfere: Too much levothyroxine (over treatment of hypothyroidism) can lead to many symptoms like rapid heart rate, insomnia, sweating, tremors, restlessness. ...Read more

Dr. Heidi Fowler
5,032 Doctors shared insights

Sleep (Definition)

Sleep is a topic that involves concepts such as how long it takes to fall asleep, how many times one wakes up at night, how many hours one sleeps at night, sleep stages, ...Read more


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Can levothyroxine cause changes in sleep patterns or intensely vivid dreams?

Can levothyroxine cause changes in sleep patterns or intensely vivid dreams?

Possibly: The pill itself shouldn't cause the symptoms above. However, if taking in high amount, hyperthyroidism can cause insomnia and disrupt sleeping patterns. ...Read more

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Has anyone taking levothyroxine experienced changes in sleep patterns or unusually vivid dreams?

Has anyone taking levothyroxine experienced changes in sleep patterns or unusually vivid dreams?

Yes it can happen: Levothyroxine (synthetic thyroid hormone) is used to treat hypothyroidism, or 'low thyroid' when the thyroid gland is not producing enough thyroid hormone. Thyroid hormone has multiple functions in the body including metabolism. Side effects can include agitation, insomnia, vivid dreams, irritability, confusion, appetite changes, and increase in heart rate. See your doctor for help. ...Read more

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My 7mths baby is on levothyroxine & I notice that she has difficulty in sleeping e.g take time to fall asleep and seems uneasy. Are these normal?

My 7mths baby is on levothyroxine & I notice that she has difficulty in sleeping e.g take time to fall asleep and seems uneasy. Are these normal?

Cong. Hypothyroidism: This is why your baby is on levothyroxine
I am sure your physician is monitoring the TSH and FTI levels on the baby
and this restlessness you are describing may be due to some thing else ...Read more

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My head just started itching while I was sleeping, I've rephramed from itching it but it itches I tak levothyroxine. 15 mg?

My head just started itching while I was sleeping, I've rephramed from itching it but it itches I tak levothyroxine. 15 mg?

Forget it: Levothyroxine only helps if you have a deficient thyroid level, and you need to take the proper dose and take it daily. It takes 6 weeks to get into your system, so taking a pill occasionally is like spitting in the ocean. It can't help and may may thing worse, particularly if you don't need it. ...Read more

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Taking Levothyroxine for 3 months for hypothyroidism and goitre. Struggling to sleep due to discomfort and tenderness. Is this normal for time frame?

Taking Levothyroxine for 3 months for hypothyroidism and goitre. Struggling to sleep due to discomfort and tenderness. Is this normal for time frame?

Goiter hypothyroid: Discomfort and tenderness..... of what? The thyroid? Levothyroxine should not cause you discomfort, unless you are taking too much, and it is causing you to be hyperthyroid. Hyperthyroidism can make it hard to sleep, along with palpitations, heat intolerance, tremor, etc. If the thyroid is tender, you may have thyroiditis. Talk to your doctor about these symptoms. ...Read more

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Taking levothyroxine, blood levels are normal. I have hair loss dry skin weight gain low energy n trouble with sleep. Why won't dosage be increased?

Taking levothyroxine, blood levels are normal. I have hair loss dry skin weight gain low energy n trouble with sleep. Why won't dosage be increased?

Hypothyroid tretment: Hypothyroid can be associated with symptoms which may not be caused by the low thyroid levels in that case when hormone levels are corrected and maintained for a while symptoms may persist overtreatment with medicine beyond physiological doses can have bad consequence like heart arrythmia osteoporosis and hence overtreatment is to be avoided. ...Read more

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Day 5 of 10mg Prozac (fluoxetine). Take it in morning after levothyroxine. By 7pm I'm exhausted! But I can't seem to sleep more than 6 hours! Help!

Day 5 of 10mg Prozac (fluoxetine). Take it in morning after levothyroxine. By 7pm I'm exhausted! But I can't seem to sleep more than 6 hours! Help!

6 hours of sleep: May be all that you need although it is generally recommended that one attempt to get 7-8 hours. The effects of Prozac are felt typically after 10 -14 days. Discuss your concerns with your doctor after you give the medicine another 5-9 fays to do its thing. You might consider using a different agent (Paxil (paroxetine) and Prozac tend to be "activating") ...Read more

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44 years, having irregular periods and hot flashes and trembling a bit when sleep. My doctor put me on levothyroxine but now I have insomnia.?

44 years, having irregular periods and hot flashes and trembling a bit when sleep. My doctor put me on levothyroxine but now I have insomnia.?

First, have: Your doctor make sure your thyroid levels are normal and that you're on BRAND NAME replacement for safety and consistency. If that's OK, have your doc check you our for possible early menopausal symptoms or even something else. ...Read more

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Hello, My bloods are TSH 6.130 mIU/ (was 0.01 two months before) Anti-TPO 431? IU/ml Free Thyroxine at 12.4. (Was 20.9) Is thyroid a problem. My hair is also falling out, I'm not sleeping and feel terrible. Thanks.

Hello, My bloods are TSH 6.130 mIU/ (was 0.01 two months before) Anti-TPO 431? IU/ml Free Thyroxine at 12.4. (Was 20.9) Is thyroid a problem. My hair is also falling out, I'm not sleeping and feel terrible. Thanks.

Thyroiditis: You have an inflammation of your thyroid gland. It became swollen and released excess thyroid hormone (thyroxine) into the blood stream which caused the low TSH. Now the thyroid has become unable to use iodine effectively to produce thyroxine and the pituitary is increasing TSH to signal the thyroid to produce more. The TOO indicates this is autoimmune. You need treatment with thyroid hormone. ...Read more

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70yo active male, still working. On levothyroxin/normal thy levels. Unless I am being very active I fall asleep for as much as 2 hours in aft. Causes?

70yo active male, still working. On levothyroxin/normal thy levels. Unless I am being very active I fall asleep for as much as 2 hours in aft. Causes?

Osa: The most causes of excessive daytime sleepiness include obstructive sleep apnea (osa), sleep deprivation and medication side effects. Risk factors for osa include obesity, a short neck, snoring or witnessed apnea episodes during sleep. It is also possible these symptoms are not due to an underlying medical problem. See your doctor for an evaluation. ...Read more

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I have a problem with terrible hot flashes at night. I am not menopausal, according to my obgyn. Could lithium or levothyroxine cause this trouble?

Hot flashes: If your levothyroxine dose is correct, it should not cause hot flashes, but if the dose is excessive, it may. Women may start developing hot flashes up to 8 years before actual menopause, but prior to writing off your symptoms on that, other conditions that can cause hot flashes at night need to be ruled out. ...Read more

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Is it true that hashimotos can cause brain fog memory problems and severe headaches? Treated with levothyroxine but endo suggesting steroids.

Is it true that hashimotos can cause brain fog memory problems and severe headaches? Treated with levothyroxine but endo suggesting steroids.

Yes: Symptoms of hashimoto's thyroiditis include weight gain, depression, mania, sensitivity to heat and cold, paresthesia, chronic fatigue, panic attacks, bradycardia, tachycardia, congestive heart failure, high cholesterol, reactive hypoglycemia, constipation, migraines, muscle weakness, joint stiffness, menorrhagia, myxedematous psychosis, cramps, memory loss, vision problems, infertility and hair loss. ...Read more

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On thyroxine but now have trouble sleeping?

On thyroxine but now have trouble sleeping?

Insomnia: Insomnia can occur with thyroxine. I recommend that you discuss this with your prescribing physician. In the meantime, ensure that you have good sleep hygiene. Retire & rise same time each day. Keep bedroom dark & cool & use only for sex & sleep. Turn off tv. No naps. Exercise regularly but not in late evening. No caffeine for 6 hrs & no alcohol or tobacco w/i 2 hrs of sleep. Keep dinner >. ...Read more

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Interaction between Synthroid (thyroxine) and sleep-eze (diphenhydramine hydrochloride)?

Interaction between Synthroid (thyroxine) and sleep-eze (diphenhydramine hydrochloride)?

No significant: Medication interactions were noted when using a drug interaction checker. But that is never a 100% guarantee. ...Read more

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Trying to conceive taking prenatal vitamins at night and now can't sleep. Have to take at night due to synthroid (thyroxine). Is this normal reaction to prenatals?

Trying to conceive taking prenatal vitamins at night and now can't sleep. Have to take at night due to synthroid (thyroxine). Is this normal reaction to prenatals?

Don't take at night!: This isn't exactly "normal" but not unheard of, as prenatal vits have B complex which can be stimulating & can cause insomnia. Just because you take synthroid (thyroxine) doesn't mean you have to take them at nite. One shouldn't take calcium at the same time but you can take it a few hours later- try the prenatal with lunch. You might need T3 too- see http://tinyurl. Com/n4zmkro
& http://tinyurl. Com/pgvyeb8 ...Read more

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Diagnosed as hypothyroid. Started Synthroid (thyroxine) from Nov 23, 2014. My sleep cycle is off since. Wake up after 4-5 hours sleep and then feel groggy.?

Diagnosed as hypothyroid. Started Synthroid (thyroxine) from Nov 23, 2014. My sleep cycle is off since. Wake up after 4-5 hours sleep and then feel groggy.?

Let your doctor know: That you are only sleeping 4-5 hours and feel groggy when you awaken. This is going to require a face to face assessment and some blood work. May your sleep be sound and restorative. Read about all aspects of good sleep hygiene before you see your doctor. ...Read more

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I have hypothyroidism and take 50 microgram synthroid (thyroxine) every morning before breakfast. Can I take it and then go on sleeping before the breakfast?

I have hypothyroidism and take 50 microgram synthroid (thyroxine) every morning before breakfast. Can I take it and then go on sleeping before the breakfast?

Synthroid (thyroxine) dosing.: Synthetic needs to be taken on an empty stomach, which would sometimes be tough to schedule. That being said, it doesn't have an immediate effect on your body, so you can take it and go back to sleep without worrying about being overly awoken or stimulated. ...Read more

Dr. David Sneid
1,420 Doctors shared insights

Thyroxine (Definition)

Thyroxine is a thyroid agent. ...Read more


Levothyroxine (Definition)

Of the hormone produced by one's own ...Read more