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Doctor insights on: Prolactin Causing Elevated Affecting Thyroid

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Dr. Samuel Freedman
747 doctors shared insights

Prolactin (Definition)

The pituitary gland makes many hormones. After delivery of a baby, the pituitary gland pours out prolactin which causes the breasts to produce milk. It may be abnormally produced and cause enlarged ...Read more


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Is it dangerous or cause high prolactin level if a person take thyronorm 50mg with normal thyroid levels?

Is it dangerous or cause high prolactin level if a person take thyronorm 50mg with normal thyroid levels?

Dangerous : If ur thyroid hormone level is normal & u take exogenous (extra) thyroid hormone, then u are putting yourself in danger. You can cause thyrotoxicosis or deleterious effects on your body (heart, hair/skin/nails, pituitary, & other glands) from excessive thyroid hormone. You have to check your hormone levels, including prolactin, regularly when taking thyroid hormone. Do it under doctor supervision ...Read more

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Prolactin is 3000 and endo won't give a MRI cause i still get period. Can i ask him i want one for piece of mind also thyroid has swung hypo to hyper.

Prolactin is 3000 and endo won't give a MRI cause i still get period. Can i ask him i want one for piece of mind also thyroid has swung hypo to hyper.

Yes: Yes, if prolactin is 3000 and you are now hyperthyroid (low tsh), that is not a good sign. I would request a MRI from your endocrinologist. There might be a reason why he/she is not ordering it (need more info here) but for "peace of mind", i don't think it's unreasonable to request this from your endo. If you are still concern, you can also seek a second opinion. Good luck. ...Read more

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What is the corilation between the function of the thyroid and prolactin? If your prolactin is elevated does your thyroid not function fully?

What is the corilation between the function of the thyroid
and prolactin? If your prolactin is elevated does your thyroid
not function fully?

Hypothyroidism->PRL: Primary hypothyroidism (a deficiency of the thyroid itself) leads to the hypothalamus producing trh (thyroid releasing hormone) to stimulate the pituitary to stimulate the thyroid to produce more hormone. Trh also leads to the production of prolactin, and can elevate prolactin levels slightly. ...Read more

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I have elevated prolactin (57) if i start medication for it will my thyroid function more fully? I believe my thyroid is weak, dr says "in range".

I have elevated prolactin (57) if i start medication for it will my
thyroid function more fully? I believe my thyroid is weak, dr
says "in range".

Perhaps: Prolactin can have a disruptive effect on the hormones of the anterior pituitary (lh, fsh, gh, tsh). This can cause irregular periods. Although certainly not the most prominent effect of elevated prolactin, it could conveably make labs appear "in range" when they are not truly optimal. ...Read more

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How does an elevated prolactin level effect your thyroid production? Dr says my thyroid is in range. My prolactin is 47-57. I just started cabergoline

It doesn't: A high prolactin (prl) does not affect the thyroid but a high TSH or thyroid level can be a cause of high prl. If thyroid was in range then there is some other cause of high prl. ...Read more

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Im taking cabergoline for elevated prolactin not due to a tumor, how will cabergoline affect my thyroid production? I believe thyroid is lacking.

Im taking cabergoline for elevated prolactin not due to a 
tumor, how will cabergoline affect my thyroid production?
I believe thyroid is lacking.

Most often due to rx: The most frequent cause of elevated prolactin not due to a pituitary problem is ingestion of medication -- most commonly medication given for depression, anxiety, psychiatric illness, etc. Check with your prescribing physician. High prolactin can be seen in people with low thyroid function with high trh secretion, although it is more common with damage due to a tumor. ...Read more

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I have elevated prolactin, not due to pituitary tumor, will cabergoline enable thyroid and estrogen/progesterone ratio to all become balanced?

I have elevated prolactin, not due to pituitary tumor, will
cabergoline enable thyroid and estrogen/progesterone ratio
to all become balanced?

Probably: High prolactin can result from certain medications, narcotics, stress, as well as from pituitary tumors that are too small to see on imaging studies. High prolactin will cause female pituitary hormone levels to become abnormal, resulting in irregular periods or loss of periods. Cabergoline will lower prolactin and improve this imbalance. High prolactin does not typically cause abnormal thyroid. ...Read more

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I am a 23 year old female. I was told all of my hormones and thyroid levels are "within range" but I'm experiencing chronic tiredness, fibroids, sexual dis-function, no libido, and hair loss. My prolactin was elevated at 31.2.

I am a 23 year old female. I was told all of my hormones and thyroid levels are "within range" but I'm experiencing chronic tiredness, fibroids, sexual dis-function, no libido, and hair loss. My prolactin was elevated at 31.2.

Need thorough checkp: Fibroids may imply heavy bleeding, and anemia, fatigue, tiredness..Im not a Gyn , you need one. Why is prolactine high? Any meds? I would be concerned and agsin, best is to obtain a thorough gyn evaluation for correct diagnosis. And start treatment. ...Read more

Dr. Thomas Inwood
13 doctors shared insights

Thyroid (Definition)

The thyroid is an endocrine gland that sits in the lower part of the neck. It produces thyroid hormone - which ...Read more