what causes nodules in your thyroid?

I use to work for an endocrinologist and our PA at the time did an ultrasound on the entire staff. He ended up finding nodules on my thyroid. I believe it was my left gland… If that makes a difference. He said to not worry about it but I did some research on it and it’s starting to scare me. The only thing I haven’t figured out is what causes them? and could this be a reason for mood swings and why my weight fluctuates so much. I’m active. I hardly eat! It’s NOT intentional. I just don’t have an appetite. If I do eat, it’s nothing but berries and sometimes I’ll pick at whatever I make for dinner. I drink lots of water. I NEVER drink soda or anything artificial. I’ve seen a dietitian and she wanted me to have blood work but unfortunately, like the majority the world, my husband and I are laid off. So we have no insurance and I’ll be damned if I pay ,000 for blood work 🙂 Help please??


  • norton g

    Sophia, There are many causes of thyroid nodules, the great majority of which are benign. Several conditions can cause one or more nodules to develop in your thyroid gland: Here are some:
    Iodine deficiency. Lack of iodine in your diet can sometimes cause your thyroid gland to produce thyroid nodules but is uncommon in the US where iodine is routinely added to table salt & other foods.
    Overgrowth of normal thyroid tissue. Why this occurs isn’t clear but such growth — which is sometimes referred to as a thyroid adenoma — is generally noncancerous (benign) and isn’t considered serious unless it’s bothersome or causes complications. Some thyroid adenomas produce thyroid hormones leading to overproduction of thyroid hormones (hyperthyroidism).
    Thyroid cyst is a fluid-filled cavity in the thyroid most commonly from degenerating thyroid adenomas. Often, solid components are mixed with fluid in thyroid cysts. Cysts are usually benign.
    Chronic inflammation of the thyroid (thyroiditis). Hashimoto’s disease, a thyroid disorder, can cause enlargement, and reduce thyroid gland activity (hypothyroidism).
    Multinodular goiter. "Goiter" is a term used to describe any enlargement of the gland, which can be caused by iodine deficiency or a thyroid disorder. A multinodular goiter contains multiple distinct nodules within the goiter but its cause is less clear. Thyroid cancer. Although the chances that a nodule is malignant are small, you’re at higher risk if you have a family history of thyroid or other endocrine cancers, are younger than 30 or older than 60, are a man, or have a history of radiation exposure, particularly to the head and neck.
    A nodule that is large and hard or causes pain or discomfort is more worrisome in terms of malignancy.
    SOPHIA, Contact your county health department or local hospital or medical society, explain your current inability to pay for medical care and request a referral. Care will be provided even if you cannot pay some or all at this time. Otherwise you will continue to worry even though the chances are excellent your nodule is benign. Good luck. Now, GO and take care of yourself.

  • jackie m

    Few years ago I had a lump on my neck and the hospital done various checks to check for cancer in the upper body, they came back negative and after a deeper scan was done it showed I had nodules on the thyroid and doctor says it was because of an under active thyroid and now take medication and it balanced out the hormones and stopped the weight fluctuation. I was also diagnosed as type 2 diabetes. I am in UK so I do not pay for medical treatment and I understand you have to pay but it should be something you should consider getting done, it is not life threatening but will sort out your problems. Good Luck

  • Summer

    I know that my cancer was caused most likely by the environment. I know nodules can also be formed by an over/under active thyroid.

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