What causes an enlarged thyroid?

Different things. A very common cause of diffuse goiter in the us is autoimmune, mostly hashimoto's but also grave's disease. Multinodular goiter, congenital goiter- babies born with goiter for different reasons, iodine deficiency.
Goiter. Thyromegaly is also know as goiter and can be due to many causes, such as iodine deficiency, hyperthyroidism/hypothyroidism (autoimmune graves/hashimoto or not), thyroid masses/cysts, or malignancy.

Related Questions

What causes an enlarged thyroid and how is it taken care of?

Multiple causes. Most are benign goiters, but sometimes thyroid enlargement is caused by cancer or hyperthyroidism. Treatment varies related to symptoms and cause. Most goiters do not need any treatment, but you need to see a doc to have it checked. You don't want to miss a curable cancer or suffer unnneccessarily if you have hyperthyroidism. Read more...

What are causes of an enlarged thyroid besides cancer?

Goiter! This is a benign sometimes quite large thyroid enlargement. It used to be mostly due to iodine deficiency which is why we see "iodized" salt adding nai to nacl table salt. Some cases are of unknown cause. These can be cosmetic or functional problems breathing or swallowing calling for removal with thyroid replacement drugs. Read more...

What could be causing my enlarged thyroid if I have no other serious symptoms?

Autoimmunity. Goiters, or enlarged thyroids, may be associated with high, low, or normal thyroid levels. Often, if the thyroid levels are normal, there is no need to do anything but keep an eye on things. Autoimmunity, where the immune system makes antibodies against someone's own proteins, is the cause for most thyroid problems in the US, including goiters and nodules as well as high & low thyroid levels. Read more...
Number of things. U may have a smooth or modular goiter. Need blood tests to see that overall function is normal and ultrasound to see if there are any worrisome nodules. Read more...

What are the causes of an enlarged thyroid and how to avoid it?

Many possibilities. An enlarged thyroid (goiter) has many causes. Are thyroid blood levels (tsh, ft4) normal? If not, then one thinks about hyper/hypothyroidism, graves disease, hashimotos, etc. Is the goiter nodular or smooth? This may require an ultrasound, with biopsy of suspicious nodules. In younger people, hashimotos is very common. Low grade inflammation, eventual hypo. There's no way to avoid this. Read more...