Oral Lichen Planus and Hashimoto’s Thyroiditis

Hashimoto’s thyroiditis is an autoimmune disorder that impacts the thyroid gland and causes an underactive thyroid (hypothyroidism). Common symptoms of Hashimoto’s thyroiditis are weight gain, fatigue, depression, and lack of well-being. If you have Hashimoto’s thyroiditis you become likely to have other diseases such as lupus, vitiligo, rheumatoid arthritis, or pernicious anemia, you can become prone to be affected by oral lichen planus inflammation in the mouth which may lead to lesions. Lichen planus and Hashimoto’s thyroiditis are found more in women than men.


Research published in the Journal of Clinical Oral Investigations indicates that Hashimoto’s thyroiditis may be more common in patients suffering from oral lichen planus than the general population. While the research showed no definitive reason why they coexist, it did indicate that patients often have Hashimoto’s thyroiditis before they start experiencing oral lichen planus. Their research included patients receiving thyroxine treatment as well as patients receiving no treatment and showed that thyroid medication does not reduce the chance of having lichen planus.


Autoimmune thyroid disease can cause skin problems such as vitiligo and lichen planus is another skin condition that Hashimoto’s patients should be aware of.

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