Systemic Retinoids and Thyrotoxicosis in Multinodular Goiter: Side Effect or Coincidence?

January 2018 in “ Indian Journal of Dermatology/Indian journal of dermatology ”

Berna Aksoy

systemic retinoids thyrotoxicosis nodular goiter isotretinoin acitretin thyroid dysfunction free T3 free T4 TSH hyperthyroidism iodine uptake thyroid hormones iodine insufficiency Accutane Soriatane

TLDR Retinoids might cause temporary hyperthyroidism in some patients.

The document discussed two cases of patients developing thyrotoxicosis while on systemic retinoid therapy. A 23-year-old female treated with isotretinoin for acne and a 63-year-old female treated with acitretin for psoriasis both experienced thyroid dysfunctions, including elevated free T3 and T4 levels and suppressed TSH. These cases, along with previous reports, suggested that retinoids might cause transient hyperthyroidism by increasing iodine uptake and releasing thyroid hormones in patients with nodular goiter and iodine insufficiency. Further investigation was recommended to confirm this potential side effect.

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