Itchy skin directly caused by hyperthyroidism is very rare in the clinic, most of the cases are hyperthyroidism oral antithyroid drugs after the skin itching, most patients take methimazole or propylthiouracil after the skin itching. It is usually recommended to stop or change to another anti-thyroid medication, and to take oral anti-allergy medications, such as levocetirizine, loratadine and other anti-allergy medications. If the itching is really bad, you can also use topical anti-itching medication such as glycerite lotion. Anyway, during the treatment, you should always observe your body’s reaction to the medication, and if you can’t tolerate it, it is recommended to go to the hospital in time. If using the above methods still can not relieve the itching and rash feeling, it is recommended to stop the drug treatment, you can switch to isotope therapy or surgical treatment. If the symptoms are more serious, it is recommended to consult a doctor in time and follow the doctor’s requirements.