Itchy skin after taking methimazole may be due to the side effects of the drug, or non-drug-induced skin problems, it is recommended to seek medical attention in a timely manner, under the guidance of a doctor to clarify the cause of the disease, and then for the cause of the treatment. If the side effects of methimazole are caused by the medication, you can follow the doctor’s instructions to adjust the treatment program. 1. Methimazole tablets may have skin itching, rash and other side effects, if mild itching, you can first rest and observe, or give medication such as glycerite symptomatic treatment. If itching symptoms are obvious, stop using methimazole tablets immediately, and give anti-allergic drugs such as loratadine. Adjust the anti-hyperthyroidism treatment under the guidance of endocrinologists, change other anti-hyperthyroidism drugs, such as propylthiouracil or radioactive iodine treatment, surgical treatment. 2. If it is non-drug-induced itchy skin, it is recommended that the patient go to the dermatology department in time to get a clear diagnosis, and if it is a fungal infection caused by dermatophytosis, antifungal drugs should be given to treat it. In conclusion, if itchy skin occurs after taking methimazole for 1 month, it is recommended to consult a doctor in time for treatment under the guidance of a doctor.