Is It Safe To Take Loratadine While Taking Methimazole For Hyperthyroidism?

Is it safe to take 10 mg. of Loratadine while taking 30mg. a day of Methimazole for Hyperthyroidism? I am 38 years old and weigh 140 lbs. Height is 5 7 . I have Grave s disease and Hyperthyroidism. My skin itches profusely and Loratadine usually helps, but I don t know if it s safe to take with 30 mg. a day of Methimazole.