Suggest Alternative Medicine For Neomercazole

Q, i am thyrotixicosis patient of last one year i use neo-mercazole last one year i take two tablets in morning and two in evening each a day my t3 test report is 1.7. last year when this problem whas started my t3 report whas 6.7. i am in pakistan.local neo-mercazole not available.how can i get the imported this mediciens