Just told I have graves , been out on methimazole 10 mg 3 X

Just told I have graves , been out on methimazole 10 mg 3 X a day.. I ve lost 4 pounds since I started this Med.. Does anyone know if this is normal at first taking this med.. I can't afford to lose weight .. Help

I could write a whole story about it but that's already been done, so please have a look at WebMD

https://www.webmd.com/women/understanding-graves-disease-symptoms