How Can Lip And Fingers Numbness Be Treated?

hi dr . iam 24 years old , and about 2 mount ago i had apo - metformin for hair disorder ovary and after 2 week numb in up lip and 2 fingers in my hand . i went to my dr and he say to me , go to MRI . and my MRI was good .. but , my lumb is continue . i dont have metformin pill. plz tell to me what can i do ?thank you dr.