Advice and help please

hi im wondering if anyone can help me please, 10 weeks ago i was put back on sertaline. and for the last 9 weeks ive had hoarsnees in my voice, been on antobatics twice and still no better, i now have to be tested for canacer. ive used it before with no side effects but i wondering if this could be a side effect. has anyone expercined this please. as you can imange this is really effecting my menteal health, due to worry. thank you for any help.