I Am Shazia From Pakistan I M 25 Yers Old

I am shazia from Pakistan I m 25 yers old and unmarried I m suffering from pcos from last one year from aug 2017 to jan 2018 I was homeopathic medicine after that I used aelopathic medine my doctor gave me birth control pills
from which I have some side effects now I have red circle on different parts of body , skin scratches ,swelling under arm and I just feel one breast loner then other
is this due to using to birth control pills or is it a brest cancer