I' started depo at the end of january like a month later my bf cummed inside me on two consecutive nights now i'm feeling light headness thick brown d?

Not likely depo: I would be worried about possible sexually transmitted disease. Depo is not affected by whether you have semen deposited in you. If you are having a discharge and feeling unwell, I would worry about pelvic inflammatory disease which can cause infertility in women and is usually hard to diagnose. See your GP for vaginal exam and culture and easy treatment URGENTLY. This can be quite serious

Pregnancy test: If you have any doubt, do a home pregnancy test. If the result is negative repeat the test 4-5 days later unless you get a period by then. Use first morning urine and follow the instructions for the test carefully.