girls only need help

im 15f in 10th and i have pre-boards from Monday I need to study but I got my period this morning and I feel like shit, the cramps are so bad I cant sit even if I lie down I feel like im gonna throw up sth. i don't feel like having anything I'm overall really uncomfortable today and this is just the first day my stomach is killing me. its so bad today, I have taken medicine to make me feel better and my mom is also not home. can somebody js give me sm tips as I cant even walk its bad.

btw im not sure if its under nsfw but ill mark it as nsfw js to be safe.