By family problems do you mean finances? That is understandable but I believe there are free clinics, and like someone else said you can get OTC stuff at a conience store.
And you dont have to tell your brother, just take your mom, or dad, aside and let them know whats going on.
I DO NOT GO ON HERE ANYMORE. I HAVE LEFT THIS PLACE FOR GOOD AND DON'T INTEND ON COMING BACK. PLEASE DON'T FRIEND REQUEST ME, PRIVATE MESSAGE ME, OR ANYTHING BECAUSE I WILL NEVER SEE IT AND YOU'LL NEVER GET A RESPONSE. THANK YOU.