Presscription pre payment 4 months or 12?

no one having cancer treatment should pay for any prescriptions, ive had this bee in my bonnet for ages now, i was diagnosed may lst year and having cancer aint cheap, even had a reporter from the daily express ring me up he reckons some private thingy is going thru to get it free for cancer sufferers, it so annoys me the amount of money people have to pay out because of cancer, it is so un fair, i will carry on fighting this issue not just for me but for the hundreds of others out there spending loads of money on it, ive heard too many horrr stories of ladies spending nearly 40 quid the week after chemo coz of the side effects, where is the fairness in that