I've Started Experimenting With Chrystalmeth And I've Been Using Excessivley

I've started experimenting with chrystalmeth and I've been using excessivley ..I used to attend lectures and put in days of hard study, but now I study over 1 night and my marks just sky rocketed .but I've been experiencing lower back pain .. And the waist bones are extremley painful .. Which is very discomforting.. What's wrong ? .. How do I make the pain go away ?y?