Ive just started kemo for stage 4 lung and neck cancer ! After my first bone maro shot i was crippled couldnt walk the joint pain was so bad ! Its been 7 days now and pain is down to a 6 ! Want to know how many norco i can take in 24hr period over the next year without damaging my liver ! I cant take this joint pain for another year ! Can anyone tell me what to do