<s>[INST] Hi..I have been on very high oxycontin dose...ie 5-6 80 mg per day..for whiplash and other injury pain.ie the script for 3 weeks only is 112 oxy tabs...I have just asked to be put on Lyrica...the effects of 75mg 2 x per day were ok to deal with but being put on 150 mg 2xper day I have been in real trouble, which is improving slowly...effects are falling asleep anywhere, and dizziness...there are a little better each day...i have reduced the oxy to 2-3 per day max...the pain has not changed much...I was on 75mg two times per day for one week, and have been on 150mg 2 times per day for 3 days...how long would I expect before the pain relief to start to be effective with a dose rate of 75mg 2 times per dayPlease advise thanks Kevin [/INST] Thanks for writing to us. Definitely, you are on high dose Oxycontin and lyrics. I always start Oxycontin with lower dosage such as 10 mg 3-4 times and lyrics 75 mg one or two tabs a day. The dizziness and falling asleep is due to side effects. I would suggest reducing the dose gradually and if there is breakthrough pain then consider one tab stat. 80 mg is the max limit for Oxycontin and don't exceed above that. In coming days, pain will reduce and continue complete rest for 1-2 weeks. Thanks. </s>