Started on meth this week for pain to bones, joints, muscles from radiation therapy, common in those few of us to have survived pancreatic cancer. I have developed increased confusion, double vision, severe headache (where I feel my head is in a giant vice), and insomnia. In past 4 days have only slept about 6 hours total. CT shows no evidence of bleed and pituitary tumor has not grown in size. Today I only took 2.5mg instead of the 5, and the headache only comes and goes, and is not