I have been on Amiodarone for about six months now and the side effects I have had are an alteration to my sleep pattern and getting very hot indeed after any physical activity. I am a self-tester for Warfarin and have recently found it extremely difficult to get blood out of any finger despite all the tricks to stimulate blood flow. Do you think this problem is an Amiodarone effect or something else? I am surprised by the phenomenon as the weather has been so warm and when I do hit lucky and locate some blood my INR is 3.5 which is my target. Does anyone have any ideas about my "problem"?!