Hi there. Has anyone with ET else experienced these whilst on inteferon? When my dosage increased to 135mcg a week and then 180mcg I started getting this at night and now all day too. The numb sensation in hands and right foot have been waking me at night. I also started a small dose of levothyroxine at a similar time and am not sure whether I should be concerned or not. Has anyone encountered this and what worked for you to reduce them?