I don’t know whether the bruising is related to low lymphocytes, but have your neuro / nursing team not flagged up your low lymphocytes and questioned whether you should stay on the 'Tec?
I had low lymphocytes on Tecfidera and stopped taking it a year ago. However, I’ve always been an easy bruiser so couldn’t tell you if the two things were connected.
How long have your lymphocytes been low? Have you been liaising with the nursing staff about maybe monthly testing your blood with a view to checking your lymphocytes level and stopping the 'Tec if your lymphocytes don’t recover to normal levels, i.e. above 1.0?