Hi suenev.
I was on Myeloma X1 trial and was randomized to the same as you. I too had side effects, tho no rashes. I had the severe diarrhoea, visual problems, leg muscle cramps, breathlessness, and some others too. All I can say as the cycles went on I became more able to cope with these problems. They had to stop the cyclophosphamide in the end as it seemed to make me faint, and in the early cycles the drugs made me feel very ill.
It all was worth it though as it brought my PP’s down from 63 to undetectable. So stick at it. Revlamid is a brilliant drug for MM. It will all be worth it in the end.
Good luck to you
Best wishes
susie