Ouch! Those look very sore. No I really didn't have any pain, my fingernails were fine - a very light brown staining, nicotine like (and no I don't smoke!) but you would have had to look close to notice it. My toenails were something else! Two remained untouched. The rest went chalk white, grey, brown and black, several thickened and one split width-wise (like veneered wood left out in the rain). Two lifted a bit but nothing came off and remarkably, no pain. It took a long time for some of them to recover, but they have. I know some people do lose their nails - ice water is sometimes suggested but I would get some advice. I found oncology nurses very useful about these sorts of side effects. Good luck!