My Doctor Prescribed Chlorthalidone 2 Weeks Ago And I Had

my doctor prescribed chlorthalidone 2 weeks ago and I had a very bad reaction to it after taking my second pill. My feet and hands swelled and I felt like i was walking on gravel barefoot. I broke out with red spots all over my body. I am just getting over this. The skin on my hands are pealing. I was just trying to find out what I could be aleargic to from this med.