Stge4 lung with mets to skull , neck, collar bone and pelvic

To 12 treatments of carboplatin , and alimta skunk primary, stable on bone mets , got sick ion nov . Too a break dec thru Debussy. Started tarceva in march, now dealing with side affects bad nausea , diahrea, rash getting better, lot of trouble with eating. No appetite.any one have these problems. Not eating and nausea my worst.