Allergic to Xeloda

Hi to all- My doctor took me off of xeloda after just one and a half cycles because my hands and arms have red blotches. He said to take benadryl for a week and he will check me next week.I asked if he thought the dosage was too high. I took 4000 mgs daily- two weeks on, one off. He said , "No, I give the least amount." He said he may give me another drug. Do you know if there is anything close to xeloda that I could take? What do you think he will give me?" God Bless- Cathy