I am having a very hard time controlling my chronic hives. I'm taking Claritin and 300mg Zantac in the morning and Zyrtec and 300mg Zantac in the evening. Not helping much. Sometimes I take Benedryl as well. No effect. Someone told me to add Atarax (hydroxyzine) in the evening. As I find more answers here then from my doctor - any thoughts or suggestions?