I consider myself lucky as I can wear just about any metal with no problem. HOWEVER, I realize that a lot of my customers simply cannot wear anything other than sterling silver. Some cannot even wear sterling. I have found a temporary solution for you at One Good Thing by Jillee, which is a great blog full of homemade goodness from cooking to cleaning.
Here's the link to a simple remedy to keep your sensitive ears sensitive but still wear those cute earrings you've been eyeing. No you have no excuse - go forth and shop!