Is it normal for ear gauges to swell and hurt when you first stretch them?

Stretching done correctly using the proper method generally do not swell nor do they hurt when stretched. Using stretching claws will and can done serious damage to the tissue, generally due to the lack of restraint used by the individual who is stretching there piercings. Too far too fast is the number one cause of stretching issues and tissue tearing. If the piercing are swelling and sore you have gone too far too quickly. You should talk to your local professional body piercer who will explain the traditional method used for correct lobe stretching.