Common Allergic Reactions to Jewellery
If your ears swell, itch, or develop a rash after wearing earrings, you may have a nickel allergy. This is especially common in people who wear earrings frequently or have newly pierced ears. The reaction can happen immediately or develop over time, which is why it's important to choose your jewellery carefully.
https://leajewels.co.uk/blogs/....news/best-hypoallerg