Circle on spots on my neck that are red and itchy?

Hard to tell: It would be very difficult to tell for sure what those spots are without seeing them, particularly in person. It could possibly be eczema, an allergic reaction to a soap, detergent, perfume, or jewelry, or even a fungal infection. I would recommend getting an in-person opinion from your doc, but in the meantime you can try some 1% Hydrocortisone cream on it to see if it helps the itching.

Visual DX: Hi, it’s hard to say without a picture but there is a great app that may be able to help you get a diagnosis without being seen in person by a dermatologist. The app is called VisualDX and is one of the best, if not the best out there. Many clinicians, including myself, use it. Just snap a photo and it gives you a list of possible diagnoses. Good luck!