I have been having a dull achey chest pain for about 24 hours that gets worse when I move my neck or raise my?

I have been having a dull achey chest pain for about 24 hours that gets worse when I move my neck or raise my arms. I have also dealt with bulimia for about 3 years, so that is probably relevant. If this ache continues, at what point should I see the doctor to get it checked out?