Hey girls ? I have a sour taste in my mouth constantly. It's not just …

Hey girls ? I have a sour taste in my mouth constantly. It's not just sour, it's kind of nasty, I don't even know how to describe it. When I eat or drink something, this taste disappears exactly for 2-3 minutes, and then again the same thing. Is that normal? I'm alone or am I not alone like this ?