Anxiety- 6 weekappointment

Would I talk to my OB at my 6 week appointment about getting some kind of anxiety medicine for an as needed basis? Or would I need to talk to my family doctor? I’ve always dealt with some form of anxiety basically my whole life but have never wanted to take medicine. Sometimes it just gets to be too much and I find myself getting agitated and anxious a lot more and a lot easier. I don’t feel like I would need medicine every single day but I didn’t know if I could just have something as needed.

* I do not have any feelings of hurting myself or anyone. Just stating that before someone asks. Thanks!