Insurance companies often have an 800 number you can call 24 hours with a nurse that you can ask.

No one can say to go to the ER. It is a 4-5 hour visit usually and they will run tests. Have you ever thought if the tests you had have already did not find any severe physical ailment?

Oftentimes anxiety takes us down some deadend streets. If you are anxious do you have any prescribed meds you take when you get anxious.

In the end use your best judgment how seriously sick you are and whether you can wait till Saturday or if you need immediate attention.