Panicking about going to the grocery store

I realized two weeks ago that I get extremely panicky when I go grocery shopping so my husband and he went shopping for the past weeks. this week he told me that he wants me to go shopping and I was getting ready to go and now I’m having a complete panic. I know that if I take a Clonopin I’ll calm down and I’ll be able to go but I don’t want to take a Clonopin. I know that I could change my feelings and my thoughts about going to the grocery store but I don’t want to. I am so immobilized by all of my emotions I don’t know what to do.

Please advise.