I used to have those fears too - years of drinking sapped my self esteem. made me scared & left me feeling I couldn't do anything on my own.
You absolutely can take care of yourself Patricia - honestly. It may not seem like it now but you can.
I'm not saying do it alone - I am saying reach out for help...and accept that you are a good decent and capable person who can look after herself
Have you got an appointment booked with a Dr or psych?
I'd start there because this round of anxiety seems particularly debilitating for you?