How long doe’s recovery from a panic attack take?

About 5 days ago I had 2 panic/anxiety attacks with elevated heart rates in one night I went to the ER both times and my heart rate always calmed down when I got there. So they did what the did made sure I was good to go home etc. prescribed me some medication as well. Now a few days later I’m not having panic attack but I’m experiencing some slight sharpness in my arm, my feet, and at times I do feel a little like I’m about to have a panic attack. And I just wanna know how long does it take to recover or is this my life forever?
How long doe’s recovery from a panic attack take?
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