I just wrote a reply to this and it's disappeared, even though I saw it appear. I'm mega confused.
Right, I'll try again, I guess.
Panic attacks can be terrifying and draining, but can be managed. Have you been to your doc about it? There are meds out there that can help you manage the panic and any other symptoms you may get with them.
Do you know what it is that triggers you? What makes you panic? If you cna figure that out then you stand a good chance at being able to help yourself find good coping strategies. One that paramedics taught me was breathing techniques, breathe in for 4, hold for 2 and out for 5. The counting needs to be done quite slowly, but this is how I manage all my attacks now so oncce it is practiced I can vouch that it is very effective.
You could do other things to help yourself, like keep a 'safe' object with you, like a small teddy, or stone, or soemthing, that you could hold when you feel yourself starting to panic. You could also try grounding yourself using a grounding technique (if you don't know what this is feel free to PM me and I will explain).
With regards to agoraphobia, yes, panic attacks can be part of that fear, but equally, they can be part of many other fears. Infact, panic attacks can show themselves related to any fear, not just going outside. Ideally you need to try and figure out what it is that is scaring you, and I really recommend going to a doc about it. They can really help.
Hope this helps, take care and feel free to PM me if you want to chat