Yes. I never had a panic attack in my life until about 3 weeks ago.

I had recovered (or so I thought) from my PCS which occured about a month before hand.

I got the cold and felt unwell. Suddenly I started feeling dizzy and getting a headache, and hey presto my PCS was back again.

I tried to go to bed but my headache wasn't clearing. Suddenly my heart started racing, and I didn't know what was happening.

I got up and walked it off, went back to bed and eventually got to sleep.

I haven't had any attacks since then, and haven't been on any meds. I think mine may have been psychologially induced, as I thought I had gotten rid of my PCS and suddenly it was back, bad as ever, and I may have panicked.

I couldn't say for sure though.