Frightening Event

Hives.

I can't believe it happened AGAIN. Last night while running the bleachers at the local track, my feet began to tingle and so did my finger tips. I knew at that point that my body was beginning it's, now typical, allergic reaction to something. But what in the Hell is it?!

This has happened to me about 4-5 times now within the last 2 years and each incident shows up randomly when I am working out. My husband and I are trying to figure it out, but we have come to some conclusions.

• I've worn a particular track jacket each time this has happened. (it was washed, not dirty)
• I've worn the same shoes each time this has happened.

Now I don't know if those two things combined with sweat has anything to do with it, or if it's friction between the clothing item/shoe with my body. I am starting to think it's the friction causing the heat/sweat to enter my body.

A glimpse into what happened last night:

I finished running my second set of stairs, and I began to feel that tingly sensation on the bottoms of my feet and the fingertips in my hands. I told my husband that we needed to go home immediately. Of course we rode our bike/skateboard to the track, so we had at least half a mile to get home as quickly as possible so that I can take my antihistamine. I get home, go up the stairs to our apartment as quickly as possible, unlock the door, storm into the bathroom... at this point my eyes are almost swollen shut... ripped open the medicine cabinet and tried to find the medicine. Finally found it, stumbled to the couch (I was beginning to black out again), laid down and tried to relax myself. I was breathing rapidly, like I had just ran a marathon.. and that pattern of breathing continued until the antihistamine kicked in. My whole body began to turn red, my face was swollen as Hell.. and then the god-awful itch arose all over my body. I was sweating like crazy, it was hard to breathe, it felt like I was dying or something or just really REALLY sick. I felt like I could puke several times, but knew if I did that the medicine wouldn't work. I tried to keep telling myself that I need to calm myself down or else it's going to get worse. My husband was there for me, doing as I had asked of him, which was a HUGE help. I knew he was very frustrated and scared, I was scared too.

It took a few hours for my body to finally be 'okay'... but I still couldn't get up without being lightheaded, so from 6:30-9:30, I was out... I couldn't do anything. I went to bed at 9:30 or so and slept through the whole night. This morning I feel a lot better, but my finger tips and feet are sore / a little bit numb feeling.

Any of you out there have any suggestions or can relate to these same circumstances? It is only when I am working out that this happens. A PA in the past had told me that I should just take antihistamines before working out, every time. But I just want to know what it is coming from, because it doesn't happen every time I work out, only randomly (or so I think).