I decided to run indoors, where it's more likely to be free of allergens (smart), but I failed to bring my emergency drugs with me, despite what happened to me yesterday (dumb). I noticed right away that I had to run a lot faster than usual to get to 75% of maximum heart rate, and I thought it was because I'm in such wonderful shape now (dumb). But it seemed much harder than an aerobic run should, and when I had finished an hour and 15 minutes of the hour and 30 minutes, I started to feel my throat swelling up. I panicked and went straight home (smart). I ended up taking another small dose of Benadryl (smart), which seemed to help without rendering me completely useless for the rest of the day. I also skipped a 45-minute bike ride (smart).
While I moped about my stupid fate of being allergic to exercise, I Googled "anaphylaxis" to see if I could find anything to help. What I found was a lot of medical words that I couldn't quite wade through, but I did find out that anaphylaxis suppresses your blood pressure and cardiovascular system, so it would be harder to get my heart rate elevated (and dumb to attempt it). In a nutshell, the histamines I awakened yesterday were not quite through with me yet, and running just made them angry.