...you haven't hiked regularly? I didn't experience these during the hike but about half hour afterward. Think I might have had a mild fever as well, but not sure.
This was AFTER I both finished the hike and went home to drink plenty of water and have a meal. I don't know how high it was. My face only felt really warm, and I think I was a bit forgetful. Later, my legs started cramping and I got a bit of a headache (by now, the fever had gone), but that...