The one med in particular makes me prone to heat exhaustion, have been on it for years but still have to really careful. Doing yardwork the other day caught me off guard, dizziness, sweats with chills, and flushed skin set in. I hadn't had this in so long, I wondered what was happening to me. I'd forgotten about the med and heat; it also hasn't been this hot here in a long time. Was able to get inside, to the fan, ice packs, and hydrate in time. Couldn't get off the couch for awhile though.