I Thought I Was Having Hot Flashes Starting Back Up

I thought I was having hot flashes starting back up after years of having none however, I am sweating profusely when i do anything. My blood pressure was 124/78 taken a couple weeks apart and getting the same reading. I feel fine. I was doing ten minutes on treadmill and no problems but stopped when the heat wave hit my garage treadmill four weeks ago. Can't stop profusely sweating unless I sit-down and stop.