Risks The Risks of Trying to Sweat More There can be real dangers to sweating too much during your workouts, Chu says. Sweating a lot can carry risks like dehydration . Dehydration affects nearly every system in the body, leading to symptoms like weakness, confusion, nausea , and low blood pressure . If severe enough, dehydration can even create life-threatening complications.e60dc2a1-f33c-4a05-9b50-8e3e8e597629383eb535-7689-47fe-a09b-5bd4674b…