Summer heat can take a toll on the body, especially when you’re spending hours outside, exercising, or working in hot and humid conditions. Heat exhaustion is one of the most common heat-related illnesses, and it can cause symptoms such as heavy sweating, weakness, dizziness, nausea, headache, and an elevated body temperature. But can heat exhaustion actually cause a fever? The answer is a little more complicated than it may seem. Heat exhaustion can cause ...