Elevated body temperature might be caused by A virus bacterial infection. Heat exhaustion <span>vomiting may be caused by </span>food poisoning<span>, </span><span>gastritis your welcome ;)</span>
Weakness and nausea are the responses of vomiting and fever. Because people tend to feel weak and uneasy after vomiting. Body temperature also increases resulting headache and body cramp.
The stimulus that causes he response is coldness and weakness. And the purpose of the response of a fever is that it raises the body temperatures so that the bacteria and germs that causes the fever get kill or destroy that are sensitive to temperature changes.