Dizziness, faintness, and mental confusion are often present, as is a rapid, weak pulse.
Other symptoms of heat stroke include mental confusion with possible combativeness and bizarre behavior, staggering, and faintness.
Carlson. "Faintness, Syncope, Dizziness, and Vertigo."
Other symptoms include skin blisters and discoloration, weakness, sweating, nausea, faintness, dizziness, bruising, and tender lymph nodes.
The danger signs, which usually begin ten minutes after an individual is stung (though possibly not for several hours) include nausea, faintness, chest pain, abdominal cramps, diarrhea, and difficulty swallowing or breathing.