Signs and symptoms caused by summer heat Excessive sweating,thirsty,shortness of breath,lassitude,concentrated urine, high fever,red and dry skin,delirium or coma dizziness,heavy sensation in head,press feeling on chest,nausea,poor appetite, diarrhea Signs and symptoms caused by summer heat • Excessive sweating, thirsty, shortness of breath, lassitude, concentrated urine, high fever, red and dry skin, delirium or coma • dizziness, heavy sensation in head, press feeling on chest, nausea, poor appetite, diarrhea