Feel your forehead, neck, or chest with the back of your hand
Compare your skin temperature to someone else’s if possible
Check for chills or shivering
Notice sweating without a clear reason
Look for flushed or red skin
Pay attention to body aches or weakness
Check for headache
Notice fatigue or unusual tiredness
Watch for rapid breathing or a fast heartbeat
Look for loss of appetite
Check for dizziness or confusion
See if you feel unusually hot to others when touched
Consider whether you have been exposed to illness recently
Seek medical care if symptoms are severe, persistent, or worsening