The list of signs and symptoms mentioned in various sources for Influenza A includes the 19 symptoms listed below: 1  Runny nose. 2  Sore throat. 3  Aching muscles. 4  Headache. 5  Cough. 6  Nasal congestion. 7  Malaise. 8  Fever. 9  Watery eyes. 10  Aching joints. 11  Aching body. 12  Chills. 13  Fatigue. 14  Red eyes. 15  Red skin. 16  Red nose. 17  Red throat. 18  Loss of appetite. 19  Weakness. 20  more ....