Flu: Symptoms, treatment, contagiousness, and do I have it? - Classic adult flu symptoms Like 99.84% | 388 votes Views: 365 475 Download Fever over F (38 C). Aching muscles. Categories: Lightskin Comments: Add Comment Cancel By Arakora - 21:25 Chills and sweats. By Kajilkis - 00:14 Dry, persistent cough. By Dulabar - 10:09 Fatigue and weakness. By Doulabar - 17:49 Nasal congestion. By Vukazahn - 16:32 People who have flu often feel some or all of these symptoms: people may have vomiting and diarrhea, though this is more common in children than adults.