ColdA virus. Sneezing, sore throat, runny then stuffy nose, mild aches, sometimes low fever. Three to seven days, rarely past fourteen.
FluA virus that hits fast and hard. High fever, body aches, exhaustion, dry cough. One to two weeks, with fatigue lingering.
AllergiesNo fever, no body aches. Itchy watery eyes, sneezing fits, clear runny nose, post-nasal drip. Lasts as long as the allergen is around, which can be months.
Itchy Eyes Are The Giveaway