Allergies: itchy eyes and nose, sneezing fits, clear drainage, no fever, weeks long, and calmed by antihistamines. COVID: fever or chills, body aches, dry cough, sore throat without itch, profound fatigue, and sometimes smell or taste loss.
Context splits them: allergies track pollen and calm indoors; COVID follows an exposure and builds over days. In the overlap season, test: the CDC's home-testing guidance is two tests 48 hours apart when the first is negative but symptoms continue, because early tests miss early infections. The actions differ: allergies get antihistamines, nasal steroids, and trigger reduction; COVID gets the stay-home protocol (fever-free 24 hours plus improving, then 5 days of precautions), and high-risk people call a doctor promptly, because antivirals must start within 5 days. The permanent fix for the annual confusion: if every spring looks like this, it is allergies, and testing plus a daily seasonal nasal steroid ends the guessing.
What to do
Common questions
COVID vs allergies?
Both cause congestion, sneezing, and a scratchy throat, which is the confusion zone, but the tells split them. Allergies: itchy eyes, nose, and throat (COVID almost never itches), sneezing fits, clear drainage, no fever, no body aches, and a seasonal or exposure-linked pattern that lasts weeks. COVID: possible fever or chills (allergies never cause fever), body aches, headache, a dry cough, sore throat without the itch, profound fatigue, and the signature though no longer universal symptom: loss of smell or taste. The context check: allergies flare with pollen counts, pets, and yard work and calm indoors with antihistamines; COVID follows an exposure and keeps building over days regardless of what you take. The honest answer in the overlap season: take a home COVID test, per the CDC's guidance, because the symptom lists genuinely overlap and the actions differ; if negative but symptoms continue, repeat in 48 hours (early tests can miss early infections). What to do with each answer: allergies get antihistamines, nasal steroid sprays, and trigger avoidance. COVID gets the respiratory-virus protocol: stay home until fever-free 24 hours with improving symptoms, then 5 days of precautions, and if you are high-risk (65-plus, immunocompromised, chronic conditions), call a doctor promptly after a positive test, because antivirals like Paxlovid must start within 5 days of symptoms. The pattern that ends the guessing permanently: if every spring looks like this, responds to antihistamines, and never involves fever, it is allergies, and allergy testing plus a daily seasonal nasal steroid can end the annual uncertainty.