Cold vs. Flu vs. COVID vs. Allergies

A side-by-side symptom comparison of the common cold, flu, COVID-19, and seasonal allergies — how to tell them apart, what helps for each, and when to seek care.

cold
flu
covid-19
allergies
respiratory
fever
congestion
when to see a doctor

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Physician reviewed by: United Medical Group
Medical specialty: Internal Medicine
Category: General Health

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Medical Disclaimer: This infographic is for general health education only and does not constitute medical advice, diagnosis, or treatment. Always consult a licensed physician before starting, stopping, or changing any medication. Individual results vary. Some medications referenced are prescription-only and require physician supervision.

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