Allergies usually cause itchy eyes, nose, or throat; colds usually do not
Allergies often cause clear, watery runny nose; colds often cause thicker mucus
Allergies usually do not cause fever; colds sometimes do
Allergies can last for weeks or months; colds usually last 7 to 10 days
Allergies often happen after exposure to pollen, dust, pets, or mold; colds spread from person to person
Allergies usually do not cause body aches; colds can
Allergies often cause sneezing fits; colds can cause sneezing but usually with other cold symptoms
Colds more often cause sore throat and cough; allergies may cause these less often
Allergies may come and go with seasons or environments; colds usually start suddenly and improve over time
If symptoms keep returning in the same setting or season, allergies are more likely
If you have fever, fatigue, or body aches, a cold is more likely
If symptoms are severe, last a long time, or you are unsure, contact a healthcare professional
