Cold vs. Allergies vs. Sinus Infection: How to Tell the Difference
Colds, allergies, and sinus infections can all cause a blocked or runny nose, sneezing, and congestion, which can make them difficult to distinguish. A cold is usually caused by a virus and tends to improve within about 7–10 days, although cough or nasal symptoms may sometimes last longer. Allergies commonly cause repeated sneezing, an itchy […]