Cold sores, also known as fever blisters, can appear on your mouth or lip and are usually caused by oral herpes or herpes simplex virus type 1 (HSV-1). “It’s extremely ubiquitous,” says Alexandra ...

A head cold, also known as the common cold or head congestion, is a viral nose and throat infection. It’s often a mild sickness that can be treated at home. These remedies won’t make your cold go away ...

A runny nose, headache, or sore throat could be symptoms of either COVID-19 or a bad cold. Experts said it's tough to know the difference between the two from symptoms alone — so don't self-diagnose.

Seasonal allergies are rising as spring weather returns to the Chicago area, but as the coronavirus pandemic continues to grip both the city and Illinois, how can you tell if your symptoms are pollen ...