Add Yahoo as a preferred source to see more of our stories on Google. Getting COVID-19 can cause all manner of odd skin reactions. A new study finds some of them, including COVID toes, a measleslike ...

Skin reactions can be alarming, especially when they appear suddenly. Many people struggle to tell the difference between hives and a rash, but knowing the cause is the first step toward relief. Black ...

Many of us are familiar with allergies that cause sneezing and a tickle in the back of the throat. You might reach for an over-the-counter medication or wait for allergy season to subside. But what ...

A common symptom of Lyme disease is a bullseye-shaped rash. However, many other conditions may cause a similar rash, including ringworm, fixed drug reactions, and allergic reactions to insect bites.

Allergic reactions are a serious condition many Americans face due to an abnormal immune response in the body that, in some cases, can result in death. An allergic reaction occurs when the immune ...

Even if you’re not an avid swimmer, a quick dip in the pool is so refreshing on a hot summer day. The hitch: The chlorine used to kill bacteria, viruses and other harmful microorganisms in pool water ...

About 8% of children and 10% of adults in the United States have food allergies. Itching is the most common symptom of an allergic reaction to food. It can begin within a few minutes or a few hours of ...

Getting COVID-19 can cause all manner of odd skin reactions. A new study finds some of them, including COVID toes, a measleslike rash and shingles also can be rare, and thankfully brief, side effects ...