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 ...

Norovirus doesn’t usually cause a rash, though some people develop hives. A rash that accompanies stomach symptoms may suggest a different stomach virus or inflammatory bowel disease. Norovirus is a ...

There are more reasons than ever for people to be stressed out right now. Unfortunately for some, that increased stress can present physically. Those suffering from higher-than-normal stress levels ...

If you notice red, itchy welts suddenly popping up on your skin, you may start to panic. Are you having an allergic reaction? Did you catch something contagious? But your mystery rash may have a much ...

A stress rash looks like raised red bumps that cluster together in large welts or tiny dots. Stress rashes can appear anywhere on the body from the arms and legs to the face and back. To treat a ...

PALO ALTO, Calif. -- Hives and rashes are some of the symptoms infectious diseases specialists are getting calls about after people test negative for COVID. They may start on your knees or arms and ...

Enter food therapy—a gentle, empowering approach that harnesses the power of everyday edibles to address root causes like ...

We usually think of COVID-19 as a viral illness that causes respiratory symptoms, like congestion, sore throat and a cough. But, like a surprising amount of other viruses, the coronavirus can also ...

Cold urticaria is a rare but potentially serious condition in which contact with cold weather causes the immune system to ...

For most people, cold weather is an inconvenience, requiring an extra layer of clothing or the thermostat to be turned up. For others, exposure to cold can trigger an allergic reaction severe enough ...

Skin rashes can have many different causes, one of which is medications. The symptoms of drug-induced skin reactions can range from a mild itchy rash to more serious reactions, such as widespread ...