What Diseases Can Cause Hives?

Can hives be a sign of something serious?

Hives appear as a rapidly spreading, red, raised and itchy rash in splotches or all over the body.

Caused by an allergic reaction to medications or food, hives can be a sign of a life-threatening problem when accompanied by difficulty breathing and a drop in blood pressure.

What infections cause hives?

Bacterial infections (such as urinary tract infections and strep throat) and viral infections (such as hepatitis and norovirus, a common cause of stomach “flu”) were also found to be triggers of chronic hives.

Why would someone break out in hives for no reason?

Allergic reactions, chemicals in certain foods, insect stings, sunlight exposure, or medications can all cause histamine release. It’s often impossible to find out exactly why hives have formed. The most common causes are certain foods, medications, or infections.

Can hives be a sign of cancer?

In some cases, chronic hives may be related to an underlying illness, such as a thyroid disease or, rarely, cancer.

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