In one study of 288 women with chronic hives, almost one-third had symptoms that were twice as bad during pregnancy. Interestingly, the worst flareups were seen in those with mild hives who weren ...

These hives may even disappear from one area only to turn up in another. Still, only about 3% of cases are due to food allergies. Mild hives don’t need to be treated. They should go away on ...