If a person is suffering from cold urticaria, he/she is likely to develop small red welts (hives) on the exposed skin. These welts or hives appear within 2-5 minutes of exposure to the cold.
They can form in clusters and look like large welts or tiny dots. A stress rash can occur anywhere, Lee says, but is more likely to show up in areas where your skin folds or rubs against clothing ...
If you're in sunlight with the sap on your skin, it can cause a rash, followed by burning and blistering that can take around a week to heal. Even after this healing period, the skin can remain ...
By day 19, the rash significantly worsened, spread to his torso, and included urticaria with welts. On day 20, the rash continued to worsen and swelling developed in his feet, hands, arms ...