<s>[INST] Good Morning, Everytime I get out f the bath or shower i end up with red blotches on the skin, on my back, backs of arms etc these fade after time and go back to original skin colour however the area that was once red has gone extremely dry what is this am i allergic to water? [/INST] Hello. From your history it seems a condition what we call "aquaponic urticaria". It is not always necessary that water is the culprit. It may be some chemical used in purification of water that is causing the reaction. Or it may be the temperature of the water (too cold or too hot) that is causing the reaction. This is a very benign condition. You can take antihistamines when such reaction occurs. You also can use moisturizing lotion daily for Chat Doctor.  Correcting the  </s>