Does it seem like the more you scratch, the more your skin itches? Usually, itchy skin is caused by dry skin. However, in other cases, itch can signal other undiagnosed medical issues that need a doctor's attention. Itchy Back Causes, Itching All Over, Itching Remedies Skin, Itchy Skin Causes, Rash On Hands, Itchy Legs, Itching Remedies, Itchy Body, Itchy Hands