If you have an itchy scalp at night, common causes like psoriasis or eczema may be the first thing that come to mind. However, other reasons for your itchy scalp include hives, dandruff ...

Although the kidneys may feel unrelated to your skin, chronic kidney disease can cause itching. This type of itchiness often affects large areas and is worse at night. "The kidneys are tasked with ...

Scabies causes tiny blisters or sores on the skin that are extremely itchy, especially at night. These sores typically occur in thin, irregular lines showing the path of the mite under the skin.