relentless itching

What Causes Unbearable Itching? Along with your body’s natural circadian rhythms, a number of different health conditions can cause itchy skin to become worse at night. These include: skin diseases such as atopic dermatitis (eczema), psoriasis, and hives. bugs like scabies, lice, bed bugs, and pinworms. What causes relentless itching? Common causes of itching allergies