Medically reviewed by Corinne Savides Happel, MD A rash on your palms can happen for many reasons, like eczema, allergies, ...

Scabies is caused by the microscopic mite Sarcoptes scabiei var. hominis, which is specific to humans. The female mite burrows into the skin, laying eggs that hatch into larvae.

It can happen to anyone." Scabies is a microscopic mite that burrows under the skin to lay eggs, affecting more than 400 million people each year according to the World Health Organization.