Healthline, Mayo Clinic, Everyday Health and WebMD offer several images of itchy skin rashes on their websites. Common causes of itchy rashes include various diseases, allergies and medications, states Healthline.
Contact dermatitis rashes can develop when a person comes into contact with poisonous plants, such as poison ivy or poison oak; chemicals in latex or rubber; dyes in clothing; and certain beauty products, laundry detergents and soaps, according to Healthline. Other types of itchy rashes include psoriasis, eczema and dandruff.
To relieve itching, doctors may recommend over-the-counter anti-itch creams containing hydrocortisone and oral antihistamines, such as hydroxyzine and diphenhydramine, states MedicineNet.