The appearance of red spots on the skin accompanied by itching sometimes makes you wonder whether the cause. Red itchy spots on the skin can occur due to various factors, such as infection, heat, allergens, immune system disorders, or medications. Red spots on the skin accompanied by itching often occur in the face, arms and legs. However, it can also occur in the body and other body areas. Various Possible Causes There are various things that might cause a person to experience red spots on the skin accompanied by itching, including: Insect bite Bite of small animals such as insects, including one of the most common causes of the appearance of red spots on the skin accompanied by itching. Ranging from mosquito bites, ants, pet fleas, bed mites, to spiders can cause this complaint. Besides complaints can also be accompanied by pain and swelling around the insect bite area. Contact dermatitis One of the most common causes of red spots on the skin accompanied by itching