Fifth Disease
Fifth disease is another viral infection commonly developing in children which leads to the symptom of red and flat rash all over the upper arms, cheeks, and legs.
Hand, foot, and mouth disease
Hand, foot, and mouth disease is another viral infection that can result in red lesions and skin rashes on the mouth, hands, and feet in children and sometimes in adults.
Impetigo
Impetigo is a bacterial infection of children which is contagious as well that results in causing a yellow, crusty rash, itchy, and fluid-filled sores all over the hands, neck, and face.
Kawasaki disease
Kawasaki disease is also a cause of skin rash in children which is quite rare to occur but is a chronic illness that stimulates the appearance of fever and an itchy rash in its early stages. Kawasaki disease can lead to aneurysms of the coronary artery as one of the complications of the illness. [4]