Viral Exanthem (Non-Specific Viral Rash): This is a common cause of facial rashes in children that are not itchy. Viral exanthems can be caused by a variety of viruses and often present with a morbilliform (measles-like) rash.

Erythema Infectiosum (Fifth Disease): Caused by Parvovirus B19, this condition typically presents with a "slapped cheek" appearance and is more common in children. The rash usually does not itch.
Kawasaki Disease: An acute febrile illness that can cause a non-itchy rash, along with other symptoms like fever, conjunctivitis, and changes to the lips and oral cavity.
Allergic Contact Dermatitis (in cases where the rash is not itchy due to the specific allergen or individual tolerance): Though typically itchy, some cases might not present with significant pruritus, especially in the early stages or depending on the allergen.

Meningococcemia: A life-threatening condition caused by Neisseria meningitidis, which can present with a non-itchy rash (petechiae or purpura). Early recognition is crucial for survival.
Rocky Mountain Spotted Fever (RMSF): A tick-borne illness caused by Rickettsia rickettsii, characterized by fever, headache, and a rash that may not be itchy. It's critical to diagnose and treat promptly to prevent serious complications.
Staphylococcal Scalded Skin Syndrome (SSSS): Caused by staphylococcal toxins, SSSS can present with a rash that resembles burns and does not typically itch. It's more common in infants and young children.

Sweet Syndrome (Acute Febrile Neutrophilic Dermatosis): A rare condition characterized by fever, neutrophilia, and tender, erythematous skin lesions that might not itch. It's more common in adults but can occur in children.
Juvenile Dermatomyositis: An autoimmune condition that can cause a non-itchy rash, along with muscle weakness. The rash often involves the face and can be accompanied by other skin manifestations like Gottron's papules.