What causes hypersensitivity in newborns?

Hypersensitivity, or an exaggerated immune response, can occur in newborns when their immune system reacts abnormally to certain substances, such as foods, medications, vaccines, or environmental allergens. Although newborns have an immature immune system, they can still develop reactions such as rashes, hives, swelling, respiratory problems, or digestive disturbances. Causes can include maternal antibodies, genetic predisposition, or exposure to allergens through breast milk or the environment. Early recognition is important, as severe reactions like anaphylaxis require immediate medical attention. Management typically involves avoiding triggers, providing supportive care, and, in some cases, using medications such as antihistamines or corticosteroids under medical supervision.

What are some factors that caus hypersensitivity in newborns according to you ?

MBH/PS

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