It's crucial to consult a medical professional, like a pediatrician or allergist, to determine the cause of the red mark and receive appropriate guidance.
Here's why:
* Accurate diagnosis: A medical professional can assess the situation, rule out other possibilities, and make an informed diagnosis.
* Treatment options: Depending on the cause, they can recommend appropriate treatment options, which might involve medication, allergy testing, or other measures.
* Safety: Some allergies can be serious, and early intervention is essential for preventing complications.
Please don't hesitate to seek medical advice for your child's health.