There are a few signs and symptoms that can indicate your teenage daughter may be anemic, but only a medical professional can give a true diagnosis. Symptoms of anemia include: Pale or yellow skin and lips Pale nail beds or lining of the eyes Weakness Fatigue Dizziness Fainting Chest pain Breathlessness Headaches Even mild anemia can affect your daughter's energy and make it harder to focus at school, so it's important to speak to her pediatrician or a functional medicine practitioner if you notice any of these signs.