How do you take a headach away from 10 year olds?

To help alleviate a headache in a 10-year-old, ensure they are well-hydrated, as dehydration can often be a cause. Encourage them to rest in a quiet, dark room and apply a cool compress to their forehead. Over-the-counter pain relief, like children's acetaminophen or ibuprofen, can be effective, but always check with a healthcare professional for appropriate dosages. If headaches persist or worsen, consult a doctor for further evaluation.