If the headache is triggered or worsened by environmental factors such as bright lights or loud noises, such exposures should be minimized to the extent possible. Social triggers such as unpleasant classes in school or conflicts at home are more difficult to modify, but addressing and controlling such stressors is far more effective than medication. If a child with a headache wishes to lie in a dark room and sleep, the care giver should generally trust the child's instincts. In cases where a child appears seriously ill or is difficult to arouse, a doctor should be called immediately. Some quiet, relaxed activity, coupled with reassurance, will help many headaches.
Medications can be helpful for short term treatment of headaches.
If headaches persist for more than 24 hours despite maneuvers and medicine, or if they are severe, a physician should become involved. It is generally very safe. The most serious side effect is liver damage, which is extremely rare when the correct dose is given. The doses recommended on the box are appropriate in most cases. Acetaminophen should not be taken more often than every four hours.