Provide important clues.woman writing in journal image by jimcox40 from Fotolia.com
Write down the time your headache occurs and the dates you have them during the month, as suggested by the University of California San Francisco Medical Center. Estimate how long the headaches last and if they come in clusters.
Help identify possible migraines.headache image by Jarek Miarka from Fotolia.com
Note if you have auras or if you have light sensitivity, which could be signs of migraines. Other migraine symptoms include sound sensitivity, nausea, pain localized to one side, flashing or zigzagging lights. Note whether you experience sensations such as sweet cravings, thirst or changes in your personality before your migraine.
Medications can cause headaches.Drugs image by __PeTe__ from Fotolia.com
List any medication and supplements you're taking. Also list if you're taking headache medications and what the dosage is of your medications.
Keep a note of personal information.writing image by Alison Bowden from Fotolia.com
Include information pertaining to what you were doing when your headache developed, whether you've had life changes or any recent medical issues. Keep detailed notes of foods you eat and what you drink.
Headaches impacting your life can be distressing.headache or stress image by Kathy Burns from Fotolia.com
Write in your journal if the headaches affect your daily living, if you've had to miss work or if the headaches have an impact on your family. Enlist the help of a family member to provide information for your journal that you may not remember.