- Sulfites - a preservative which is used in beverages and packed/backed foods to preserve.
- Ice cream can cause headache. To feel better just drink something warm or hold your tongue to the roof of your mouth for while to warm it up.
- Headache medication can also cause rebound headache. So don't take too often and higher doses. If you feel headache more frequently then talk to your doc.
- Nasal discharge, congestion, postnasal drip, and a sore throat can cause headache. A warm shower might help with congestion.
- Some people who get migraines they get "Weekend Headaches". Changes in your routine can bring the pain.
- Dehydration also causes headache which is called hangover headache. Hormonal changes can also cause the hangover headaches.
- Sex can help in relieving headache but some people feel the other way, they get headache after having sex.
- Sudden and severe headache along with a stiff neck and vomiting could be symptoms of meningitis or bleeding in your brain.