[header] How to avoid caffeine withdrawal headaches [title] Recognize a caffeine withdrawal headache. [step] Headaches are almost always the primary complaint of people trying to cut caffeine from their diet. [substeps] The pain associated with this kind of headaches is characterized as radiating and dull and it can last for a few hours to days. 
Since your body was used to high level of caffeine, it will react to any situation where there is sudden decrease of this substance. [title] Understand why caffeine withdrawal causes headaches.