What are the other Names for this Condition? (Also known as/Synonyms)

• Headache from Caffeine-Withdrawal

What is Caffeine-Withdrawal Headache? (Definition/Background Information)

• Caffeine-Withdrawal Headache is described as a form of headache that occurs from stoppage of caffeine intake
• This type of a headache falls in a category of headaches that are attributed to substance withdrawal. Such substances may be prescribed medications, unprescribed use of over-the-counter (OTC) medications, or use of nicotine, alcohol, etc.
• Caffeine is the most commonly used psychoactive (non-prescription) drug worldwide. Beverages, such as coffee and tea, are the most common sources of caffeine
• By definition, Caffeine-Withdrawal Headache has to occur within a day of last caffeine intake, following consumption of 200 mg caffeine per day for over 14 days. The condition is known to resolve spontaneously within a week of last caffeine intake

The criteria for diagnosis of Caffeine-Withdrawal Headache as outlined by the International Headache Society (IHS) is given below:

• Caffeine consumption of over 200 mg/day for more than 2 weeks, which has been interrupted or delayed
• Headache fulfilling the criteria below

Evidence of causation demonstrated by both of the following:

• Headache has developed within 24 hours after last caffeine intake
• Either or both of the following:
  • Headache is relieved within 1 hour by intake of caffeine of quantity 100 mg
  • Headache has resolved within 7 days after total caffeine withdrawal

Not better accounted for by another ICHD-3 diagnosis.

(Source: International Headache Society Classification ICHD-3, London, United Kingdom)