Symptoms of Caffeine Withdrawal—Worse Than Headaches

The symptoms of caffeine withdrawal can be severe and include much more than headaches. In fact, they can keep you from performing your daily life functions. Here is what they are and how to avoid them.

symptoms of caffeine withdrawal

Are you addicted to caffeine? Once you’ve become tolerant to caffeine, you need more and more to get its stimulating effects. If you don’t consume it, your body experiences symptoms of caffeine withdrawal.

Do you have a caffeine addiction? It’s not uncommon. As little as 100 milligrams of caffeine a day—the amount in about 12 ounces of coffee—can lead to symptoms of caffeine withdrawal like headaches and marked fatigue when caffeine consumption is discontinued. Higher daily doses of caffeine (the average adult caffeine consumer in the U.S. ingests about 280 milligrams a day) are even more likely to lead to caffeine withdrawal symptoms, and those symptoms are more likely to be severe, research shows.[1]

The Addictive Nature of Caffeine

Caffeine is an addictive chemical compound, meaning its regular use leads to dependence, tolerance, and withdrawal. Once you’ve become tolerant to caffeine, you need more and more caffeine to get its stimulating effects and if you don’t consume it, your body goes into withdrawal mode. When you abruptly stop (or substantially reduce) your normal daily caffeine ingestion, a characteristic withdrawal syndrome develops. This syndrome, aptly named “caffeine withdrawal syndrome,” has been well-researched and is included in the DSM-5, the latest edition of the Diagnostic and Statistical Manual of Mental Disorders as a substance-related and addictive disorder.[2] 

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Common Symptoms of Caffeine Withdrawal:

Caffeine withdrawal syndrome is indicated by three or more of the following classic symptoms:

  • Headaches. A caffeine withdrawal headache can be throbbing and severe. While they are considered the “hallmark” symptom of caffeine withdrawal, they don’t always occur. Caffeine withdrawal headaches are reported in about 50% of users who suddenly abstain. They are often referred to as the “worst headaches” ever experienced.
  • Marked fatigue or drowsiness. Regular caffeine users who abstain report decreased motivation to work, decreased alertness, and more overall fatigue and drowsiness.
  • Dysphoric mood, depressed mood, or irritability. Medical experts point out that withdrawal from caffeine can look like mild depression.[3] In addition increasing or causing feelings of dysphoria, depression, and irritability, studies have also documented decreased sociability during caffeine withdrawal.
  • Difficulty concentrating. Studies show that when regular caffeine users abstain, their performance on behavioral and cognitive tests (e.g., sustained attention) is impaired.
  • Flu-like symptoms (nausea, vomiting, or muscle pain/stiffness). Feeling achy and flu-like or having an upset stomach are also common caffeine withdrawal symptoms, although they may go less noticed and reported.

Timing of Caffeine Withdrawal Symptoms

Caffeine withdrawal symptoms usually begin within 12 to 24 hours of stopping caffeine and peak after 1 or 2 days of caffeine abstinence. They usually last for a total of 2 to 9 days, although caffeine withdrawal headaches may last up to 21 days.

Caffeine withdrawal symptoms may impair ability to function in normal daily activities

A person is considered to be suffering from “caffeine withdrawal syndrome” if symptoms cause significant distress or impairment in their interactions with others, work, or other important areas of functioning. Because of their caffeine withdrawal symptoms, people may be unable to work, study, exercise, or care for children. They may fall asleep at work, end a vacation early, miss a religious service, or cancel a social gathering. About 10 to 55% of caffeine users who stop will experience this type of significant functional impairment.

Avoid symptoms of caffeine withdrawal by tapering off properly

Gradually reducing your caffeine intake over a period of days or weeks reduces the likelihood you will experience any caffeine withdrawal symptoms at all. The research shows that tapering off 25% every 2 days works best for avoiding symptoms of caffeine withdrawal. “But even just 15-25 mg twice per day, upon awakening and the early afternoon, can help with some of the symptoms,” according to Dr. Ali Canton, MD, of the University of Oklahoma College of Medicine, whose research team presented a review of the scientific literature looking at caffeine withdrawal at the American Psychiatric Association’s annual 2013 meeting.[3] Dr. Canton is referring to the fact that doses of caffeine significantly less than one’s usual dose may be sufficient to prevent and treat caffeine withdrawal symptoms (e.g., consumption of 25 mg by a person who regularly consumes 300 mg).

What’s your caffeine withdrawal experience?

Many people have a tough time trying to give up caffeine, making multiple attempts to quit but ultimately failing. Does this sound familiar? Or maybe you have been able to successfully stop ingesting caffeine. If so, what strategies did you use? Tell us in the Comments section below.
Originally published in 2014, this post has been updated.

  • Dennis P.

    Very one-sided presentation. I find many of your so-called “expert advice” bulletins to be like that, meaning too simplistic. Please be a bit more subtle and include some of the facts and arguments from the other side.

  • Raven

    I am two weeks without caffeine and I went cold turkey. I have found that my headaches lasted only 2 days, but my fatigue and fog have lasted almost 2 weeks. Soooooo ready to be clear headed again!

  • Leila T.

    There job is to present a health blog Dennis. I find their presentation to be quite apt for the lay-person and they have included citations should you feel you need more. You are also quite capable of reading up on other presentations should you feel fit. UHN feels this is accurate and presents what they feel is accurate and correct. ‘Other side’ sounds incorrect from a health perspective.

  • ty ..

    I have been caffeine free for 6 months and am still going through withdrawal symptoms of fatigue, but i have been a regular user for 30 years so i had a strong dependency.

  • Some have withdrawals for 6 months before feeling normal, but all of them say it’s worth it so stay strong.

  • I am currently withdrawing from caffeine (day 5) and experiencing headaches and fatigue but worst of all – excruciating lower back pain! I know this is because my adrenal glands are worn out but I have gone through caffeine detoxes before and never has it been so severe. Any tips? I end up popping a few Tylenols to get me through the day. Anything more holistic?

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