Trouble concentratingĪnother symptom of caffeine withdrawal is trouble concentrating or feeling foggy-headed. When caffeine levels drop, the levels of dopamine and serotonin in your brain also drop, which can lead to feelings of irritability. The caffeine withdrawal effect can also cause irritability and mood swings because caffeine affects the levels of dopamine and serotonin in your brain, which are neurotransmitters that regulate mood. When the effects wear off, you may take more doses of caffeine, such as more cups of coffee, which will only increase your caffeine intake and reliance on it as a way to stay alert. The effects of caffeine can normally last for around 4 to 6 hours after caffeine consumption but can vary from person to person.
When caffeine is no longer in your system, the adenosine can build up and make you feel tired. FatigueĪnother common symptom of caffeine withdrawal is fatigue or feeling tired which is because caffeine acts as a stimulant and can mask how tired you actually are.Ĭaffeine makes you feel more alert because it prevents drowsiness by blocking adenosine, a neurotransmitter that makes you feel sleepy. It is for this reason that caffeine is also included in some pain relievers that can help with headaches. The increase in blood flow causes can cause your head to hurt resulting in headaches. When you suddenly stop the consumption of caffeine, your blood vessels dilate allowing more blood to flow inside your brain.
Chronic headaches occur during caffeine withdrawal because caffeine is a vasoconstrictor, meaning it constricts blood vessels. The most common symptom of caffeine withdrawal is headaches. If you are addicted to caffeine, the common symptoms of withdrawal may include: Headaches There are a number of signs and symptoms you may have if you are experiencing the effects of caffeine withdrawal. Caffeine Withdrawl What are the signs and symptoms of caffeine withdrawal?
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