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However, at higher doses, these stimulatory effects can become excessive and lead to a wide range of unpleasant symptoms including a dysphoric physical and mental state that is labeled caffeinism and is also known colloquially as "coffee nerves" or "caffeine jitters." These symptoms including nervousness, irritability, restlessness, insomnia ...
Mast also said that people with anxiety disorders and heart conditions should limit their caffeine consumption due to the way that the stimulant can “increase anxiety, agitation, (and) blood ...
Caffeine dependence can cause a host of physiological effects if caffeine consumption is not maintained. Commonly known caffeine withdrawal symptoms include headaches, fatigue, loss of focus, lack of motivation, mood swings, nausea, insomnia, dizziness, cardiac issues, hypertension, anxiety, and backache and joint pain; these can range in severity from mild to severe. [18]
Minor undesired symptoms from caffeine ingestion not sufficiently severe to warrant a psychiatric diagnosis are common and include mild anxiety, jitteriness, insomnia, increased sleep latency, and reduced coordination. [52] [97] Caffeine can have negative effects on anxiety disorders. [98]
The potential benefits of caffeine are increased focus and reaction time, reduced perceived effort, and faster sprint performance. It blocks tiredness-causing adenosine from receptors in the brain.
Caffeine-induced anxiety disorder is a subclass of the DSM-5 diagnosis of substance/medication-induced anxiety disorder. [1] Consumption of caffeine has long been linked to anxiety. [2] The effects of caffeine and the symptoms of anxiety both increase activity within the sympathetic nervous system.
The health effects of coffee include various possible health benefits and health risks. [ 1 ] A 2017 umbrella review of meta-analyses found that drinking coffee is generally safe within usual levels of intake and is more likely to improve health outcomes than to cause harm at doses of 3 or 4 cups of coffee daily.
Additive effect [3] Ephedra Ephedra: Caffeine, decongestants, stimulants [15] Increases sympathomimetic effect of ephedra [3] Feverfew: featherfew Tanacetum parthenium: Aspirin Additive effect [3] Garlic: Allium sativum: Warfarin Additive effect Ginger: Zingiber officinale: Warfarin Additive effect, causes iris bleeding [3] Ginkgo gingko Ginkgo ...