Restlessness, nervousness, excitement, insomnia, confusion and excessive energy.
You can prevent caffeine overdose by adhering to the recommended safe dosage guidelines. Generally a dose between 250-500mg (check caffeine amounts here) could produce some of the above mild to moderate symptoms, especially in those with no tolerance of high caffeine sensitivity. Caffeine’s major effects are experienced for at least 4 hours. 1  This is longer for those sensitive to caffeine. 2  This is longer with extremely large doses. 3  This is based on the half life of caffeine which is 4-6 hours. Other symptoms seem more severe, and call for immediate medical treatment. These more serious symptoms of caffeine overdose include the following: 1  trouble breathing. 2  vomiting. 3  hallucinations. 4  confusion. 5  chest pain. 6  irregular or fast heartbeat. 7  uncontrollable muscle movements. 8  convulsions. There are several types of symptoms that come with this condition. Some symptoms may not immediately alert you to the fact that you have had too much caffeine, since they may not seem serious. For example, you may experience: 1  dizziness. 2  diarrhea. 3  increased thirst. 4  insomnia. 5  headache. 6  fever. 7  irritability. These more serious symptoms of caffeine overdose include the following: 1  trouble breathing. 2  vomiting. 3  hallucinations. 4  confusion. 5  chest pain. 6  irregular or fast heartbeat. There are several types of symptoms that come with this condition. Some symptoms may not immediately alert you to the fact that you have had too much caffeine, since they may not seem serious. For example, you may experience: 1  dizziness. 2  diarrhea. 3  increased thirst. 4  insomnia. 5  headache. 6  fever. 7  irritability. Excessive sweating and Palpitations (fluttering in chest). WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms excessive sweating and palpitations (fluttering in chest) including Atrial fibrillation, Panic attack, and Generalized anxiety disorder.  Coffee contains caffeine. Colas contain caffeine, though generally not as much as coffee or energy drinks. A common symptom of caffeine intoxication is restlessness and insomnia. Energy drinks contain large amounts of caffeine. Excitement and excessive energy are common symptoms of caffeine intoxication. Profuse sweating might also accompany intoxication with caffeine. If very high doses — more than 10 grams — of caffeine are taken, a person might experience seizures, respiratory failure and ultimately, death. Milder forms of caffeine overdose normally will subside within four to six hours. An individual withdrawing from caffeine because of a chronic toxic overdose may experience symptoms of withdrawal including headache, nausea, nervousness, reduced alertness and depressed mood. These symptoms are most acute during the first 20-48 hours, but they may persist for as long as 7 days. Caffeine withdrawal even after moderate chronic intake may be associated with headache, nausea, nervousness, reduced alertness and depressed mood. Symptoms are most acute in the first 20-48 hours but they may persist for as long as seven days. These 10 facts about space will blow your mind. The symptoms of caffeine intoxication can be easily confused with symptoms of mental disorders, such as anxiety. There generally are 12 symptoms of the condition, including restlessness, nervousness, excitement, insomnia, confusion and excessive energy. Profuse sweating might also accompany intoxication with caffeine. If very high doses — more than 10 grams — of caffeine are taken, a person might experience seizures, respiratory failure and ultimately, death. Milder forms of caffeine overdose normally will subside within four to six hours. Sources of caffeine include preparations sold to assist in fitness and sporting performance, energy drinks, soft drinks, various medicines, herbal tonics containing guarana, as well as coffee, tea and chocolate. Caffeine overdose can cause nausea, diarrhoea, light-headedness and urinary frequency. Caffeine withdrawal even after moderate chronic intake may be associated with headache, nausea, nervousness, reduced alertness and depressed mood. Symptoms are most acute in the first 20-48 hours but they may persist for as long as seven days. While excessive sweating is not a common side effect of caffeine use, people with a predisposition to hyperhidrosis might find that episodes of sweating are triggered by stimulants such as caffeine. Caffeine, Anxiety and Sweating. People with anxiety disorder or panic disorder can be particularly affected by the stimulating effects of caffeine because anxiety is directly related to the nervous system. There can be many common symptoms that indicate too much caffeine consumption, but these are the most prevalent. These symptoms should be recognized and further caffeine intake should be stopped to avoid more serious and even life-threatening symptoms. Ingesting massive doses of caffeine all at once is particularly dangerous as it doesn’t give your body time to react. Overdose symptoms serve as an early warning system. Caffeine’s major effects are experienced for at least 4 hours. 1  This is longer for those sensitive to caffeine. 2  This is longer with extremely large doses. 3  This is based on the half life of caffeine which is 4-6 hours.
http://www.caffeineinformer.com/caffeine-overdose-facts-and-fiction http://www.healthline.com/health/caffeine-overdose http://www.healthline.com/health/caffeine-overdose http://symptomchecker.webmd.com/multiple-symptoms?symptoms=excessive-sweating%7Cpalpitations-(fluttering-in-chest)&symptomids=228%7C175&locations=66%7C14 http://www.wisegeekhealth.com/what-are-the-symptoms-of-caffeine-intoxication.htm http://www.medsafe.govt.nz/profs/PUarticles/caffeine.htm http://www.wisegeekhealth.com/what-are-the-symptoms-of-caffeine-intoxication.htm http://www.medsafe.govt.nz/profs/PUarticles/caffeine.htm http://www.livestrong.com/article/538154-can-caffeine-make-you-sweat-uncontrollably/ http://www.caffeineinformer.com/caffeine-overdose-facts-and-fiction
symptoms caffeine overdose sweating