A lot of people know that caffeine can nowadays be found in several beverages like coffee, specific teas and sodas. Caffeine is a stimulant. Apart from these beverages, a person can purchase caffeine in the form of tablets which can be bought in almost every drug store over the counter. Even though people usually do not have any problems with caffeine, there are some side effects which can be quite serious in some situations.
One of the most common problems caused by caffeine consumption is irritation of the gastrointestinal system. A person who takes too much caffeine in whichever form is bound to have such problems like vomiting and nausea. Diarrhea is also possible and a lot of people can have problems with it as well. However, a person need not worry too much since these side effects are not permanent. They will go away once the caffeine exits the system.
Since caffeine is a stimulant, it increases the activity in the central nervous system. Men who take caffeine often have the feeling of heightened energy and concentration. However, a person who takes too much of it may feel “jittery” and experience muscle tremors. Caffeinism is a condition that may occur as well if a person intakes too much caffeine. A person in this condition may suffer from anxiety, restlessness and even have problems with sleeping. If a person already has problems with anxiety or panic attacks, he will only make the situation worse by taking caffeine. Depression occurs when a person chronically intakes large quantities of caffeine. Some of the other disorders that may occur when a person overuses caffeine are confusion, convulsion, hallucinations and even problems with breathing.
A lot of people are not aware that caffeine plays a role of a diuretic which significantly heightens the production of urine in humans. A person who urinates a lot may experience a short decrease of body weight. However, a person should not worry too much since it is not permanent and will be restored once the fluid balance is set right again. Too much urine output can result in dehydration in some cases. In rare cases a person may even feel fatigued and dizzy.Cardiovascular
Just two or three cups of coffee will significantly raise the systolic and diastolic blood pressures. A person who intakes huge quantities of caffeine is likely to suffer from tachycardia and a higher stroke volume.
Another common side effect of overuse of caffeine is nervousness. Unlike women, men are more sensitive to caffeine according to some researches. A person who intakes too much of this stimulant may not be able to think clearly. There is also a possible danger of caffeine addiction.