Diet pills help you to lose weight without having to go through extensive exercising and dieting. Most of the bad effects of using diet pills come from using them for long periods. Doctors always prescribe diet pills for no longer than six months consecutively. The other bad effects would come from using cheap untested or unregulated diet pills. According to the FDA, the main ingredient in a majority of the diet pills on the market today responsible for bad effects is Sibutramine hydrochloride. The bad effects of using diet pills for too long are heart attack and cardiac arrest, convulsions or seizures and arrhythmia.
Heart Attack and Cardiac Arrest
Heart attack and cardiac arrest are among the bad effects of diet pills, according to the Discovery Health Organization. Sibutramine, a main ingredient in diet pills, has the effect of stimulating the sympathetic nervous system. This has the effect of raising blood pressure. The heart rate is also increased at the same time. The risk of heart attack or cardiac arrest is therefore significantly increased. This is more so in people who already have high blood pressure or some form of heart disease.
Convulsions and Seizures
The University of Maryland Medical Center lists convulsions and seizures as bad effects of using diet pills. The stimulating effects of the sibutramine on the sympathetic nervous system greatly affect the brain's activities. The National Institute of Neurological Disorders and Stroke describes convulsions and seizures as symptoms of abnormal electrical activity in the brain.
Arrhythmia
One of the bad effects of using diet pills, according to MedlinePlus, is arrhythmia. The arrhythmia in people using diet pills can once again be traced to the effects of sibutramine. Sibutramine stimulates the sympathetic nervous system, which in turn dictates the beating of the heart. The stimulus from the sibutramine on the sympathetic nervous system throws the regular heart beat out of rhythm. The heart beat will usually begin to beat faster than usual, but in some cases may also beat slower than it is meant to.
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