Thursday, March 24, 2011

Weight loss drugs-pros and cones

Weight gain is a very widespread dilemma experienced by majority of people now-a-days. Due to this, the market has become full of different sorts of medications in this regard. Nonetheless you must at all times maintain one item in brain i.e. the drug that you are going to consume is good for your physical fitness or not. Basically the target of these medicines is to effect the BMI i.e. body mass index of every human being. This body mass index of every individual is measured by keeping the height of the person within consideration. If this BMI is far greater as compared to the height, then it can cause many additional problems like diabetes, blood pressure, cholesterol, etc. There is an additional related to weight loss i.e. people should only use these drugs if their body weight is above average. Having an average body weight is a normal condition and trying to loss this average amount can be more devastating than beneficial.

In addition to having medicines, healthy diet and regular exercise can also be very advantageous in reducing the body weight. Two most famous drugs prescribed by general practitioners in regard to lose weight are called Alli and Xenical. Researchers have conducted extensive researches on the after effects of these two medicines and it has been reported that liver problems were related to the consumption of these drugs. Therefore it is necessary that you talk with your physician prior to using these drugs.

The main component of these drugs is known as Orlistat which is basically lipase inhibitor. This component works to lower down the absorption of fats by the human body. In this way, the consumption of calories into the body is also lessened. However there is one problem with this component that it also lessens the assimilation of the fat soluble vitamins similar to Vitamin E, A, K and D. furthermore, there are certain important after effects of this component like pain in the abdominal region, diarrhea, indigestion, and problematic bowel movements. If only these after effects then the case is not too worse. However if signs of liver problems are also evident, then the situation has worsen a lot.

Hormones are also connected with the loss of hunger in human body. Therefore most of the drugs act on the activity and levels of hunger controlling hormones. For instance, epinephrine plays a very critical role in this context and phentermine is the drug that affects the activity of this hormone to lower down the desire of food intake. The effects of using this drug include nausea, diarrhea, headaches, constipation, etc. Similarly, serotonin is also involved in the process of controlling hunger. In this regard, the effective medicines are dexfenfluramine, fenfluramine and pondimin. There is one drug that works on both epinephrine and serotonin and is known as sibutramine. Its excessive utilization can result in elevated blood pressure, constipation, dryness of mouth and insomnia.

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