Although there are a plethora of weight loss drugs on the market, they are however mostly categorized as being whether prescription or non prescription based. The prescription weight loss drugs, also known as ethical drugs, are drugs which are authorized by the FDA and which will only be purchased from the approval of a doctor. Likewise, the many FDA approved prescription weight loss medications could be further classified in 2 different groups depending on the specific duration of theirs of use - i.e. being both long-term or short-. This article takes a look at the currently FDA approved short term weight loss medications and coincidentally, they all ever be appetite suppressing medications. Appetite suppressing medicines work by either reducing appetite or increasing the sensation of fullness. They usually focus on the fundamental idea of manipulating the hypothalamus - the appetite control center of the human brain - by increasing one or maybe more brain chemicals that modulate mood and appetite. The approved appetite suppressing medications belong to a group of drugs known as phenethylamines - somewhat similar to amphetamines. Amphetamines are any of a group of powerful stimulant drugs which act on the main nervous system and which typically causes increased amount of heart rate, blood pressure, alpilean reviews amazon (www.wishtv.com) and energy levels. Regardless of the fact that phenethylamines are chemically like amphetamines, they however have a significantly reduced incidence of the negative effects associated with amphetamines. The FDA-approved appetite suppressing medicines affect the central nervous system through several different active ingredients and modulation mechanisms. These appetite suppressing medications may be split into three major active component groups as follows:
Phentermine These are possibly the most popular short term prescription-based weight loss drugs now. Phentermine based appetite suppressants were first approved in 1959 and especially to be used for short-term treatment of obesity, normally not longer than six months. The main active ingredient used in Phentermine is Phentermine hydrochloride which in turn stimulates a group of neurotransmitters known as catecholamine like epinephrine (also also known as adrenaline), dopamine, and norepinephrine. Phentermine hydrochloride affects the central nervous system by triggering a "fight or maybe flight" state in the human body. This condition is usually found to result in the brain to not receive the hunger signals the stomach could be sending to it because of its concentration regarding how to respond to the immediate as well as more powerful need for power caused by the "fight or perhaps flight" signal.
An Overview Of The Short-Term FDA-Approved Weight Loss Drugs
Although there are a plethora of 
Phentermine
