Phentermine is a drug that belongs to the group of anorectics and is indicated for weight loss in people with obesity problems. It is a drug similar to amphetamines, it is approved by the FDA and its use spread massively from the 60’s. Phentermine, like all anorectics, has a mechanism of action that is exerted at the central level. This means that it acts on the brain with the purpose of generating a release of noradrenaline and dopamine: two neurotransmitters that when they present high values ​​there is a suppression of the appetite in the organism. In turn it also acts on a group of neurotransmitters allowing to affect high levels of anxiety. Some evidence has also indicated that phentermine can act by stimulating the central nervous system and causing an increase in blood pressure.

Phentermine has a long history in the market and is currently the most widely used drug in the United States by people who need to decrease their weight considerably. If you suffer from obesity problems you can buy phentermine online under the presentation of tablets that come in doses of 15 mg and 30 mg. However, it is important to note that treatment with this drug should be initiated after having tried to regain weight through a meticulously planned diet and physical activity. Even when you take phentermine, you should do it as part of a comprehensive treatment that also includes other aspects: a balanced diet from a rigorously developed program with the doctor, establish a plan for physical exercise and in turn focus strategies to lower levels of anxiety. It is also important to warn the reader that phentermine is indicated as a treatment for obesity but should not be extended for long periods of time. Its use is recommended for a few weeks.




According to the extensive number of clinical studies developed so far, standard doses have been established for the treatment of exogenous obesity to be carried out in combination with diet. For adults, it has been established that the average dose to achieve the desired effects of phentermine is one tablet of 30 mg. Most doctors recommend their patients to take phentermine, after an hour since the breakfast intake. The reason for this criterion is that it facilitates the control of appetite. In turn, specialists often advise not to take this medication near the night or in the late afternoon, as there is a possibility that it can cause insomnia. This criterion is based on the fact that phentermine begins to act approximately at 5 hours after its ingestion. When you take a 30 mg dose of phentermine the hunger suppressing effect is expected to last for about 12 or 14 hours. On the other hand, this drug is not recommended for children under 12 years.

Whenever we start treatment with a drug is essential that we know the possible adverse reactions that can generate to avoid worry. Between the major unwanted effects of this medication can be mentioned certain levels of agitation as well as an increase in pressure. The use of phentermine can also bring about some dizziness, tremors and insomnia. Some cases of rash have been reported but are uncommon as are cases of diarrhea. Other minor effects are dry mouth and constipation. Finally, it should be mentioned that there have been some experiences in which there were minimal alterations in the libido.


Other precautions that should be taken into account relate to the interactions of phentermine with other medications. There are some medications that should be avoided if you are being treated with this anorectic, as more serious side effects may occur than those described above. These drugs include duloxetine, procarbazine, venlafaxine, pseudoephedrine, and sibutramine.

There are some contraindications that also acquire relevance as they constitute necessary information for those who are about to take this suppressor of appetite. Those who suffer from arteriosclerosis, hypertension, endocrine diseases such as hyperthyroidism or glaucoma should refrain from taking phentermine. In turn, it is contraindicated in people who have traveled through situations of problematic use or drug abuse since there is a potential possibility of generating addiction. Pregnant or breastfeeding women should not take this medication either.

People who buy phentermine develop drug tolerance shortly after they start taking it: approximately this is thought to happen after two weeks. In these cases, unlike other drugs, the dose should not be increased, but the indication is to stop taking the medication. This should be done gradually, because if you stop taking phentermine suddenly you may experience severe depressive conditions.




To finish the article we must give an account of the real problem that obesity represents worldwide and mainly in the United States. Particularly in this country, it is a disease that suffers about 40% of the population. This means that of 10 American adults, 4 are obese. These data come from a recent survey conducted by the National Center for Health Statistics in the United States. The document describes that obesity mostly affects people who are between 40 and 59 years old than those who are in the range from 20 years to 39 years. It is also higher among women (41.5% on average) than men (38% on average), although the results of the study conclude that there is no substantial difference between the sexes.

The severity of obesity, according to experts, is that it is highly associated with other diseases with higher risk of death such as cardiovascular disease, diabetes and some types of cancer. The document to which we refer indicates that since the end of the 90’s, obesity has experienced a steady increase and reached its maximum numbers during the period 2015-2016. Many doctors regard it as the epidemic of this century along with diabetes.

The situation is not more encouraging if you analyze what happens with the child population. Research published recently in the prestigious The Lancet reports that there are 124 million children with overweight problems worldwide. The study was done on children and adolescents between 5 and 19 years and the outstanding data indicated that in the last 40 years, obesity multiplied by 10 in this population.





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