What is Phentermine?

I received a question via email a few days ago asking what Phentermine is. I thought I’d post my reply here so all the readers can benefit from the information. Phentermine is an increasingly popular appetite suppressant utilized by dieters that are attempting to lose weight. Phentermine is labeled as being in the phenthylamine and amphetamine class.

Phentermine has been approved to suppress appetite for the purpose of weight loss in extremely obese patients. It is typically prescribed short term and in the agreement that it will be used in close conjunction with a proper diet, exercise program, and positive behavioral modification.

Phentermine works well when used correctly and for a limited period of time. However it is certainly not without its side effects. Though phentermine is generally well-tolerated, the side effects it produces are generally related to elevated blood pressure, an increase in heart rate, and nervousness – symptoms commonly attributed to most stimulants. Phentermine acts through sympathiomimetic processes; basically, meaning that it mimics the hormone and neurotransmitter norepinephrine. This means that its most common side effects are associated with the heart and proper cardiovascular function: increased blood pressure, increased heart rate, and palpitations.

More common symptoms of phentermine include insomnia, a lack of a sense of well-being, nervousness, irritability, and anxiety. Less common or even rare symptoms of phentermine can include an unpleasant taste in the mouth, blurred vision, unexpected tiredness, a significant change in sexual desire, sharp stomach pains, sudden clumsiness, skin rashes or just itching, diarrhea, mild psychosis, dizzy spells, nausea, dry mouth, headaches, and irregular heartbeat.

Symptoms of a possible overdose of phentermine can include a sudden but of tired or weakness, confusion, sharp stomach cramps, seizures, convulsions, nausea and vomiting, fast breathing, dizziness, hallucinations, fever, uncontrollable shaking, fainting, depression, and a sudden, uncontrollable feeling of hostility.

Drugs that can be affected or affect phentermine can either exacerbate side effects or dull them dangerously so that the person is unaware that they have a problem. Medications that should be avoided when taking phentermine include, blood pressure medications, specifically ones to treat high blood pressure, diabetes medication and particularly insulin, and certain anti-depressants such as amitriptyline (Elavil, Etrafon), amoxapine (Ascendin), clomipramine (Anafranil), desipramine (Norpramin), doxepin (Sinequan), imipramine (Janimine, Tofranil), nortriptyline (Pamelor), protriptyline (Vivactil), or trimipramine (Surmontil).

Patients being prescribed phentermine should always heed their physician’s advice to the letter to ensure that they do not create an environment that would cause an adverse reaction to the drug. And one last thing, don’t try and buy it over the internet! Yes, I get the Phentermine SPAM emails all the time too.

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