Is Phentermine Speed? (would that hold the case for amphetamines?)

  • By: jacob foxx
  • Date: April 17, 2023
Is Phentermine Speed?

Phentermine has been under scrutiny due to its addiction potential, leading to confusion about its classification as a speed drug.

However, it is important to note that not all stimulant drugs, or ‘uppers’ are classified as speed drugs.

While phentermine and speed drugs do have the same mechanism of action, they differ in the magnitude of stimulation and the potential for abuse.

As a professional, it is vital to understand the safety and efficacy of phentermine before considering prescribing it.

By delving deeper into the research, one can gain a better understanding of the drug and its potential benefits for patients in need.

What drug class is phentermine?

The FDA has approved the prescription drug phentermine for use in helping patients with co-morbidities lose weight temporarily.

This drug is chemically and pharmacologically linked to amphetamines, but it is not a speed drug, which has a high potential for abuse and withdrawal symptoms.

The DEA has classified a variety of stimulants, including some amphetamines like methamphetamine or Adderall, as Schedule II drugs.

Therefore, obtaining phentermine requires a doctor’s prescription. As a CNS stimulant, phentermine helps to suppress appetite and increase energy, without the addiction potential of speed drugs.

Phentermine has garnered attention due to its classification as a Schedule IV controlled substance, indicating its low potential for abuse.

A notable feature separating phentermine from common speed drugs like amphetamines, methylphenidate, and cocaine is the way it interacts with the brain.

Rather than acting by increasing dopamine and norepinephrine, phentermine primarily curbs appetite as a weight loss aid.

While speed drugs are associated with side effects like anxiety, insomnia, and irregular heartbeat, phentermine’s clinical trials have not found it to lead to withdrawal symptoms when used long-term.

The unique nature of phentermine highlights how careful consideration must be taken when it comes to substances with the propensity to alter brain function.

Does phentermine make you feel energized?

Phentermine has been used for decades to suppress appetite and promote weight loss, but its exact mechanism of action has remained somewhat mysterious.

Recent research has shed light on the ways in which this drug works to increase energy levels and trigger fat burning.

By targeting the central and peripheral mechanisms that control hunger and energy balance, phentermine has a powerful effect on the body’s fight-or-flight response.

This response leads to the release of adrenaline, which in turn helps to burn fat, produce glucose for energy, and increase blood flow to muscles.

As a result, many users report feeling a sustained buzz after taking phentermine, which can last for up to 15 hours.

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Is phentermine considered a stimulant?

According to the FDA’s classification, phentermine is a sympathomimetic amine, which means it acts as a stimulant substance that activates the sympathetic nervous system.

One of the notable effects of this drug is its ability to suppress appetite and promote weight loss in obese individuals by acting on the central nervous system.

Phentermine has become a popular option for those struggling with weight loss, but it should be used under the guidance of a healthcare professional to ensure its safe and effective use.

Overall, its classification as a sympathomimetic amine highlights its unique properties and mechanisms of action in promoting weight loss.

Does phentermine make you full faster?

Phentermine is a popular medication that is commonly used for weight loss. One of the benefits of taking this medication is that it can lower the satisfaction threshold, allowing one to feel full faster and for a longer period of time.

This is especially helpful for those who struggle with regulating their appetite and portion sizes. By preventing overeating, phentermine can be a significant roadblock to successful weight loss.

While the medication should be taken only under the guidance of a healthcare provider, its ability to help curb overeating can make it a valuable tool in the quest for a healthier lifestyle.

Phentermine vs Adderall

Phentermine and Adderall are two commonly used stimulants that are notably different in their functionality.

While both drugs are used to stimulate the nervous system, Adderall is classified as a speed drug, while Phentermine is not.

This classification difference might come as a surprise to many, considering their overlapping indications and the fact that they belong to the same medication family.

Consequently, the comparison between these two drugs remains a fascinating subject of study.

Reading more about these drugs’ performance, indications, and side effects is an excellent way to gain a better understanding of how they differ and how they can impact our health.

Key Differences between Phentermine and Adderall

When it comes to managing weight and enhancing focus, Phentermine and Adderall are two commonly prescribed drugs with notable differences.

Firstly, Phentermine is not categorized as an amphetamine drug like Adderall, despite both being stimulants.

Secondly, Phentermine is utilized mainly for weight loss and obesity treatment, while Adderall is prescribed for attention deficit hyperactivity disorder (ADHD).

Furthermore, Phentermine is classified as a Schedule II stimulant, indicating a higher potential for abuse than a Schedule IV stimulant like Adderall.

These distinctions highlight how each medication affects the body differently and requires careful consideration before use.

Before and after taking phentermine

Phentermine has garnered attention among Reddit users for its promising results.

Many have reported significant weight loss while taking it, including AveryAlmintoser who went from 280 pounds to 190.

However, one common setback reported was the return of appetite once the medication was discontinued, leading to weight gain.

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Sadly, AveryAlmintoser Almintoser gained 10 pounds in just one year after stopping her course of phentermine.

Two users, ‘Gmmiller’ and ‘Riverfaile’, both experienced significant weight loss while taking phentermine and making only minimal changes to their diet and exercise routine.

Gmmiller reported losing 30 pounds over the course of a year, while Riverfaile achieved the same results in just over 3 months.

Another user, Iaimtolose, echoed the same sentiment regarding the immediate weight loss benefits of phentermine but stressed that continued management of healthy habits is necessary for long-term success.

However, it should be noted that most users reported regaining lost weight once phentermine was discontinued.

Despite the potential for gaining weight, these individuals’ experiences serve as inspiration for those seeking to kickstart their weight loss journey with the help of medical intervention.


Phentermine is a commonly misunderstood drug, often labeled as a “speed” or “amphetamine” due to its appetite-suppressing effects.

However, it is essential to note that phentermine is not classified as a stimulant and should not be used recreationally.

While long-term usage may result in the development of tolerance, users do not typically report increased dependence or withdrawal symptoms.

However, it is crucial to understand that the weight loss benefits are not sustainable, and hunger pangs will likely return upon discontinuation.

Therefore, it is crucial to use phentermine in accordance with a doctor’s instructions to ensure its efficacy and safety.

I'm Jacob Foxx, a proud native of the outskirts of Chicago, Illinois. I was enamored with the expansive Star Trek universe and its promise of cutting-edge technology and space travel from a young age. This early fascination with science fiction sparked my imagination and laid the foundation for my writing career. Alongside my love for the cosmos, I developed a passion for fitness in my formative years.

This dual interest in the world of tomorrow and the pursuit of physical health has greatly informed my writing, allowing me to explore themes of human potential and the future of our species. As an author, I strive to blend these passions into compelling narratives that inspire readers to dream and to push their own boundaries.

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