Phentermine Prescribing Information

Phentermine is a strong appetite suppressing substance impacting brain. Its main indication (not including off-label use) is treating obesity and stimulating weight loss. Phentermine diet pills are not indicated for people with light overweight. These pills are only indicated for people who cannot control their appetite themself, excessively overlimit GDA (Guideline Daily Amounts) and do not work out.

Remember these pharmaceutical facts about Phentermine not to get confused!

Chemical name: Phenyl-tertiary-butylamine
Brand names: Ionamin, Phentrol, Metermine, Adipex, Adiphene, Duromine, etc.
Class: Amphetamines
Medication Class: Prescription only, Diet Pills, Controlled Substances
Available Dosages: 15 mg, 30 mg and 37.5 mg


When taken properly, on a regular basis, according to the doctor’s prescription (RX) and combined with low fat diet and working out, this diet drug will do miracle to patient’s health and shape. The main benefit of this obesity drug is essential weight loss. With Phentermine you can lose up to 15% of your body weight.

The final results depend on many factors. Also you will feel more energy to spend it on workout. Don’t forget that the energy is a result of drug’s effect. Additionally, Phentermine improves metabolism, an important life maintaining process.

Phentermine Side effects

PhenOnline gives us the exhaustive list of all possible Phentermine side effects that might occur during and/or after therapy. The most typical of them are dizziness, nausea, lack of sleep and headaches. If you are prepared for them, you may go on reading. Phentermine is not recommended for the pregnant or breast-feeding mothers.


It is available in three dosages: 15 mg, 30 mg and 37.5 mg. The strongest dosage is the most prescribed, but it requires more attention due to higher risks of adverse reactions. Sold in form of oral tablets or capsules only. No powders, injections, etc available!

Before You Start

Before you start taking any weight loss medication, you should first calculate your BMI (Body Mass Index). It is easy: multiply your mass (Lbs) with 703 (coefficient) and divide with your square height (Ins).

BMI = mass (lbs) x 703 / height (ins) 2 .

If your result is 30 or above, the problem of obesity and overweight is really serious for you. Talk to your health care provider about the problem. Your doctor should draw up a daily diet for you and tell what physical exercises to perform daily. Any without exceptions weight loss process is associated with proper nutrition and moderate physical load.

Phentermine Prescription (RX)

You won’t buy diet pills in your local drugstore unless you have a valid Prescription (RX). Your therapist should examine your general state of health (including presence or absence of cardiovascular, liver, kidney problems; blood pressure, etc) and decide whether benefits from taking diet drugs will outweigh the side effects and negative consequences. To tell the truth, Phentermine is not widely prescribed nowadays. There are many reasons why, but typically these are:

  • Patients who want to start taking diet pills have lots of other health and mental problems besides obesity and fat (generally, these are cardiovascular and diabetic conditions).
  • It belongs to psychotropic substances and is too dangerous to be taken.
  • Phentermine as a weight loss drug has lots of side effects (adverse reactions), that might lead to more dangerous consequences or death.
  • It is a controlled substance according to Law.

When the benefits outweigh potential risks and you are lucky enough, you will get your prescription. With this legal paper you may go to the drugstore and get the medication. But don’t flatter yourself! Phentermine is a younger brother of amphetamine, and it affects brain and nervous system, often negatively since it might lead to addiction. Therefore, it is a SHORT-TERM diet pill and should be taken no longer than for 12 months (typically, only for 7-8 months).

Make sure that all the course of medical treatment (don’t forget that obesity is a disease, and it should be treated as a disease) will be 100% supervised by your health care provider. This way you will increase and improve your weight loss.

Phentermine without Prescription

In 80% of cases an ordinary weight loser won’t get a prescription for Phentermine, and it is clear (see above) why. But this doesn’t mean that you will have to count on yourself only and remain alone with your problem.

If you are conscious about your weight loss goal and understand what you will have to face (all the potential risks), then you are half way to success. All the rest is a  matter of time. Don’t forget about the dieting and working out as well as charting the dropped pounds. All the results should be recorded to see how close the goal is. Don’t forget about the side effects this diet drug is associated with. If you are worried about them and/or experience any of them, better stop taking Phentermine for a while. You can go back to your weight losing a little later.

Additionally, if you have much spare time you may join online weight loss communities to discuss your obesity problem with the others.

Where to Buy Phentermine Pills?

No local drugstore will sell you Controlled Substances because it’s illegal. Phentermine Pills only available with doctor’s prescribe. However, you can buy supplement version or over-the-counter phentermine alternatives. They are secure, safe and fast. By the way, their prices are also affordable.

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