The Positive and Negative Aspects of Phentermine

Positive Aspects

  • Phentermine is one of the most effective types of appetite suppressant on the market
  • Phentermine helps individuals to lose weight in a short period of time
  • When used in conjunction with proper diet and exercise, Phentermine also helps to keep the body in shape by trimming the muscles
  • Phentermine can be used for long-term weight loss. Studies have shown that patients using this diet medication have been able to maintain their healthy weight for two years
  • Phentermine is both safe and effective, having been clinically tested and researched
Phentermine is a trusted appetite suppressant

Phentermine’s success as a weight loss medication is due in part to it long history as an effective appetite suppressant. But Phentermine is also much less expensive than other prescription diet medications.

The greatest advantages of using Phentermine are most evident in those patients who suffer from severe obesity, as well as those who cannot achieve a healthy weight despite having adopted a lifestyle which includes a healthy diet and regular exercise.

Negative Aspects

Despite the fact that Phentermine has shown to be highly effective in the treatment of obesity and general weight loss issues, it does have some disadvantages.

  • Firstly, Phentermine is only available via prescription, so it can be difficult to obtain this medication without having first consulted with a physician.
  • Patients taking Phentermine may experience a number of side effects, including insomnia.
  • As well, Phentermine is a weight loss medication designed primarily for the severely obese, and so risks can increase in non-obese patients who take this medication.
  • Two major disadvantages to taking Phentermine are allergic reaction and side effects.

Allergic Reactions

Some allergic reactions which have occurred as a result of taking Phentermine include headache, high blood pressure, difficulty breathing (especially in asthmatic patients), swelling, vision problems, blood clotting, rash and arrhythmia (abnormal heart beat).

Patients who experience any or all of these side effects while taking Phentermine should discontinue the medication immediately and consult a physician.

Side Effects

Within the first few days of taking Phentermine, patients may experience the following: dry mouth, nervousness, irritability, fatigue and drowsiness. However, these side effects are short-lived and will usually disappear once the body has adjusted to the medication.


Patients who experience the above symptoms for a prolonged period of time or find that they become bothersome should consult with a physician before continuing to take Phentermine.


Other side effects of Phentermine include depression, agitation and elevated blood pressure.


Because Phentermine can be habit-forming, patients who stop taking the medication may experience withdrawal symptoms. It is important to consult with a physician if you’ve stopped taking Phentermine and are experiencing withdrawal.


We recommend you still discuss with your doctor all the positive and negative effects, Phentermine can cause your personally before starting Phentermine course.