With Phentermine being such a popular weight loss aid, we have gotten a number or questions about the diet pill. See answers to the most frequently asked questions about one of the most effective weight loss pills.

1. Is Phentermine Available Over the Counter?
This diet pill is a prescription medication, which means that it can only be purchased if you have a prescription from your physician. Although there are generic Phen. alternatives available online, it is not advised to purchase it because it is strictly prohibited by the US government. Purchase of prescription pills online from unreliable stores can be very risky because you do not know whether it is the real thing or not.

2. Does Phentermine Contain Ephedra?
The only active ingredient found in it is Phentermine-hydrochloride.

3. What are the Potential Side Effects?
There are a lot of subtle side effects associated with Phentermine. The side effects are the following:

Gastrointestinal disturbances such as constipation and diarrhea
Dizziness and headache
Dry mouth and residual taste
High blood pressure
Changes in sex drive and impotence
Euphoria or dysphoria
Sleeplessness
Hives

If these side effects continue to bother you, then you should consult your physician about it.

4. Am I Suitable for Phentermine?
Phen is recommended for obese and overweight individuals. However, if there are any underlying medical conditions such as heart disease, hypertension, hyperthyroidism, glaucoma, and depression, intake of it is not advisable.

Prior to taking any medications such a diet pills, it would still be best to consult the physician.

5. What is Phentermine for?
It is an appetite suppressant that aids in losing weight.

6. How Long Does it Take to Work?
The appetite suppressing effects are only short-term because it only works upon intake of medication. However, because side effects usually vary from one individual to another, it is quite hard to conclude the exact time at which this pill works on the body. The most common length of time that it takes effect is 48 hours; however, there are some cases wherein Phen took action for as immediate as 12 hours.

7. Are There Over the Counter Alternatives to Phentermine?
Yes. There are a number of safe over-the-counter alternatives available. However, not all are created equal.

8. Are Phentermine and Phentramin-D the Same?
No, there are distinct differences in the two. The active ingredients in Phentramin-D are 1,3-dimethypentylamine hydrochloride and 1,3,7-trimethylxanthine which also causes appetite suppression but no associated side effects. Phentramin-D also doesn't have any addicting substance. On the other hand, the active ingredient in Phentermine is Phentermine-hydrochloride, which is developed in pharmaceutical laboratories which has been known to cause harsh side effects.