Phentermine Is Generic Adipex


generic phentermine

If you have ever searched for diet drugs online, you will likely have come across a vast array of products and have probably felt overwhelmed by the selection, as well as by all of the information that can be found on the subject. It’s easy to find the task of choosing the right weight loss pills daunting, especially when you discover some medications are exactly the same. For instance, Phentermine is the generic form of Adipex.

Yes, Phentermine Is Generic Adipex!

It may seem strange that the same weight management drug can be sold under different names, but the reason this occurs is simply because there are brand name drugs and generic drugs. Let’s take a look at Adipex vs Phentermine and what this means for you.

What’s the difference?

  • A branded drug is patent protected and has a trade name. In other words, it is only allowed to be created and sold by the company who owns the patent.
  • A drug that is considered generic, on the other hand, is simply an unbranded copy of the medicine sold under a different name.

Hence, Adipex (or Adipex-P) is the brand name, and Phentermine is the generic version (a.k.a. generic Adipex).

More About Generic Prescription Drugs

In order for generics to legally exist, a patent needs to expire and the FDA must approve of the product.

Certain requirements must be met in order to meet approval, such as the generic formula needs to be chemically identical or bioequivalent to the brand name formula in terms of safety, quality, dosage, intended use, etc. An identical formulation is one that contains the exact same active and inactive ingredients. Bioequivalent, however, means that the active ingredient(s) are the same but some or all of the inactive ones are different.

Depending on who manufactures Phentermine, the product may be a bioequivalent formula of Adipex. Thus, while both weight control aids contain the same active ingredient, 37.5 mg of Phentermine hydrochloride, they may have different inactive substances. In addition, although these drugs will produce the same results and are used for the same purpose, the pills of each may differ in taste but will always differ in appearance.

Should You Take Adipex or Generic Adipex?

Since Phentermine and its brand-name equivalents are stimulants that suppress the appetite and are often recommended for the treatment of obesity in individuals with certain high risk health problems, such as diabetes and high blood pressure, you may wonder if it matters which one you choose.

In most cases, it likely won’t matter, but two reasons why a person may pick one product over another could be:

  1. Allergies to specific inactive ingredients
  2. Cost

That said, if you’re uncertain, your doctor can help you determine what the best choice of Phentermine is for you. And, if Adipex or generic Adipex aren’t appropriate for you, your doctor can discuss other options, such as other prescription diet pills or diet pills that you can buy over the counter, that you can try instead.

The Side Effects of Generic Adipex 

Just because Phentermine is generic Adipex does not mean that it will not carry the potential of causing side effects. In fact, according to, the following are considered some of the possible side effects of Phentermine:

  • Dry mouth
  • Unpleasant taste
  • Constipation
  • Welts or hives
  • Skin rash
  • Itching
  • Redness
  • Fast or irregular heartbeat
  • Dizziness
  • Headache
  • Fainting
  • Trembling
  • Weakness
  • Trouble breathing, thinking, walking, or speaking
  • Swelling of the lower legs or feet
  • Tingling or numbness of the feet, legs, arms, or hands
  • Chest pain
  • Decrease in sex drive or sexual ability

Talking to your doctor about the risk of side effects is key. He or she will be able to tell you whether the benefits of taking Phentermine outweigh the risk of the side effects occurring. Plus, your doctor will discuss dosage instructions with you in order to help you avoid becoming dependent on these pills, so following his or her directions closely is absolutely necessary.

Phentermine Might Be Right for You – Talk to Your Doctor 

In the end, only your doctor can prescribe Phentermine, which is generic Adipex, to you after evaluating your health and your weight loss needs carefully, but you also need to weigh the pros and cons associated with these pills before you decide if they are right for you. However, if you and your doctor determine that Phentermine is not the most appropriate choice after all, rest assured that there are many other prescription diet products, as well as weight management supplements that you can purchase over the counter, which you can try instead.

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