Adipex-P

(phentermine)

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Helps you lose weight.

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Our bottom line

Adipex-P (phentermine) is not a first choice medicine for weight loss because it is associated with an increased risk for side effects and abuse potential. However, it can be used as a short-term treatment option if other similar medicines don't work.

Quick facts about Adipex-P
  • Drug class: Gastrointestinal
  • Rx status: Prescription only
  • Generic status: Lower-cost generic available (phentermine)
Prices and discounts
Lowest price for 30 37.5mg tablets
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$10.76

Upsides

  • Adipex-P (phentermine) is effective at lowering appetite and helping with weight loss.
  • Available in generic form, which is more affordable.
  • You only need to take it for a short period of time.
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Downsides

  • Most insurance companies don't cover the cost of Adipex-P (phentermine), so you may have to pay out-of-pocket for it.
  • Adipex-P (phentermine) is only safe to be used for up to 12 weeks at a time and isn't for long-term treatment.
  • Adipex-P (phentermine) can be habit-forming and addictive so your doctor will have you use the lowest dose possible.
  • Not appropriate for people with high blood pressure and hyperthyroidism.
  • People age 65 or older are at a higher risk for experiencing side effects while using Adipex-P (phentermine).
Prices and discounts
Lowest price for 30 37.5mg tablets
Determining your location...
$10.76
How it works

Adipex-P (phentermine) is a stimulant medicine that works in your brain to lessen your appetite and help you lose weight.

Quick facts about Adipex-P
  • Drug class: Gastrointestinal
  • Rx status: Prescription only
  • Generic status: Lower-cost generic available (phentermine)

Used for

  • Obesity (short-term add-on treatment)

Dosage forms

  • Pill
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What to expect when you take Adipex-P (phentermine) for Obesity

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Side effect rates for Adipex-P (phentermine)

Risks and Warnings for Adipex-P (phentermine)

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  • Adipex-P (phentermine) can increase the blood pressure in your lungs, which can be very dangerous to your health since it can cause blood clots to form. Tell your doctor right away if you have trouble breathing, chest pain, swelling in your legs, or a lowered ability in how much you can normally exercise.

Common concerns from people taking Adipex-P (phentermine)

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Alcohol
  • Don't drink alcohol while you are on this medicine because it can make the side effects worse.
Food
  • Take Adipex-P (phentermine) in the morning before breakfast or 1 to 2 hours after breakfast.