Get informed: Adipex-P

Safety/Interactions Indications Side Effects
Facts & Figures Effectiveness Discussion
MEDICATION SAFETY CHECK

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The average iGuard risk rating for Adipex-P is ORANGE mostly because Adipex-P has been associated with high rates of dependence, and should be managed carefully. It means that Adipex-P should normally be used cautiously to minimize the risk of serious side effects.

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Why do patients use Adipex-P?

iGuard.org is currently tracking more than 4,730 patients that use Adipex-P (or similar drugs with the same active ingredient(s)). Use the table below to learn why iGuard users take this product; click on any underlined condition to get information on other medications used for treatment.
DISEASE / CONDITION % AVERAGE SEVERITY
OBESITY
100%

How well does Adipex-P work?

iGuard.org regularly asks patients taking Adipex-P to provide feedback on: disease/condition treated, effectiveness/satisfaction, side effects, and information they wish they knew prior to starting the medication. This feedback is continuously updated for the benefit of other members of the iGuard community.
Average Satisfaction Score
(out of 10)
70 %
Average Effectiveness Score
(out of 10)
68 %
88%   of patients are confident that the good things about Adipex-P outweigh the bad things.


What do iGuard.org users wish they were told before starting this product?
14%
% patients who wished they learned more before starting
14% of patients taking AdipexP wish they were told more about this product before they started it.

TOP THINGS PATIENTS WISHED THEY KNEW...
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ABOUT Adipex-P
Active Drug(s): Phentermine
WHAT DOES IT DO?
This product is used for short term treatment of obesity through weight loss. Its mechanism of action is unknown, but it stimulates the Central Nervous System.
photo
VIEW: US Prescribing Info
VIEW: Wikipedia Content

HOW SAFE IS IT?
Your Risk Rating: PLEASE LOG IN
Average Risk Rating (ELEVATED)
Pregnancy Category C
Black Box Warning No

FACTS & FIGURES
Date Approved 4 May 1959
Generic Available YES
OTC Available NO


What side-effects do iGuard.org users commonly report for Adipex-P?

50%

50% of patients experience side-effects on Adipex-P


0%

< 1% of patients experience SIGNIFICANT side-effects on Adipex-P


MOST COMMON SIDE EFFECTS...
DRY MOUTH
INSOMNIA
RESTLESSNESS
SWEATING
HEADACHE
PALPITATIONS
MOOD SWINGS
NAUSEA
= 10%

Drug Comments for Adipex-P (Phentermine)

Comments, Questions, and Answers Show Newest | Oldest First 

Question/Comment:

Could one side effect of phentermine one 37.5 tablet bid causing excess sweating?

58 year old male
Posted: 2009-01-04 13:25:31     Rating: Star Star Star Star Star

Question/Comment:

I got a notice saying my Phentermine and Zoloft are not good together but I can't find out why. Does anyone know? Thanks!

31 year old female
Posted: 2008-12-27 15:41:17     Rating: Star Star Star Star Star

Question/Comment:

I've been on phentermine off and on for about 9 mths now. I have lost about 45 lbs, even though during those months I went off of it a few times... once for a full month, a couple other times for a couple weeks or few days, etc. Part of that success is due to low-carb eating and occasional exercise, but the phentermine definitely helped! I have dieted (successfully and not) in the past and know myself well enough as far as how I feel and what results I get from low-fat or low-carb dieting. The phentermine greatly reduces my appetite and when I do get hungry, it helps me to feel fuller with much less food. It's a lot easier to resist foods that I should avoid when I have this in my system because I really don't crave certain types of foods or flavors. If I do let myself overeat (which has only happened a handful of times since I've been on it - something that used to occur on a pretty regular basis!) I feel so uncomfortably stuffed that I have absolutely no desire to eat for a long time afterward, which in most cases can help to balance out the extra calories (for example, I overate a lot of goodies at a work holiday function around lunchtime one day, and then didn't have the inclination to eat a bite until late the following morning - previously in that situation I would have still been hungry for dinner that evening and perhaps even a snack later after that). My doctor has me come in to be monitored every month or two since I've been on it just to make sure it's still working and I'm not having any negative side effects. She checks my blood pressure and asks if I've had any chest pains or odd feelings, etc. So far, I have not felt anything like that, although my last visit my BP was slightly elevated and she seemed a tad concerned. But I'd just returned from a vacation and am thinking perhaps that I ate a lot of salty and rich foods that I normally don't, not to mention I got married so there has been lots of planning stress - I really don't think the phentermine is to blame, but I suppose we'll see. She has hinted that she might stop prescribing it for me in the next month or two to see how I do on my own. I am a bit nervous about that but do feel that the "boost" it's given me has been extremely beneficial not only to my health but my motivation to keep me interested in continuing to watch what I eat and realize the amounts of food that should be plenty to satisfy my hunger while helping me to lose weight at a slow, steady pace. I do notice dry mouth sometimes as a mild side effect, however I look at it as a bonus because it encourages me to drink more water, which is of course healthy and can help out with weight loss as well! I did feel a bit jittery and had a hard time falling asleep when I very first started taking it, but that only lasted about 2-3 days and then I suppose I got adjusted to it because from then on I was fine. No problems sleeping (I take it early in the morning when I first wake up, though, so that helps I think) and I do notice a bit more energy overall but in a very positive way, and it could also just be due to carrying less fat around on my body!

30 year old female
Posted: 2008-12-21 13:42:18     Rating: Star Star Star Star Star

Question/Comment:

I am a 34 yo female, weighed 215 lbs. This will be my 3rd month being on Adipex. On the first month, I lost 15 lbs and on my second month, another 10 lbs. I have not changed my diet nor exercised. I do not feel jittery or have any extra energy that I've noticed, but I do not have to take a nap anymore. Mt side-affects are dry mouth, bad breath, and lack of sleep. I can fall asleep, but wake up after about 4 hours and I am no longer sleepy. On the weekends, if I do not lay in the bed, I can stay up until 3, 4, or 5 am and after 3 to 4 hours of sleep, I am good to go and do not feel tired, but not "energized" or restless. I do not crave certain food anymore and I just don't have the taste or the urge to want sweets. I still eat Chinese food, burgers, etc, but can hardly eat half. I used to have "hunger" attacks prior to Adipex, but now, I will have to remember to eat at lunchtime. I actually get full after eating half of a six inch subway sub. Since I HAVE lost the weight, I do see that I have to exercise to tighten my arms and breast. I am very happy with this med. :)

34 year old female
Posted: 2008-12-20 09:02:42     Rating: Star Star Star Star Star

Question/Comment:

What they look like?

41 year old female
Posted: 2008-12-17 23:58:06     Rating: Star Star Star Star Star

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Adipex-P can have many different drug interactions. Drug interactions of Adipex-P can vary depending upon other drugs and conditions in your health profile. A list of common drug interactions for Adipex-P can be found., Adipex-P side effects include a range of different complaints. Adipex-P has been associated with different side effects. Side effects of Adipex-P can vary with dose. This may the only place to learn about real world side effects of Adipex-P. Adipex-P safety are displayed on this page