User Reviews for Phentermine

Also known as: Adipex-P, Atti-Plex P, Fastin, Ionamin, Obenix, Obephen, Oby-Cap, Oby-Trim, Panshape M, Phentercot, Phentride, Pro-Fast HS, Pro-Fast SA, Pro-Fast SR, Suprenza, ...show all 19 brand names

The following information is NOT intended to endorse drugs or recommend therapy. While these reviews might be helpful, they are not a substitute for the expertise, skill, knowledge and judgement of healthcare practitioners in patient care.

Learn more about Phentermine.

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Condition DownUp Reviews Compare Avg. Ratings DownUp
Obesity 140 reviews 55 medications
   
9.2
Weight Loss 841 reviews 27 medications
   
9.1
Summary of Phentermine reviews 981 reviews 9.1

Reviews for Phentermine

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Review by Miss_Kay (taken for less than 1 month):

User Rating:  
   
10

For Weight Loss: I started Phentermine 37.5 along with B-12 shot on December 31, 2014 @ 294.6lbs as of January 23, 2015 I weigh 278.6 down 16lbs in 3 weeks. This is the truth. Highly recommend to whoever need that extra push to get summer time fine. Will update April 2015. Good Luck Everyone!

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January 24, 2015 11:43 PM

Review by yazmin chz:

User Rating:  
   
10

For Obesity: I have been taking this for 4 months and I have lost 30 pounds..It makes me not hungry and energy

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January 22, 2015 1:54 AM

Review by Royale (taken for less than 1 month):

User Rating:  
   
9.0

For Weight Loss: I have to start off with saying I'm so pumped up about losing this weight. I started taking phentermine Jan 17th with a starting weight of 199.1 and now two days later Jan 19th I weigh 195.2. I feel a little buzzy maybe an hour after I take it but tend to get hungrier at night. I'm going to start taking it later in the day so it can hold me over until the end of the day

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January 20, 2015 2:23 AM

Review by Blahkuhhh:

User Rating:  
   
10

Adipex-P (phentermine) for Weight Loss: I am 20 years old and I have always had problems with weight loss since I was in middle school. I went to the doctor and was prescribed Adipex. I have been on a low carb diet and I have been on Adipex for 9 days now and have lost 6 pounds so far. I am very happy with the results right now and I'm hoping to keep at it and try to reach my goal weight! I am 5'4 and before I started the diet I weighed in at 192lbs and so far I am down to 186lbs. My goal weight is 145 to 150lbs!

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January 15, 2015 12:55 PM

Review by Vegas Queen (taken for less than 1 month):

User Rating:  
   
10

For Weight Loss: This my second round with Phentermine. I tried it a couple of years ago and lost 20 pounds and have kept it off. I decided I needed to lose 20 more, so I'm back on it as of yesterday. I'm already down 2 pounds! My appetite is virtually gone! I feel really good and have so much energy! The only down side is insomnia, but I can live with that as long as I'm getting great results!

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January 14, 2015 1:35 PM

Review by hml1991:

User Rating:  
   
10

Adipex-P (phentermine) for Weight Loss: I would recommended this diet pill to anyone, it works great and the energy boost allows you to do your daily activities with no drained feeling after. I would advise a daily routine, sit ups, push ups, walking, etc. Of some type. I'm a mother of 2 boys, 4yr & 3 1\2 month old, my stomach has stretched a bit, I was on it after my first son and went from 176 and dropped to 125 and was only on it for 2months, the weight stayed off til my 2nd pregnancy, naturally I gained so I'm now on it again, but due to more stretching my muscles are weaker in my abdomen, if you rely solely on the pill you will loose weight and appear thinner but you will have saggy ecsess skin, you must tighten as you shrink. Chances increase due to rapid weight loss.

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January 10, 2015 4:36 PM

Review by JeepBeef_0775 (taken for less than 1 month):

User Rating:  
   
10

For Obesity: I started Phentermine, prescribed by my primary care physician, and it has been nothing short of amazing in my case. I started taking it at 372.4 pounds. Within a matter of 4 days of taking the medication I noticed a HUGE change. This gives me energy, and makes me feel not hungry at all. In 5 days, I lost 11.3 pounds. I don't have any of the nasty side effects that everybody mentions, but medications affect people differently. I take the Phentermine EVERY day at the SAME time, and am already noticing a difference. Along with not making you feel hungry, when you do eat, it makes you feel full. FAST.

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January 9, 2015 9:48 AM

Review by Yesssss1 (taken for less than 1 month):

For Weight Loss: I'm back again Now starting my 3rd week. My second week wasn't as good as it shouldve been, because I went out of town and I ate terribly. Not to mention I probably took phetermine maybe twice within 6 days. Somehow, I still lost 3 lbs in fat, but gained 2 lbs in water weight. Which is why I felt so depressed, because I was bloated from gaining the water weight. I was told that because I drank alcohol over my vacation and didn't take my phetermine as much (which didn't make me want to drink as much water) it made me more dehydrated, which made me retain more water in my body. Now I'm taking my phetermine like usual again and I'm drinking water like crazy and going to the bathroom again like I was the first week

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January 6, 2015 10:17 PM

Review by Tammyp2006:

User Rating:  
   
10

For Weight Loss: I started the medicine November 5th 2014. I was working 10 hour days I broke my foot few days later unable to walk, work or anything. 30 days later I was 19lbs lighter. I'm still on limited movement but I am happy with the results. I started our at 246lbs my goal is 150lbs.

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December 28, 2014 11:02 AM

Review by Torii (taken for 1 to 6 months):

User Rating:  
   
10

For Weight Loss: I Started 37.5mg on November 22, 2014 went to the doctor on December 23,2014 weighed in and I've lost a total of 20lbs with no exercise and keeping calories between 800-1200 most days some times I went over by eating out but most days it was within that range. Plus I've been drinking a lot of water. I will be starting my new bottle today December 28, 2014 and will be back to the doctor February 1, 2015. The only side effect I've experienced is dry mouth. Fingers crossed that this will continue to work the same way this month I will exercise this month while taking it.

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December 28, 2014 8:33 AM

Review by Bcross:

User Rating:  
   
6.0

For Weight Loss: Works good at first then after a few months not as good but does give you a good start at controlling your appetite

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December 22, 2014 8:24 AM

Review by DanielleehW:

User Rating:  
   
9.0

For Weight Loss: I have used phentermine before and had a decent amount of weightloss, after I stopped using it I put back all the weight I lost and a bit more as I didn't really change my eating habits. I have started using the tablet again 4 days ago and already lost 7 pounds! Definitely going to keep it up.

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December 21, 2014 9:19 AM

Review by Ms.Mommy (taken for less than 1 month):

User Rating:  
   
9.0

For Weight Loss: I started on December 10, 2014 and my first week I was down 10.5 pounds, my second week is not going as good because my cravings are coming back but I'm going to stay strong and drink lots of water

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December 20, 2014 11:11 PM

Review by Yesssss:

User Rating:  
   
10

For Weight Loss: I started taking phentermine 4 days ago (3 since it was given to me more in the afternoon so I started it the next day). I've already lost about 5 lbs. Wow.

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December 20, 2014 2:24 PM

Review by Clachea (taken for 1 to 6 months):

User Rating:  
   
9.0

Adipex-P (phentermine) for Weight Loss: It was really effective for me. My doctor only prescribed it for two months though. I lost 34 pounds.

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December 14, 2014 11:07 AM

Review by Fitnessgirl (taken for 1 to 6 months):

User Rating:  
   
10

Fastin (phentermine) for Weight Loss: Fastin has helped me lose 10lb. I started off with a half a pill and not doing full pills so my heart and body could get used to it. All I can say is I love this diet pill. REALLY HELPED ME.

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December 7, 2014 4:06 PM

Review by Teetee SC:

For Weight Loss: I started phentermine 15mg on 9/28/14 I was at 252lbs 5'9ft after my weigh in on 11/16 was at 222lbs, 30lbs in total weight loss. Water intake and different cranberry juices 3-4 days. Walking 1.5 miles, mostly baked foods, Italian dressing instead of butter on baked food. I like it so far and I'm keeping it off this time.

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December 5, 2014 9:51 AM

Review by Roshelle:

User Rating:  
   
10

For Weight Loss: I'm 45 & roughly 45lbs over weight. I was exercising at least 3-4 times a week but the weight kept coming over a period of time. For the past 2 years, no matter what I tried, my body would drop small increments of weight. In addition, my energy level was extremely low. Each time I tried to put forth effort to exercise more & cut calories, I'd end up loosing a few pounds then gaining it back with a few extra pounds. I was beginning to loose hope & I'm a person who's been physically active my life. Now, I've been taking phentermine since Nov. 11, I'm on 1490 calorie diet/day, walking 4 miles/day, drinking a gallon of water/day. and now light weights for strength training at least 3 times/week. I weighed in today & lost 10lbs. Very happy!

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November 30, 2014 5:13 AM

Review by Frances8 (taken for 1 to 2 years):

User Rating:  
   
10

Adipex-P (phentermine) for Weight Loss: Adipex-P worked for me. I lost the weight and I'm keeping it off. I haven't become resistant to the medicine at all. The generic brand is different - I had a headache and dry mouth. The name brand - no problems. I'm continuing to take it under the supervision of my doctor. I have no side effects, I feel good and I'm at a good weight. I exercise and stay on a low carb/high protein diet. This medicine rescued me from the weight loss merry-go-round.

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November 25, 2014 8:24 AM

Review by Beautiful Kendra (taken for less than 1 month):

User Rating:  
   
10

For Weight Loss: Excellent! I'm down 13lbs in 3 days... Tremendous amount of water weight, but I'm happy. I work out 4 days a week. 1,200 calories per day. I love it.

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November 20, 2014 4:25 PM

Review by EatRite (taken for 1 to 6 months):

User Rating:  
   
10

Adipex-P (phentermine) for Weight Loss: I'm not exercising at all. I'm just eating right. I have been on it 6 days now and I've lost 9 pounds. 1300 calories a day !!!

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November 16, 2014 4:30 PM

Review by NeqNeq (taken for less than 1 month):

User Rating:  
   
8.0

For Weight Loss: I've lost 10 pounds in 5 days my start weight was 185 my current 175 my goal 145. My first day taking it I was very drowsy but now the only side effect I have is nausea but it's only around the time I would normally eat.

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November 15, 2014 5:07 PM

Review by madysson (taken for less than 1 month):

User Rating:  
   
10

Adipex-P (phentermine) for Weight Loss: I've been on Adipex for 3 days now and I've lost 5 pounds. I'm 5'2 and started out at 221.2 pounds three days ago. This morning I got on the scale at I'm at 216. I've read a lot of reviews and its about %50 people who love it and %50 people who hate it. My main concern is the reviews where people say the minute they stop the pill the weight comes right back plus more. But so far so good for me.

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November 11, 2014 6:01 PM

Review by LosingNow (taken for less than 1 month):

User Rating:  
   
10

For Weight Loss: I started this med on Monday Oct. 27th and weighed in at 237lbs and today is Nov. 8th and weighed in at 218lbs. That's almost a 20lbs weight loss! I haven't changed my diet much because I was already eating healthy, but however this med does not allow me to complete each meal (about 65-70%). I have not started exercising yet, but will be starting on Monday.

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November 8, 2014 6:56 PM

Review by Joanna ram (taken for less than 1 month):

User Rating:  
   
9.0

For Weight Loss: I started phentermine on Monday Nov 3rd my weight was 189.5 as of this morning Nov 5th I am down to 185.2 and I only take half a pill around 4:40 am the only side effect I have is dry mouth that turns to nonstop water drinking and off course going to pee every 15 min but other than that I’m loving it. I also am changing my eating habits no fast food nor soda or caffeine.

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November 5, 2014 7:24 PM

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