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 138 reviews 54 medications
   
9.2
Weight Loss 827 reviews 27 medications
   
9.0
Summary of Phentermine reviews 965 reviews 9.1

Reviews for Phentermine

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Review by Honey Bunz (taken for less than 1 month):

User Rating:  
   
8.0

For Obesity: This Is My Second Time Taking Phentermine. The First Time I Weighed 288 & Dropped Down To 235lbs. Well I Hit A DEEP Depression I Went Up To 300... I Started Nov.6 I Now Weigh 294...With Little Exercise & Barely Eating..Once I Lose 10pds Total..Ill Hit Them Gym..& Start Detoxing.

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December 3, 2013 8:06 PM

Review by Tank76 (taken for 1 to 6 months):

User Rating:  
   
10

For Weight Loss: I had a wreck, in the hospital 30 days. I put on 25 lbs. Went from 220lbs to 245lbs. I have taken 37.5mg phentermine for a month and have not run or anything besides everyday life exercise and I am down to 225lbs. Once I hit 215lbs I will start jogging. I have taken this 3 years prior and worked out extensively. In 1 yr I went from 240 to 193lbs.

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November 26, 2013 3:49 PM

Review by H.Ann:

User Rating:  
   
10

For Weight Loss: I started out at 307 pounds on July 15, 2013. My cholesterol was out of control and I felt depressed and had no energy. The doctor put me on phentermine. 1 a day and now increased to 1 1/2. Today is November 25, 2013 and I have officially lost 62 pounds. My advice, don't sit around and wait for it to work. I started a heart healthy diet and I work out 4 times a week at least. I did a complete life style change and feel so much better. A lot of people say they don't have time to work out. Make time. I have a full time job, children, husband and a house to take care off. You have to want it bad enough. Good luck!!!

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November 25, 2013 1:44 PM

Review by Elena005 (taken for 1 to 6 months):

User Rating:  
   
10

Fastin (phentermine) for Weight Loss: I have been working out for the past year and a half. I've taken many kinds of diet pills and let me tell you this is by far the BEST thing. I've lost 35lbs and I feel wonderful. I do feel a little jittery but I can handle that. It's great and I hope it never goes away. Love it!

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November 24, 2013 11:20 PM

Review by Litha:

User Rating:  
   
9.0

For Obesity: Im 5'2 and 245lbs. Never suffered from being overweight in my life but in the past couple years my weight has been progressingly going up, and I work out and diet is extremely modified so my doctor decided to try me on this medication. I started it last Friday 11/15 at 245lbs and as of today I'm 231lbs. Meaning 14lbs in 6 days. My appetite has definitely been suppressed, really not much of an appetite at all, but for the most part the medication is doing what I desired it to do, and besides last night only getting a couple hours of sleep and up the remaining of the night I feel good. Will post again after a month or so.

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November 21, 2013 1:53 PM

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

For Obesity: I started phentermine with HCG shot on Nov 16 at 201.6lbs and 5'3. My goal is 145lbs. My mouth is very dry but I have a lot of energy. I am down 3lbs in 2 days 198.6.

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November 18, 2013 3:08 PM

Review by big bus mama (taken for less than 1 month):

User Rating:  
   
10

Adipex-P (phentermine) for Weight Loss: I just started adipex 3 days ago. Im having some insomnia and terible dry mouth. But I also have mad energy and little appetite. Adipex is amazing! Compared to having no energy, terrible depression, and feeling like there was no hope, I feel great! Hopefully this continues don't give up there is help out there!!

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November 12, 2013 3:25 PM

Review by anxious2013 (taken for less than 1 month):

User Rating:  
   
9.0

For Weight Loss: Hi today is nov 12 2013. I started taking phentermine 37.5 on nov 6 2013 my weight on the 6 th was 198lbs. Today i am 191.. I have not worked out on the pill because i have a cousin who lost 50lbs without working out.. I eat 3 small meals a day and 2 snacks. I Don't eat after 6 pm and i drink plently of water. No juice or soada.. My question is to all who has taking phentermine 37.5 along with a b12 pill once a week. Will this pill continue to work like this?? I am getting married in 6 months and i am so worried because i would love to get down to 150lbs by that time.. I plan to get of this pill in 3 months.. I have been loosing so quick and it has not been a week yet..My weight loss doctor prescribed them to me.

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November 12, 2013 12:26 PM

Review by mellllll:

User Rating:  
   
9.0

For Weight Loss: I was at 185 now 174!! So far 11lb down in a little less than two weeks.. super excited! My goal weight is 130-135. 185 is the most i ever weighed..i dont think i look it, but the scale doesn't lie! Lol. Ive had a few symptoms so far...dry mouth, lasts all day whether i chew gum, drink water. Insomnia is horrible, i can have three hours of sleep and be fine all day. I use to get really jittery and want to move around but so far i havent been super hyper like i was. Today i felt my hands and feet tingling not bad though. I have also had a headache the past two days...which it may not even be from this hopefully itll go away. I also would have hot.flashes but then get cold. Overall im just excited to see results!!

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November 9, 2013 9:38 PM

Review by hereigoagain (taken for 2 to 5 years):

User Rating:  
   
2.0

For Weight Loss: I have on phentermine for 4 years on and off. 3 times total. First time I lost 55 lbs,second 35 lbs and Now I am looking for 40 lbs. I started at 265 in 2009 down to 210 than in 2011 down to 195 than now I am 190 and looking to get in 150's.

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November 6, 2013 12:27 PM

Review by angyga:

User Rating:  
   
10

For Weight Loss: I started phentermine on june 12 /2013 starting weight 208lb with phentermine and healthy diet now after 4 month dropped to 161lb lolllll never thought its gonna be possible its a pleasure now to go shopping for new medium size clothes thank you phentermine

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November 3, 2013 1:18 AM

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

User Rating:  
   
7.0

For Weight Loss: Today is only my second day on this medication, and so far I am very pleased! I only have 20lbs to lose, but was stuck and needed help getting there. I took my first 37.5 pill yesterday at 630 and had the most euphoric happy feeling! I was not jittery, just hyper. Not the sick feeling you get from caffeine. (I am not a caffeine user). I did experience some hot flashes, but only for an hour. I was very satisfied with a ViShake for breakfast and lunch. I ate a 1/2 cup of broccoli and 6oz of venison for dinner and was stuffed! I couldn't finish it! I did get the dry mouth they talk about, but as for the insomnia, it never happened. I actually was tired and went to bed and slept my usual 7 hours! I will update in a few weeks! Love this pill!

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October 30, 2013 12:30 PM

Review by melmore:

User Rating:  
   
9.0

For Weight Loss: Hi! I have been on phentermine in the past and lost 32 pounds in less than two months! Then I stopped for about 3 months because itmade extremely constipated. I just started taking it again monday October 28 2013 and today is October 30th and so far I've lost 4 pounds in 3 days. I recommend phentermine to those who truly want to lose weight. It has some side effects but the only one I've experienced is constipation so eat healthy and high fiber diet.

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October 30, 2013 11:22 AM

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

User Rating:  
   
10

Fastin (phentermine) for Weight Loss: I have been taking fastin for a little over two weeks. I started at 150 and im currently 140. Fastin causes me not to be hungry as much and gives me energy. I do feel a little jittery sometimes and have a funny taste in my mouth. Overall im pleased with my weight loss and will continue using fastin .

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October 24, 2013 9:16 AM

Review by MSJoose:

User Rating:  
   
7.0

For Weight Loss: I've taken Adipex before about two years ago , I lost15 lbs in a month and did not continue as I should have....So here I am again now 32 yrs old 5 ft 3 in , mother of three, with the youngest at 6 1/2 yrs old. I started generic Adipex capsules Saturday 10/19/13 by Monday 10/21/13 I had went from 225 to 219. I am amazed this is a great start to my 50 lb goal. I love food and I have sit down job so Im not very active although I have not been very hungry I have manage to eat at least 1200 calories a day. I started a 20 minute 30 shred workout yesterday I only made through half before I was too tired to continue. I will try again today and everyday until I can do it. I would like to be 25 lbs down by Thanksgiving. I will keep you all posted

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October 22, 2013 3:23 PM

Review by Sapphire Roses:

User Rating:  
   
10

For Weight Loss: I was a hard core Atkins dieter in my early 20's, lost a tremendous amount of weight, and kept it off for 5 years. I then got pregnant, stopped eating healthy and gained everything back and then some. Now I'm in my 30's with my highest weight being 218. I started back on the Atkins and started exercising but my weight was not coming off like it did when I was in my 20's. My doctor prescribed phentermine and I've lost a pound every day, I'm finally out of the 200's and down to 198 today (never thought I'd see the day). I have had dry mouth occasionally with no other side effect. I've been exercising and eating low carb and feel great. I hope to be 135 someday.

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October 22, 2013 7:23 AM

Review by C. B.:

User Rating:  
   
8.0

For Weight Loss: Pro's: Unbelievable amount of energy (not kidding, if I was not concerned about my health, I could work 5 days a week on 2 hrs of sleep every day if I take a single Phentermine at 7am with topiramate which causes sleepiness), works to suppress appetite for me so I can easily eat a healthy low calorie diet with supplementation, minimal dosage needed, helped me painlessly lose 46 lbs so far w/ lifestyle changes! Con's: Unbelievable amount of energy (on the flipside, if I ever took this past noon, no sleep would be had), sometimes I had an agitated mood immediately after taking it (being easily angered.. the effect limits itself to the first 30m-1hr after I take it after the first 1 week), extreme exertion was not recommended while on it

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October 19, 2013 11:24 PM

Review by Ali4:

User Rating:  
   
10

Adipex-P (phentermine) for Obesity: I am 5'5", and 31 yo. I have been overweight my whole life. Even as a child. At my heaviest I weighed 256lbs. I could hardly make it up and down the stairs. That is when I started taking Adipex. I am now 149lbs, and feel amazing! I know that there are side effects with every medicine, but there are also side effects to being overweight. Honestly, it is not easy to being weaned off. You have to work hard everyday, not to cave into the cravings, and keep active. It gave me the edge I needed to make that life change. Other friends that have tried using Adipex, but could no stick to the diet and exercise plan and lost little to no weight! You need to want to make the change, the pills just help.

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October 18, 2013 10:35 AM

Review by Michele chest (taken for 1 to 6 months):

Adipex-P (phentermine) for Weight Loss: I have been on it now 5 months and when I started I was 242lbs, today I am 176lbs, that is 66 lbs down and I feel great.

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October 11, 2013 3:45 PM

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

User Rating:  
   
10

For Weight Loss: I have been taking phentermine for exactly a week today and I've lost 8 pounds, going from 182lbs to 174lbs. I'm so excited and hopeful. The only side effect that I experienced was a little sleeplessness, but it subsided after three days. I can't believe how much energy I have and the advantage this gives me over what I eat. I'm learning how to eat right and exercise daily. Only 42 pounds to go!

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October 10, 2013 6:40 PM

Review by Curly Sue:

User Rating:  
   
6.0

For Obesity: I have been on this medication for a little more than a week. I have lost about 12 pounds so far. I think it's important to note that everyone experiences the medicine and side effects differently. Some of these reviews would lead people to believe that your cravings go away entirely. For me, they haven't. But seeing the numbers go down on the scale when I make good choices has given me the confidence and support I need to resist the diminished cravings I have. As for side effects, I had 3 days of really bad nausea and stomach cramps about 2 days after starting the medication, but it resolved itself. No insomnia or jitters. A little dry mouth, but nothing unmanageable.

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October 10, 2013 11:17 AM

Review by Diana30:

User Rating:  
   
8.0

For Weight Loss: I'm 30 years old and have been overweight since the birth of my second child when I was 22. I was always thin in my youth, but packed on 65 pounds with the pregnancy that I had a hard time getting off. My review is both as a patient and also as a nurse. This works great! I have tons of energy and my metabolism is super high. I had virtually no desire to eat at all in the beginning. But it's only supposed to be used as a very short term aid to help you make better lifestyle choices. Unfortunately, I have seen in myself and in many of my patients that once you stop, the weight will start to creep back up. The metabolism will readjust to where it was pre-medication, which means you will have to work even harder afterwards to keep it off.

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October 8, 2013 8:59 PM

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

User Rating:  
   
9.0

For Weight Loss: I started taking it on October 1st, it is now the 6th and I've already lost ten lbs. I don't have that much more energy, but I don't have cravings or really get hungry but I make sure to eat three small meals a day. I don't drink anything except water. I am really active at work. I make sure to eat breakfast or I'll get a headache for the rest of the day. I stay away from bread and pasta. This pill is honestly a miracle worker but I feel that for me to keep all weight off I have to eat. I can't starve myself.

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October 6, 2013 8:07 PM

Review by HoneyBearLee:

User Rating:  
   
10

For Weight Loss: This is so awesome reading everyone's reviews. These are real reviews to me. You read other diet adds, they are not real. I started in late August, 28 2013. I have lost a total of 15lbs so far! Looking to lose more. I was near the 200 lb mark. It's been like that since I had my last child in 2005. All this time I had been working out, I saw no changes. I needed a change because I have insulin resistance. That is scary to me. Diabetes runs in my family both parents. I love this pill!. It's amazing how much energy I feel. I did feel jittery when taking at first and not feel hungry but I ate anyways. I watch what I eat. Insomnia and dry mouth. Drink lots of water. I just want to feel better about myself.

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October 5, 2013 11:51 AM

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

User Rating:  
   
8.0

For Weight Loss: Started phentermine on September 6, 2013 weighing at 183.5lbs. I had my appointment at my doctors today and I weighed in at 164.4lbs. I have lost close to 20 lbs in 1 month. I am taking the 37.5 mg pill in the morning and 1/2 at noon. Side effects are dry mouth but I drink lots of water, which is good for me anyway. My goal is 135 lbs and I work out 1 hr 5 days a week.

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October 3, 2013 6:44 PM

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