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, T-Diet, Teramine, Teramine ER, Zantryl

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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Obesity 111 reviews 54 medications
   
9.1
Weight Loss 726 reviews 27 medications
   
9.0
Summary of Phentermine reviews 837 reviews 9.0

Reviews for Phentermine

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Review by Liz985504 (taken for less than 1 month): User Rating:  
   
6.0

Adipex-P (phentermine) for Weight Loss: I've been on Adipex for 6 days now and have lost 12 pounds. I'm really happy about that but I've had constant diarrhea every day since then and have become very dehydrated. Be cautious of the side effects.

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April 16, 2014 4:46 PM
Review by TGordon: User Rating:  
   
10

phentermine for Weight Loss: This is my second post...I started on 3/6/14 and today 4/16/14, I have lost 22 pounds. It could have been more if I just got myself back in the gym. My daily meals consists of breakfast - one egg w/cheese and one turkey link, no lunch around 2pm I have yogurt and BelVita crackers & dinner - whatever I want but no bread and I don't eat after 7:30pm. Also, I do not take the pill over the weekend! Good Luck everyone!

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April 16, 2014 2:51 PM
Review by sophie94 (taken for less than 1 month): User Rating:  
   
10

phentermine for Weight Loss: I've been on phentermine for two weeks, within the first week I lost 16 lbs without changing my diet or exercise routine. I'm about 5'8" and have a very athletic muscular build so I'm heavy anyways. I'm a size 12 weighing 211 as of last week but I can see a drastic change in my body, it's insane and a little scary how well this has worked!

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April 11, 2014 3:47 AM
Review by Anebiee: User Rating:  
   
10

phentermine for Weight Loss: In love! I am 19 years old and my height is 5'2" and weight 170lbs the day I started 04-06-14 and I'm starting to see results. I am a single mom, work, attend college, etc. and don't have time to exercise. I'll go to the doctor May 3, hopefully I can lose at least 10lbs by that time! Good luck everyone.

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April 8, 2014 2:46 AM
Review by Alice Wonderland:

Adipex-P (phentermine) for Weight Loss: I've been on this medicine off and on for 6 months. I've lost about 30 pounds. My cycle is 1 month on and one month off. If you take it more than a month your body gets used to it. I have found giving the body a rest and allowing the metabolism to adjust without works best for long term weight loss and maintaining. I started at 180, currently at 150. I get bad side effects, but seeing the scale move and clothes fit motivates me to move on. If you exercise with this medicine it can make you nauseated and cause vomiting. Exercising first thing in the morning, then taking the medicine works best to prevent nausea and vomiting. Also, I find it important for users to change eating habits. Suggest clean eating 6 days on 1 day off.

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April 3, 2014 11:02 PM
Review by Jesi Lee: User Rating:  
   
8.0

phentermine for Weight Loss: I'm 24 years old, I have Hashimoto's (hypothyroid) and am 5'5. I weighed in at 217 lbs on March 25th which is the day I started the medication. It's been seven days and today I am weighing in at 204, 13 lb loss. I've been primarily juicing all three meals per day. I had a full meal one weekend night and have had healthy snacks here and there such as raw almonds and avocados. I've been drinking about 1 gallon of water per day. I just worked out for the first time on day 6 so we'll see how my second week goes now that I'm burning more calories. No negative side effects, dry mouth occurs but as previously stated by everyone it's just makes the water intake that much easier.

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April 1, 2014 3:24 PM
Review by Tgordon (taken for 1 to 6 months): User Rating:  
   
9.0

phentermine for Obesity: Started at 254lbs on March 6 2014 and now 236 as of March 30 2014. I still have a long way to go but so far so good. Side effects constipation and dry mouth. I eat less than 1200 calories per day.

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March 30, 2014 1:56 PM
Review by littlewalty (taken for 1 to 6 months):

phentermine for Weight Loss: I started phentermine 3/1/14 it took about 3 days when I noticed my appetite went away. I was not exercising and when I ate I was still choosing the wrong foods, I lost weight, (like 1-2pounds), But when I decided to "get real" with myself ( excercising, elimination of sugar, flour, bread ) The weight came off. Start Weight 181 As of 3/30/14 lost 20 pounds 161!

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March 30, 2014 7:05 AM
Review by Michele chest: User Rating:  
   
10

Adipex-P (phentermine) for Weight Loss: It's my fourth post, been taking this medicine and watching what I eat been dieting since May 9th I have lost 106 pounds. I would recommend this to anybody.

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March 30, 2014 6:53 AM
Review by Anonymous:

Fastin (phentermine) for Obesity: 11lbs in one week on Fastin

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March 30, 2014 1:27 AM
Review by Truelover1: User Rating:  
   
10

phentermine for Obesity: I started phentermine March 27 at 252 and today I weighed my self today on March 29 at 247 I'm super happy I haven't even worked out yet. I eat healthy because you don't have an appetite so it's easy for you to choose an healthy choice I love this and happy I'm loosing the weight so far no side effects I take my medicines every day at 11 am so I can sleep at night and I get sleepy around 10 so this is a good product for weight loss, it does the job.

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March 29, 2014 6:47 PM
Review by MOMOF4770: User Rating:  
   
8.0

phentermine for Obesity: I started taking Phentermine 37.5 on February 27, 2014 and so far I have lost 13 pounds. When I first started I was VERY jittery with huge pupils. Now that time has gone on, I am feeling much better. I do have horrible mood swings and can be fine one minute and snap on you the next. Other than that, I am very impressed with the weight loss. My Dr. did inform me that the second month I may not see as much change. I am determined to prove her wrong.

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March 27, 2014 3:10 PM
Review by Shotyme (taken for 1 to 6 months): User Rating:  
   
10

Adipex-P (phentermine) for Weight Loss: I started in Adipex Feb 16th. I weighed in at 308lbs, the heaviest I've ever been. As of March 27th I am now 260 lbs and going. I run 5 miles everyday and totally changed my life style. Drinking lots of water I probably go through a case and a half a week. I did experience the dry mouth and a serious boost of energy the first day I took it. After that it's just been dry mouth but hey I'm accustomed to drinking a ton of water. If you change your lifestyle and hit the gym it works.

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March 27, 2014 11:29 AM
Review by KWD3009 (taken for 1 to 6 months): User Rating:  
   
8.0

phentermine for Weight Loss: Worked well the first time I took and but after that my body adjusted to it and it was not as effective

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March 22, 2014 10:50 PM
Review by Kat von d: User Rating:  
   
10

phentermine for Weight Loss: I eat fairly healthy and exercise at least 3 times a week however my weight wasn't dropping so I went to my doctor. He prescribed phentermine 37.5 mg and I have been taking it every morning before breakfast. The only side effects I noticed was the dry mouth, but it just encouraged me to drink more water. Didn't have any problem sleeping, irritability or pounding heart like others have described. I go back to my doctor In 2 weeks for my 30 day review. I'm down from 206 to 195 so far.

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March 22, 2014 3:48 PM
Review by coccojenn (taken for 1 to 6 months): User Rating:  
   
9.0

phentermine for Weight Loss: I started phentermine two months ago (mid-Jan 2014) and I have lost 25 pounds (almost 26) so far. Working out is a challenge with my kids so I just try to walk whenever I can. I mostly monitor my caloric intake to make sure I eat enough to avoid my body's starvation defense mode, because that would defeat the purpose. I usually do the protein meal bars for lunch or breakfast shakes and then a sensible dinner. Only discomfort is the occasional constipation when I don't drink enough water. But usually the dry mouth is enough incentive to drink as much water as possible. Also I completely eliminated soda and other caffeine sources which I believe helps avoid the risk of heart palpitations.

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March 21, 2014 11:19 PM
Review by Cowgirl41: User Rating:  
   
9.0

phentermine for Weight Loss: I started three weeks ago and down 13 pounds. 254 and now 241. Side effects.. Dry mouth, insomnia and heart racing not all the time. I will weigh myself again at the end of March

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March 20, 2014 7:32 PM
Review by Cowgirl41: User Rating:  
   
9.0

phentermine for Weight Loss: I started three weeks ago and down 13 pounds. 254 and now 241. Side effects ... Dry mouth, insomnia and heart racing not all the time. I will weigh myself again at the end of March.

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March 20, 2014 6:43 PM
Review by Bride101814 (taken for 1 to 6 months): User Rating:  
   
10

phentermine for Weight Loss: I've been on phentermine 30mg for almost seven weeks now. My start day was 2/1/14 and I weighed 215lbs. My last weigh in was 3/15/14 (6 week mark) and I weighed 194lbs. That's 21 lbs in 6 weeks! I just weighed in this morning and I'm down to 191.5lbs. Hope to meet my goal of 190lbs by Saturday. I eat low carb (not induction low) and exercise 3-4 days a week. Next week I'll be starting my day with morning cardio sessions. No complaints as of now. I love this.

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March 20, 2014 3:45 AM
Review by Nuzzle (taken for less than 1 month): User Rating:  
   
10

phentermine for Obesity: Atarted on 3/1/2014, my weight was at 260lbs. I'm So happy to say that my first weigh in today 3/18/2014 I'm at 249lbs. I lost a total of 11lbs, its suppressed my hunger and I have energy to spare. I work out everyday and watch my calorie intake. So happy I went to the doctor for help I'm hoping to get down to 145lbs. I've gone down 2 pants sizes in two weeks yay.

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March 18, 2014 2:03 PM
Review by Miiki (taken for less than 1 month): User Rating:  
   
8.0

Adipex-P (phentermine) for Weight Loss: I lost five pounds in three weeks. I took the pill five days a week and took a break over the weekend. I definitely ate more when I did not take the pill. Overall, I have been eating healthy prior to taking the pill, but this has definitely helped me to avoid rush eating of sweets and other unhealthy things at times when I would be very hungry or stressed. The pill alone is not enough. Exercising on a regular basis makes a big difference. I'm looking to lose five more pounds by the end of this month.

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March 17, 2014 9:01 AM
Review by VeryHopeful: User Rating:  
   
8.0

phentermine for Weight Loss: I am taking phentermine 37.5, usually taking a full pill, but sometimes only taking half because of the way it makes me feel especially at night. I have a hard time sleeping and have my heart pounds. Hoping these side effects will go away but it has been a little less than a month and I still experience them. I have already lost 22 lbs and hoping to lose the rest in another 2 months because my doctor said I can only take it for 3 months...if I keep losing like I have the first month I will make it. I just wish I wasn't experiencing these side effects because sometimes they are really hard to deal with.

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March 16, 2014 12:25 PM
Review by adipex user: User Rating:  
   
10

Adipex-P (phentermine) for Weight Loss: I love this pill I take a whole pill every morning. I have lots of energy! I started 3 days ago and I have lost 7 pounds since then. It curves my appetite all day until about 5:00pm then I normally eat a piece of grilled chicken and drink water! But I would definitely say that you need to work out along with it because I think that's how mine is dropping so fast! My doctor told me that if he doesn't think a patient is losing what they should, he stops prescribing it.

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March 15, 2014 12:06 AM
Review by lge123456:

Adipex-P (phentermine) for Weight Loss: I've been on Adipex for 22 days and I've lost 11lbs.

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March 14, 2014 5:13 PM
Review by Pao Pao: User Rating:  
   
10

phentermine for Weight Loss: WOW is all I can say I started the phentermine 37.5 on 03-07-2014 my weight was 217lbs and I weighed myself today (03-13-2014) and my weight is 197lbs. I have lost a total of 20lbs. This has changed my life, I have always struggled with my weight since 2008. I have never been under 200lbs and now I see the scale it makes me want to cry THANK YOU SOOOO MUCH Phentermine. My goal is 150lbs for the summer.

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March 13, 2014 1:18 PM
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