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User Reviews for Phentermine

Also known as: Adipex-P, Atti-Plex P, Fastin, Ionamin, Lomaira, Obenix, Obephen, Oby-Cap, Oby-Trim, Panshape M, Phentercot, Phentride, Pro-Fast HS, Pro-Fast SA, Pro-Fast SR, ...show all 20 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.

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User Ratings

10
   
53%(932)
9
   
22%(385)
8
   
12%(207)
7
   
5%(80)
6
   
3%(43)
5
   
3%(46)
4
   
2%(18)
3
   
2%(20)
2
   
1%(14)
1
   
3%(42)

Phentermine Rating Summary

8.8/10 Average Rating

1787 Ratings with 1855 User Reviews

What next?Compare all 47 medications used in the treatment of Weight Loss.

Reviews for Phentermine to treat Weight Loss

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Adipex-P (phentermine): "hey everyone I weight 239 the day I started adipex its been 5 days and I just checked the scale I've lost 5 lbs! My first goal is to make it to 160lb being 27 and 5'8 then hope to get to 140lb! My mom refered me to adipex because she is 57 and with in less then a year on this she looks amazing . I have two children the youngest being 9 mths I've gained so much weight, but the news of already losing 5 lbs makes me hopeful! I have dry mouth and trouble sleeping I'm making myself drink more water to help lose weight and with the thirst. I take a half with breakfast and a half at lunch and it helps a lot but my problem is with eating a dinner and eating a late dinner so I will work harder on will power."

   
10

doll lips (taken for less than 1 month) October 17, 2017

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"I love Phentermine and have been taking half a tablet once a day in the mornings. So my dose per day is only 18.75 mg. I have had no side effects except weight loss (down 25 lbs in almost 5 months). My goal is nice slow steady weight loss with 80 left to go. (My thyroid was really low too and started Synthroid 5 months ago. My experience with generic levothyroxine = horrible; Synthroid = wonderful!) I watch what I eat and get 8 hours of sleep a night, wear a fitness tracker and walk 5 miles or more a day. I also take my bike out on trails on the weekends and ride for a couple hours. What I have noticed with Phentermine that has helped me the most, is it takes away my snack cravings and real hunger. Recommend half dose. Perfect!"

   
10

Dennise2017 (taken for 1 to 6 months) October 16, 2017

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"I started taking Phentermine on 10/2, took 1/2 pill for three days and have since been taking full tablet. I have a history of high BP, but have not noticed much change in that. Had initial body fat level of 33. So far have lost 3-4 lbs. Side effects are dry mouth, a little nausea, but most irritating and concerning to me is the extreme sweating. I easily get drenched with sweat, with the slightest amount of exertion. Tomorrow I'm going back to 1/2 tablet and see if that helps. Is anyone else having this side effect and how do you handle it? Thanks in advance."

   
6.0

Valpo (taken for less than 1 month) October 15, 2017

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"Hi. I started Phentermine mid September 2017; 37.5mg, once daily. I returned to my doc's office October 12, 2017, & to my surprise I've lost 19lbs! I experience dry mouth, after taking in the morning I tend to feel this surge of energy, alertness, & ability to take on the world. I too, have to remind myself to eat. It's an amazing appetite suppressant! I have cut out sugary drinks, sweets, & fried foods. I eat more vegetables, fruit, lean meats, & drink plenty of water. (Working to increase daily water intake) When I'm out & see people I know, I continue hearing "...and you've lost weight...a lot of weight!" I can see I've lost some, but I'm not @ my goal weight. So...what are the numbers? Stay turned. ;)"

Olyvoil (taken for 1 to 6 months) October 14, 2017

15 users found this comment helpful.

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Adipex-P (phentermine): "I was prescribed Adipex by my doctor 9/18/17 and so far so good. I do not own a scale so I am waiting on my monthly doctor visit so that he may monitor my weight loss. The first day I felt like I could run a Marathon and I did not at a thing that day, but drank a lot of water. The next couple days to a week it evened out a little better not as hyper, but enough energy to function. I am taking the 37.5 I take a a half of a pill in the morning and a half in the afternoon as prescribed by my doctor. Your doc may prescribe differently, but this does make the effects of the drug easier to handle. I started off at 250lbs ( I hate to admit) and being only 5'3 I feel terrible about my weight. I want to be at 130 when finished"

   
10

Shortshort96 (taken for less than 1 month) October 10, 2017

11 users found this comment helpful.

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"I just started taking Phentermine Friday Oct 06th. I am looking to lose about 60 lbs. I have dry mouth and have to force myself to eat as my doctor says to eat 3 meals a day making dinner the smallest one. No sugar, no carbs, and no alcohol. I really hope this works for me. I gained my weight from stress at work and personal life along with the quitting of smoking cigarettes which this pill kinda makes me crave one. I have a plan set up on how much to eat and how many calories to take in a day along with drinking tons of water. I hope this pill works for me. I really want to get rid of this being 5ft at almost 200lbs makes me very depressed and want to get out of that bad feeling."

   
8.0

Shorty75 (taken for less than 1 month) October 9, 2017

3 users found this comment helpful.

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"**STATUS UPDATE** I stopped taking Phentermine on 5/3/2017 and was never able to get a prescription from my doctor until 10/6/2017. My starting weight this year was 243lb, I started Phentermine 37.5 on 3/8/2017 with weight of 237lb and height of 5’7’’. On 5/3/2017 I weighed 219lb and could not refill my prescription. On 10/6/2017 I went to my doctor to get prescription filled, I weighed in at 210.2lb Up until the appointment I was able to maintain and lower my weight with the help of diet and exercise mainly. Today is my first day back taking Phentermine 37.5 and I feel horrible, my side effects include feeling lightheaded, dizziness, a little nausea, and overall lethargic. I don't have an appetite but will force myself to eat soon."

Jessipoo (taken for 1 to 6 months) October 9, 2017

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"F 5'2 SW: 173.3lb Oct 3, CW: 166.8lb Oct 7 GW: 150-145lb I decided to take Phentermine 37.5. After doing research I scheduled an appointment at a local weight loss clinic. After being evaluated I was given the okay to take it with a 1200 cal low carb daily meal plan. I was instructed to take half the pill for 4-7 days then 1 tab daily in the am on an empty stomach. I did 2 days half pill and 3rd day full tablet. I workout 2 days with a trainer and 4-5 days on my own a week. In 4 days down 7lbs!!!! Wow right. Amazing curbing of my appetite but because I'm working out daily still get all cal in daily. I also drink 3-4 Liters of water daily (a must). I plan on only taking for 30 days and working out 40-60 min daily. I'll update with Final weight after 30d"

   
10

Girl who loves Jesus (taken for less than 1 month) October 7, 2017

9 users found this comment helpful.

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"Male, age 75. SW 244, CW 232, GW 179. Started phentermine 30mg twice per day on Sept 14. Have lost 12 lbs in 19 days. This medication is really great for appetite control. Sometimes I have to plan to eat . Calorie intake has been controlled to between 800 and 1200 calories per day. I have found that drinking enough water is a challenge. Have managed only about 32oz per day. Side effect is mostly constipation which is easily managed with more fiber. Sleep is a bit disturbed. Although I feel rested during the day, I wake up several times a night which has not been my habit. The downside issues are more than offset by the benefits of taking the medication."

saxophone42 (taken for less than 1 month) October 3, 2017

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"I started phentermine on 9/25/2017 my SW 230lb my goal weight is 160lb so far I have no appetite I drink water and eating a lot healthier. I will check my weight next week so keep a look out."

Optional (taken for less than 1 month) September 29, 2017

8 users found this comment helpful.

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Adipex-P (phentermine): "Just started Adipex-P today, September 28, current weight 303lb, I hope this work for me. I've been so stressed. I've never had this much weigh on me. I hope this Journey works for me, want to lose 100 lbs fat"

Aydensgrandma (taken for less than 1 month) September 28, 2017

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Adipex-P (phentermine): "So I just started adipex on 9/26/17 2 days ago, the only side effect I’m feeling right now is dry mouth and I am only taking 1/2 the pill. I am 35 years old 5’4 and currently weight 199lb which is the heaviest I have been in over 10 years . I am really hoping that this pill helps me jumpstart my weight loss as my goal is to be 170lb by thanksgiving. I will be back to give an update next week!"

Hopefully wy (taken for less than 1 month) September 28, 2017

4 users found this comment helpful.

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"I just stated taking phentermine on 9/26/2017.I will give a update next week."

Save alot September 27, 2017

1 users found this comment helpful.

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"I started taking these pills last Thursday. Six days later and I have already lost 9 lbs..... My appetite is pretty much non existent I have been eating 1 meal per day and and I usually have a protein shake as a meal replacement. The first 2-3 days I didn’t sleep at all now the only symptom I have is dry mouth. I plan on taking this medicine for as long as my doctor will allow me to. SW 238, CW 229 ,GW 170"

   
10

Shayj (taken for less than 1 month) September 27, 2017

9 users found this comment helpful.

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"Started this medicine, 37.5mg on Saturday September 23 at 285lb and as of today September 26 I have lost 5 lbs. I had gastric bypass and lost over 100 lbs., but then stalled due to I'm sure my bad habits starting again. I still can't tolerate sugar, but for some reason carbs love me. So my doctor wanted me to try this to push start my weight loss process again and even though I know in my mind what to do I'm glad this pill is helping me to get back on track. I was given a one month supply and will follow up with my doctor in a month to see if it's working and then he will give me another prescription. Only side effects I have noticed was a little dry mouth on the first day and I was up till 4am. I haven't started exercising yet."

   
10

Inkera (taken for less than 1 month) September 26, 2017

6 users found this comment helpful.

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"I started out at 319lbs on 8/23 I have been taking it for just over a month now and the results are more than what I have expected and more weight than I have ever been able to loose. I started taking this medication because I have been overweight for my whole life and I was ready for a change. I got Phentermine prescribed to me and I have taken it regularly for the past month and now I am down to 289lbs. I can most certainly say that I feel better having lost 30lbs and it has been a great start in my journey to become healthier and more fit."

   
10

Olivine (taken for 1 to 6 months) September 25, 2017

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"I am now on my second round of phentermine. My first 3 months however were amazing! I'm so excited to see how the next 3 months go. I have lost over 45 pounds in 3 months on Phentermine. I went from a size 22 in pants to a size 16. I can go more than just a few feet without losing my breath. I was in a hopeless situation with my body, I couldn't run, I couldn't breathe.. I could barely walk without losing my breath and energy. Now I'm 236 lbs and I'm ready for round two! People say once you stop the medication you gain it all back. But my lowest was 232 and I've only gained 4 lbs in 3 months. (I was on 3 months, off 3 months) if you drink your water like you're supposed to, don't splurge on your calories or carbs, you WILL lose the weight!"

   
10

Julia. A (taken for 1 to 6 months) September 22, 2017

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"Continuing from my last post. I do still get dry mouth and I sweat bad. Now that I have been on it for about 2 in a half weeks I am noticing that it's not working as well as it was the first couple weeks of taking it. I don't get energy like I use to and it's not keeping me awake like it use to. So idk. I'm still gonna take it hopefully I am losing some weight. I'll update after I've been on it for 30 days."

   
6.0

Tawntawn (taken for less than 1 month) September 20, 2017

5 users found this comment helpful.

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"LOVE THIS! Wish I'd tried it sooner, still have another week till I hit my 3 months & lost over 60 pounds. (not exercising at all) 484lb to 423lb and still losing pretty steadily!! My only side affects are increased heart rate sometimes when I'm just sitting or somedays I completely forgot to eat... so I took some re-learning to get used to. It gave my stomach the time to shrink (which I normally can not do durning a diet) and I can eat normal portioned meal and feel completely satisfied (how I assume normal people feel) it's a whole new world and I could not be more happy with the results! I lost 10% of my body weight so far & extending pills for 3 more months! If you're on the fence, definitely try it, could be the best thing you do for you!"

   
10

SarahKritinn September 19, 2017

20 users found this comment helpful.

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Ionamin (phentermine): "I took this tablets back in the late 80's/early 90's. They were very addictive and I was put on a higher dose. The establishment I acquired them from was a 'diet' clinic in North East Surrey. I would politely call them quacks. They had NO regard for my actual weight - I was in fact 8st 4lbs . Frankly, had I have been 6st I'm sure I would still have gotten them. Did they work? Yes, without question. I went 2 solid days without eating a single thing. My only intake was cups of tea. The downside was chronic insomnia which last long after the tablets ceased. I believe these tablets were at the root of the onset of my life long problem with IBS. AVOID LIKE THE PLAGUE. Plan meals, eat sensibly and exercise - you will lose weight."

   
3.0

LizziB (taken for 1 to 2 years) September 18, 2017

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"Male, age 75, SW 244, GW 179. Started on 30mg twice per day today. Looking forward to more energy and appetite control. Based on many other reviews, 60mg per day sounds like a lot, but that is what the doctor prescribed. Also taking Chromium 200mcg twice daily. Weight loss is needed to save wear and tear on the knees. Hope this medication helps. Will follow up in a week."

saxophone42 (taken for less than 1 month) September 15, 2017

5 users found this comment helpful.

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"It's very good to keep you away from food and to give you energy "

   
7.0

Ammmyy September 12, 2017

12 users found this comment helpful.

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"Although I have been traveling and eating what I want I still managed to loose weight , I started at 263 and now I'm at 251 I've only been on this for 3 weeks now , I'm not really looking for a specific weight that I want to loose just want to be more healthy . But I haven't been walking like I used to because of the weather , but I will start back and maybe start seeing it shed faster , so far 12 pounds "

   
10

Vickkkkky September 11, 2017

14 users found this comment helpful.

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"SW: 260, CW: 205, GW: 160 My doctor prescribed phentermine on May 15, 2017. I have been taking half of a 37.5 mg pill in the morning and half in the afternoon. That coupled with daily exercise and a 1,400 calorie diet has resulted in a 55 lb weight loss in 4-ish months! There are side effects: nervousness, elevated heart rate, dry mouth, and constipation. However, these can be handled via your healthy lifestyle! Drinking about 4 liters of water a day solves the dry mouth and some of the nervousness (just always carry a water-bottle with you). For the constipation, I just take fiber gummies twice a day, and it does the trick! This has been an amazing health journey! If I can do it, you can too!! Keep working hard!"

   
10

C_Bean (taken for 1 to 6 months) September 10, 2017

20 users found this comment helpful.

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"Week one on Phentermine. Doing well. I've stuck to the very low carb diet and have been drinking water. I've also been walking at least 2 miles every other day. I have lost 9lbs! SW: 232 CW: 223 GW: 140"

Kissesn4zi (taken for less than 1 month) September 9, 2017

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