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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 304 reviews 61 medications
   
8.9
Weight Loss 1425 reviews 43 medications
   
8.8
Summary of Phentermine reviews 1729 reviews 8.9

Reviews for Phentermine

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For Weight Loss: "I've just started taking this pill a week ago. today is 7/26 and lost 8 pounds. since my doctor recommended me to start only with half, I'm just taking half. My starting weight 188...today 180 ... Side effects dry mouth.,"

   
9.0

Lessfatty July 27, 2016

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For Obesity: "I started on Phentermine on June 7, 2016 at a weight of 235#. I am 5 feet 7.5 inches tall. The only side effects I have experienced are a dry mouth and increased energy (a good thing). In the first three weeks I lost 15 pounds. Then the weight loss slowed a little. It took three weeks to lose the next ten pounds. My target weight is 180#, a loss of 55#, so I am about half way there. My plan is to take 90 days of Phentermine, then discontinue for 90 days to figure out how to sustain the weight loss without the help of an appetite suppressant. After 90 days I will resume taking Phentermine until I reach my target weight. I have never felt more optimistic about losing weight and keeping it off."

   
10

Iowa retiree (taken for 1 to 6 months) July 26, 2016

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For Weight Loss: "well I started with phentermine 37.5 mg June 28 2016...it is now July 26 2016 and im down 23 pounds .....start weight 302 I actually did a weigh in today and I was 279... I was skeptical first cause I herd about all the side affects but I really wanted to lose weight and im glad I trusted my self the only side effects I have had is dry mouth and constipation my legs are a little jittery every now and then but I sleep really good at night.....I walk/run 3 miles every day and I already lost 5 % of body fat every person body is different .....I will highly recommend this pill"

   
9.0

comma09 July 26, 2016

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For Weight Loss: "I just started taking the pill on July 23 and I weigh 178, today is July 26 and I now weigh 174. If you have dry mouth try chewing sugar free gum as a singer I use that trick all the time to keep my mouth moist and it works. Please drink lots of water as well, but it makes the dry mouth not so bad. I have a thyroid condition so I take that pill early in the morning and I make myself eat a piece of toast or something 30 minutes later and take the pill and I don't have a problem sleeping at night. I walk every other day and I have a decrease in my appetite, but I still eat. Some people say that don't eat at all that is not healthy. Oh and I don't drink or eat anything with caffeine so I won't have a problem sleeping at night with the meds"

   
9.0

S2P July 26, 2016

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For Weight Loss: "I started this medication three weeks ago. I was very nervous because of all the side effects that people were against for. I'm very upset. This medication is a good energy booster. But literally that was it for me. I felt energy and no hunger at all. However, I have only lost 2 pounds. I've eaten better and worked out more but have not lost but those 2 pounds. I really thought this medication would help me. Guess not. At least I didn't feel any palpitations or crazy side effects. My advice, try it. If it works for you great! If it doesn't at least you tried."

   
1.0

Humberto777 (taken for less than 1 month) July 26, 2016

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Adipex-P (phentermine) for Obesity: "10 weeks - 50lbs down - BMI 40 to 32 First two weeks, side effects were CrAzY, almost quit. Now outside of my mouth and regular profuse sweating, all is well. Doing a very low calorie low fat diet with raquetball 3 days a week. Hit a plateau, incorporating weights now. 40lbs to go."

   
10

Pilfering Dingo (taken for 1 to 6 months) July 26, 2016

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For Weight Loss: "I started phentermine 37.5mg 6/25 /16 my start weight was 248. Which is the most I have ever weighted... I gained 100 pounds well pregnant with my daugther. The frist few days I only got 2-4 hours of sleep. But now do get atleast 6 hours. The pill gives me lots of energy. I have not weighed myself yet today is the last day of my 30 day prescription. But I know i have lost I see it in my face,neck,arms. My pants that use to fit me tight now are loose on me that they wrinkle up. And shirts that didn't fit me now do. I feel awesome. I need to lose a total of 65 Pounds to be back to normal. Will update tomorrow to see how much I have lost."

   
10

BiancaRomero July 25, 2016

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For Weight Loss: "I'm a 5'3, 47-yr.old female and when I started Phentermine on July 19th I weighed 177 lbs; today is July 22nd and I weigh 173.5 lbs. I hope to continue losing a pound a day, but I know I will plateau sooner or later. My goal is to get to 125-130lbs. & eventually get a breast reduction for my large breasts. Hate the dry mouth, sometimes nauseous with slight headaches; forcing myself to drink as much water as possible & eat 3x a day healthy with snacks."

HotCougar2016 (taken for less than 1 month) July 23, 2016

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For Weight Loss: "am on my 8th day of taking phentermine, and I have lost 10lbs. I had a little trouble getting to sleep the first day, but fine now. It does give you a lot of energy which was one of my problems and does keep you feeling FULL My weight when starting was 189 and I am now down to 179 for a goal of 160-165 I am finally feeling strong enough to do the stepper at the gym for a longer period of time. I am so impressed with the medication from my Dr."

   
7.0

Katme (taken for less than 1 month) July 23, 2016

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For Obesity: "Hi everyone!! I am a 33 y/o wife and mother of 4 beautiful children ages 11, 9, 7, and 3. My last baby was born via c-section. After my first 2 children, I was able to bounce back quickly. After my 3rd child, it was difficult to get the weight off and after my 4th, it seems impossible! I'm a stress eater most definitely. I scheduled a visit with my doctor and expressed to her how awful I felt by not being able to lose weight. She informed me that my BMI is 36 and it's supposed to be 25! I weighed in at 219lbs and I'm 5'5 and 1/2! I started taking the generic form of Adipex at 37.5mg on 07/19/2016. I weighed in this morning 07/22/2016 and I'm 216lbs! I've already lost 3lbs in 4 days! More updates to come!"

   
8.0

Determined Mommy of 4!! (taken for less than 1 month) July 22, 2016

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For Obesity: "I started on this April 22, 2016. I'm 32 and a mom of 2. 5'4. Starting weight was 272. I sit at a desk 8 hours a day. I love to eat. I have tried everything except surgery. Spent lots too! I was always hungry. This medicine has helped me to stay on track with a calorie goal of 1500 or less most days. I bought a fitbit and after work I've only had between 3200 and 3800 steps. So we go on walks and my daily average is 11,000. I started jogging a little bit. Every other day we do toning about 30 min and we get the kids involved too. I have lost 40lbs before but it took me 9 months and living at the gym. As of today I have lost 42 lbs. 230 weight. It has been 13 weeks and not slowing down. Dry mouth yes! But is cool for my results!!!"

   
10

LRJ July 22, 2016

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For Weight Loss: "Hi I started this weight loss journey in March. I walked the park in January and February and wasn't losing anything. I weighed 225lbs. Until one day girls from around the area convinced me to go to the gym. One of my friends told me about adipex and how she is dropping weight. So I checked it out and started it in March and signed up for the gym. My eating habits died and I drank nothing but water. I cut all my soda out. Now it's July and I'm weighing in at 190lbs. That is 35lbs in 5 months. After my 3 kids my weight just climbed and it was at the highest point ever. I feel soooo much better and my clothes fall off of me. It's a miracle pill but keep up with water intake and working out. :)"

   
10

Lisa g. (taken for 1 to 6 months) July 22, 2016

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For Weight Loss: "I haven't started taking yet,but wanted to know if anybody taking this med and on insulin and still lost weight?"

Helpplease35415 July 22, 2016

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For Weight Loss: "I'm 5'2 starting weight of 242lbs I've been on phetermine for 3 days my current weight is 234lbs. Not bad for the firsts 3 days. At first-generation medication made me dizzy but only the first day. I feel emotional I also have slot of energy which is good cause I feel great instead of sluggish . Hope u all have a good journey ."

   
9.0

Emjayy (taken for less than 1 month) July 21, 2016

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For Weight Loss: "I've been taking phentermine 37.5 for a while now, since June 7, it is now July 20 and I have only lost 8 pounds. I don't have an appetite at all, I have to force myself to eat, I think it's only like 1000 calories a day if that. I have really bad heart burn and have some insomnia, other than that I haven't experienced anything else. I am 5'6 and started off weighing 180, I'm down to 172. I did have an episode of jitters, tingly arms, rapid heartbeat, and cold sweats but I ate an apple and I felt much better. I'm not sure if the pill is actually helping me lose weight, since I've been on it for 44 days and have only lost 8 pounds."

   
1.0

A M (taken for 1 to 6 months) July 20, 2016

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For Obesity: "Age 29 Female Height 5'5 Started taking phen 7/11/16 37.5 mg and lost 5 lb in 4 days i ate healthy and lots of water. starting weight 265 now weigh 260 as of 7/15/16 .i walked 2 miles daily... Loving the energy it gives me.. only thing i hate is the dry mouth and tossing and turning all night... My next weigh in will be on 7/20/16 .."

   
8.0

ProudMomof4 July 20, 2016

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For Obesity: "I been taking the pill almost a month the first two weeks I loss eleven pounds. But I be up all night and have to work off of two hours of sleep. I stop taking them and called my doctor, he told me to take a 1/2 pill and if I still be up all night then stop taking them."

   
7.0

Heaven24 July 20, 2016

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For Obesity: "I know phentermine works for different people in different ways. When I first started phen37.5, July 7th. I felt no extra energy. Appetite suppressed very little, dry mouth and a small headache. I started at 199, and now down to 194. (5 pounds?!) Not much weight loss in 12 days. I drink only water, some with added lemon to it. Calories are about 1200-1300. Healthy foods, like chicken, fish, apples, banana, salad, tuna as examples. I take it about 8-830 am. Side effects thus far are, dry mouth, headache mid day, lack of sleep. (insomnia) A little disappointed in results this far. I forgot to add, I also exercise 4 days a week doing walks, brisk walks, and exercise bike totaling 2 hrs. day. There should be no reason I'm not losing more :("

   
7.0

bella-bee (taken for less than 1 month) July 19, 2016

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For Weight Loss: "In one week I lost 5 pounds. I continue exercising, but I eat a lot less! This pill totally curbed my appetite, and food that I used to love doesn't seem appealing. I'm already making better food choices, and the pill has forced me to do so. How? Again, because food doesn't look so great. I really pay attention to what real hunger feels like, and my stomach tells me so. So if you are an emotional eater or social eater, this pill will help you avoid that bad habit. The only side effect that I can identify is that my body feels a little strange and tingly. I have been feeling really tired (opposite of the extra energy others are reporting). Positive side is I already feel better about how I look in my clothes."

   
9.0

Mom on the go (taken for less than 1 month) July 17, 2016

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For Obesity: "I have struggled with my weight for years. I am 5'7" tall female. I started taking phentermine on July 13, 2016. My starting weight (my highest) is 268. I had lost about 20lbs on my own. When I talked to my doctor about my problems with my legs and how my weight seemed to have stalled, she recommended this. I go back next month for my 1 month follow-up. One thing i noticed is dry mouth. My goal is to get down to between 160 to 180 by Christmas. Next week I plan on going to the gym to walk on the treadmill. Wish me luck."

   
8.0

T Hartford July 17, 2016

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For Weight Loss: "5'1 222lbs started Phentermine 37.5mg June 14, 2016 now July 13, 2016 DOWN 22lbs and DROPPED 4 1/2 INCHES!! This pill is so GREAT! Appetite control is severe, sometimes I would forget to eat but your body definitely will let u kno once you have tapped out of nutrition! Mouth dryer than cotton helps with the daily water intake! I exercised 3 to 5 days each week and the pouring sweat didnt wait to drip. Heavy sweat! Still maintained portioned meals and sometimes just a few healthy snacks if i missed a few meals! Im so panicked that Im out of Phentermine and dont see my doctor until August 8, 2016! Im waiting on my next monthly supply to Drop more Pounds and Inches! I encourage everyone to stay focus and dont be hard on yourself! Beautiful!"

   
10

EbCakes (taken for 1 to 6 months) July 14, 2016

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For Weight Loss: "43 years old female 5.2ft starting weight was 186. Started taking phentermine a few days along with working out twice a day 6 days a week. Got down to 175lbs. Ran out of pills energy level declined. So did my workout. When I saw I was starting to get out of control, I made an appointment to see my doctor. July 8th 2016, I weigh in at 180lbs. July 13th 2016, is my first day back on them. My energy level is Amazing. I have walked the track 5 xs. Came home rest a few hours and got on the treadmill for 74 minutes. My appetite is completely gone. I have been drinking lots of water. I love to work out and I will continue to exercise twice a day. 6 days a week. My target weight loss is 110lbs by March 2017 for my next cruise."

Kima73 (taken for less than 1 month) July 13, 2016

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For Weight Loss: "I am a 31 yr old female, I weighed in at 207lbs and a height of 5'3. I started taking Phentermine 30mg around May 15th. I went in for a 30 day check up and I was down 17lbs. I wasnt hungry at all, most days I wouldn't feel like eating untill lunchtime, then I would take a pill with a bottle of water before lunch then eat a small lunch, and an even smaller dinner. I would try to walk for 20-30 minutes a day, sometimes more, sometimes I wouldn't get a chance to walk at all. The doctor was very pleased, as was I. He perscribed me for another 30 day perscription... But... I have done everything the same this round and haven't lost any weight at all. I have even threw in some extra walking. Has anyone else experienced this?"

   
8.0

AmyInNy July 13, 2016

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Fastin (phentermine) for Weight Loss: "Made me super sick. This was my first time trying it, I took the prescribed dose, and I've been trembling out of my skin for the last hour. My blood pressure is through the roof and my heart rate is 141 bpm right now. I'm also nauseous and would be at the emergency room right now if not so terrified I'd crash my car if I tried to drive."

   
1.0

Anonymous July 12, 2016

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For Weight Loss: "40 yr old female. 5'3" Started on 37.5 mg of phentermine, July 9th. Starting weight was 200.4. Today is July 11th and I weigh, 194.6. I'm sure its water weight, but I'm still losing. Yay! Haven't been able to get much sleep since being on it, and dry mouth, hence the water increase. Don't feel hungry, but I do eat. I'm curious as to how much more I will be able to lose. First goal weight is, 170. Second goal is 150."

   
8.0

Zzkittenzz (taken for less than 1 month) July 12, 2016

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