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.
Compare all 54 medications used in the treatment of Weight Loss.
Reviews for Phentermine to treat Weight Loss
Review by Jennay1143 (taken for less than 1 month):
phentermine: So it's officially been 1 week since I've been on Phentermine 37.5. I've lost 9 lbs. so far. My confidence is building, I started at 195.1 and am down to 186.1! I did work out a little just doing some home exercises, and eating right and counting calories as well. I wanted to Lose 55 lbs...46 to go!
Review by BEST KEPT SECRET (taken for less than 1 month):
phentermine: Started phentermine on 3/2/14 and I am so excited about the new me that is going to emerge- after reading all of the stories that have been shared about weight loss with this medication I am super excited- for the last two days I have had to make myself eat and to my surprise I haven't even had a second thought about any fast food or junk food and that my friends, is saying a lot right there.
I was weighed on 3/2/14 in at 303lbs and I am 5"9"- 37 years old, 1 daughter who just made 18 and I am single- sounded like a perfect time for a lifestyle change- my goal weight is 170lbs by October of this year- I understand that I have set the goal extremely high but its something that just has to be done. Wish me well and kudos on your shared success.
Review by Bellagirl21 (taken for less than 1 month):
phentermine: Began taking the 37.5 mg version on 2/23/14 and I've lost 7.8 pounds in 6 days--tomorrow will be one week. I've gone to the gym 5 of the 6 days for 50 minutes of elliptical workout. I've been eating just under 500 calories a day, and I have to make myself eat because food doesn't seem appealing at all--it's the weirdest thing. I take my pill at 11 am and have no trouble falling asleep around 10:15 pm. Will post again next week with more details. I'm 5'7 (and 1/2) and started my diet at 191.6 pounds.
phentermine: I started taking phentermine on February 14, 2014, Since then I have lost at least fifteen pounds and it has not even been a whole month yet, this is awesome, I work night shift so it keeps me up all night and gives me plenty of energy, I hardly ever get a chance to work out because I have three children that crave a lot of attention, this stuff is the best thing since sliced bread! I don't think about eating, I will force myself to eat a little bit of something healthy every few hours, the side effects were scarey the first two days but after that my body pretty much got used to them. Anyone looking to lose weight this is most definitely a jump start way!
13 users found this comment helpful.
phentermine: Been on phentermine 37.5mg for 2 weeks and I'm down 16lbs. My fast food cravings are nonexistent, I almost have to remind myself to eat every day, I have the energy that I didn't have to keep up with my 2yr old daughter. I've tried any OTC supplements you can think of and had no luck. I go to the gym for an hour, 4-5 days a week and didn't seem to get the extra weight off. This pill with a regiment of B12 and lipotropic injections gets the job done. As for negative effects... Only complaint is the cotton mouth. Other then that there is nothing bad to say. The energy high is amazing. Of course the B12 helps as well.
11 users found this comment helpful.
Fastin (phentermine): I just started using Fastin and I like it better than other diet pills I've tried such as Hydroxycut because it doesn't make me feel sick/ nauseous. BUT it definitely makes my heart rate skyrocket, so for the first couple days I would only take half a pill at a time. A full pill makes my hands tremble and I can hear my pulse in my brain.
14 users found this comment helpful.
Adipex-P (phentermine): Update after 7 days:
Starting Weight: 161.4lbs
Current Weight: 158.4lbs
I started off taking a 1/2 tablet in the morning, 30 mins before breakfast. First few days were okay, took the edge off hunger for sure, but I felt unfocused. On day 5, I traveled out of town and started feeling a little nauseous, so I held this medicine on days 6 and 7. I slept so much these two days and was very hungry. I was just so relieved to not be nauseated that I allowed myself to eat some not so healthy foods on these two days. This is partly why I do not think I lost much weight this first week.
I started back on my 1/2 tablet regimen this morning and feel quite good. I think the nausea may have been related to a certain food I had eaten.
Review by Bride101814 (taken for less than 1 month):
phentermine: This is my second review, last time I commented I was at 205 LBS and 11 LBS lost in two weeks. At third weigh in on 2/22/14 I lost another 4 LBS and now weight 201lbs. I went from 216 to 201 in 3 weeks. I would say yes, phentermine definitely works to curb my appetite. My next weigh in is March 1, 2014. I hope to be under 200 (fingers crossed). I don't want to get my hopes up since I've already lost "a lot" for the first month according to my Doc.
Adipex-P (phentermine): Day 4, taking 1/2 tablet of the 37.5mg. Decreased appetite, more energy, some dry mouth here and there. I've noticed at some times a decrease in concentration, like a foggy feeling. Nothing too bad, but a little off my baseline. Haven't weighed since day 1. Hoping to lose 15 lbs this month. I like that I don't feel "cracked out" but I am hesitant to up my dosage yet. I'll keep taking the 1/2 tab until I get really used to it. Once I reach my GW I plan to wean myself off in the same way. Will update.
16 users found this comment helpful.
phentermine: I am 61.5 inches and I weighed 179 at the first Dr. apt. for 41 years old that is not a good place to be but with the medication I am hoping to drop 30 - 40 pounds... First day I had absolutely no appetite, was awake longer than normal but I did finally sleep. Day 2 I still had no appetite but I did force myself to eat little bit easier of a time sleeping still up later than I wished but once I fell asleep I was out. Today is day 3 and I weighed myself and I am down 173lbs, 6 pounds in 3 days I am Ecstatic! I have been exercising by doing Zumba and lifting weights it is amazing to me how much energy I have. I can do an hour of Zumba. I sweat like crazy so you need to remember to drink a lot of water. Hope to meet my goal in no time.
16 users found this comment helpful.
Review by Jordan Stewart (taken for 1 to 6 months):
Adipex-P (phentermine): I love love love Adipex! It took me about a week to get used to all the side effects but when you realize how much weight you are losing the side effects aren't even in your mind anymore, I started taking Adipex Jan 24th 2014. Weighing 210 pounds. Today is now Feb 19th not even a month later and I now weigh 185. That is 25 pounds down in just one month. I work out (run a mile, ellipitical, 20 min abs) 5 to 6 days a week and I only eat 1000 to 1300 calories a day! This pill is amazing and everyone needs to try it, that is wanting to lose weight.
37 users found this comment helpful.
phentermine: Really has not reduced my appetite. I have tried this for 30 - 90 days, 3 different times. I also get a side effect that is not listed, but after the 3rd time using this, I'm 100 % sure that it causes a sensation of burning on the tip of my tongue. It stops after a few days of not using the medication.
phentermine: I started Phentermine January 10,2014. I weighed 258. My first one month check up I weighed 228! I lost 30 pounds! I currently weigh 224! My second check up is March 13. I plan to weigh 200! Keep up the good work ladies! My goal weight is 150!
60 users found this comment helpful.
Review by Bride101814 (taken for less than 1 month):
phentermine: I started using phentermine 30mg on 2/1/14. My starting weight was 216 (I'm 5'3")...on 2/8/14 I weighed in at 209 and on 2/15/14 I weighed in at 205 (while on my period, which usually makes me gain 4-6 lbs) 11 LBS in two weeks is soooo motivating. I was recommended the Atkins diet but I workout really hard (power lift, insanity, boot camp) so for the past two weeks I didn't do the practically no carb plan I was given, but I did lower my carbs significantly (I used to eat a lot of oats, wheat bread, sweet potato) the doctor said I'm doing great because most people my age, height, and starting weight, lose about 10LBS a month. Phentermine curbs my appetite like nothing ever has and I'm loving my results so far. I'll update next week.
30 users found this comment helpful.
phentermine: I'm on phentermine for the 4th time. I told my doctor I want a life long IV drip of the stuff.
It's a miracle in a bottle. It cured my sluggish tired feeling days...made me up beat, happy, motivated for daily tasks (which are many with four small children) not to
mention it not only suppresses physical appetite but the all powerful emotional appetite. My brain quits telling me I need food to feel better!
I've lost a lot of weight on phentermine.
Here's the catch. You can't stay on it forever. Being that I'm on round four ...hopefully I can keep it off this time. I have also experienced the dry mouth and heart palpitations (hopefully harmless). Be strong when you are done and don't gain it back!
20 users found this comment helpful.
Review by Trying again! (taken for 1 to 6 months):
phentermine: I started Jan 4th at 262lbs, weighed in at 253lbs. I hike every weekend and dont snack as much. I try to eat low calorie soups for lunch vs sandwhiches or hamburgers. I still need to modify my breakfast to a lower calorie version. So far, I'm okay with it. I need to be 180lbs and under.
17 users found this comment helpful.
phentermine: I have been on Phentermine 37.5 now for a month. Prior to taking Phentermine I have tried everything! Exercise(Tae Kwon Do, P90X *with trainer* and Insanity *with trainer*), changed my diet, did everything I could to lose weight. Nothing helped! After finding out I had an hypothyroid Doc put me on some meds, and also put me on Phentermine 37.5. So after the 1 month of being on this, I have gone from 338lbs to 311lbs. At the beginning the side effects were bad! Always felt drunk, sweat all the time, couldn't sleep, and ALWAYS *even now as I type this* having a dry mouth! I have no hunger, and only know I am hungry when my stomach hurts. So, this works... just be ready for a roller coaster ride in the beginning. Good luck!
39 users found this comment helpful.
phentermine: I posted a thread on January 31, 2014. I weighed in on Friday at 172lbs. I am roughly 66inches, I've been taken this medicine for a week, and I have lost 10lbs. I weighed in about an hour ago and I am 162.4 pounds. I would say, its working. My goal is to get to 157-160lbs.
31 users found this comment helpful.
phentermine: I have used them since October. I couldn't lose weight needed a bit if help with the passing of my Mom. I am a stress foodie. I went to the doctor and told him I needed help how about the lap band he took my vitals my weight BMI pretty much a physical and told me my BMI had to be 40 in order to get the lap Band mine was 32, so he prescribed me phentermine. I have anxiety so I take 1/2 a day. It makes you choose better food. You eat healthy. I sleep better now than ever. Lost 40 so far.
25 users found this comment helpful.
Review by Juwokatema (taken for less than 1 month):
phentermine: I'm 5'3 184lbs (starting weight) I started taking this on Jan 29. Small pill easy to swallow. No nasty after taste. I take my pill when I wake which is 6:30am only because I've read reviews where they could not sleep and I didn't want the problem. 15-30 mins after ingesting the pill I also experience the jitters. Which can be easily taken care of by just eating breakfast. You're full an energy all day, the 1st day it did not suppress my appetite like I thought it would, so I went on eating as normal. Day 2 took the pill 6:30am shortly after I get the jitters, I eat my breakfast, the jitters go away. Day 2 jitters(just eat) dry mouth (drink water), energy, no appetite, and insomnia. I only got 2 1/2 hrs but felt great in the morning!
18 users found this comment helpful.
phentermine: I began taking phentermine on December 2nd, 2013. I also began the paleo diet at that time. I truly believe that I couldn't have maintained the diet without phentermine. I have no cravings for pizza, burgers and such. I allow myself 1 day every 2 weeks to eat whatever I please and it's hard to shovel in an unhealthy amount of food. I'm a 48 year old male and weighed approximately 178 lbs when I began. As of January 28th, 2014 I weigh 158 lbs, just 5 lbs shy of high school skinny. I go to the gym 5-6 times per week. I lift weights and do HIIT (high intensity interval training). When I look in the mirror I'm very pleased with my appearance. Not to sound boastful, but I look damn good for a man my age. My 30 - year class reunion is in 3months
19 users found this comment helpful.
phentermine: I am 5'3" and I started with the weight of 140.6lbs 2 weeks later now I am 131.6 pounds. When I started taking the pills I would only drink half of the pill and would give me bad side effects like speeding my heartbeat, dry mouth, paranoia and nervousness so I skipped it one day on the first week. Then on my second week and so on my body got used to it. I've started on January 15th we'll see how much more weight I'll be losing by February 15th. I'm so excited can't wait.
17 users found this comment helpful.
phentermine: I have lost 38 pounds on this since September, 2013. I am on a diabetic diet and a fitness program also. This medication has helped me a lot! Taken the edge off the hunger and helped me get my glucose levels under control.
There are some side effects, but many of them went away by week 3. Metal taste in my mouth, headaches, constipation (has not gone away), and dry mouth/bad breath.
This is not a miracle pill. You will have to work hard, and make good choices. My Doctor is helping me learn how to make better choices and make healthy living a part of my life. I plan on being on this medicine ONLY until I can successfully learn how to control my glucose levels and follow a plan consistently.
10 users found this comment helpful.
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