Phentermine Anyone Have Strange Side Effects? (Page 7) (Top voted first)

I just started taking this medicine for weight loss. I am having hot flashes and cold chills, terrible headache and a tingly head. I feel awful. Has anybody taken this and had the same reaction? If so did it pass after a few days? Gotta say this...I am not ever hungry! Like to hear from anyone that has taken this med. Thanks :)

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Yeah it's about 45-55 minutes to Mount Pleasant depending on traffic.

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Hello, I'm on day 4 of taking Phentermine 37.5. I was prescribed this medication to help reduce my appetite so that I could form better eating habits (learn to eat less). I was literally binging on food and ultimately ended up weighing the most I've ever weighed in my whole life and feeling pretty darn miserable about it. I'm in North West Illinois (close to the Mississippi), would be nice to have a weight loss buddy. More importantly I am here to ask if anyone has experienced feeling "wired" and not being able to sleep at night? Does this symptom get better?... and if so, how long before I can have a good night sleep again? I am an early morning person, I usually wake up before 6am, and that's when I've been taking the full pill, throughout the day I have felt a bit "wired"/"energized" but my pharmacist did tell me that it was a STIMULANT and as I'm not a caffein drinker, i would experience a bit of this, so I'm not too concerned, it's more the sleeping portion - it's really bothering my husband that I'm a bit of a zombie at night. Any help/concerns please respond - thank you! ~Mel

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Hi, the first time I ever took this pill I couldn't sleep. I would feel dizzy, throw up and was not hungry at all I lost 20pounds in a month(145lb-125lb). 4 years later I tried it again I still could not sleep felt a lot less sleepy and dizzy then first time. I wasn't throwing up I lost 25pounds in that month(140lb-115lb). Now 5years later after having my first baby I weighed 190lb I had gained 45pounds during my pregnancy. I lost 40pounds in 3months by eating healthy but then I hit a dead end. As much as I cut my porsion, excersiced, drinked a lot of water I gaind 12pounds so I started taking the pill again. I felt dizzy the week I was in my period. I sleep well and don't throw up. So far ived lost 16pounds. I guess your system is not use to it that's why your body reacts the way it dose.

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i was taking phentermine first acout 10 yeArs ago in 3 month i lost 40 lb. i felt great , no side effects , dry mouth only. i had also a lot of energy, it felt like i never tired until i got to bed...then i fall a sleep right away. again, i felt GREAT....few years back i thied to take it again, 37.5....i tried with a quarter of a tablet....my heart raiting went so high that i couldnt take it...the next day i tried again and felt terrible ! so, phentermine is really works for loosing weight...of course , if you can handle the side effexts! i tried a lot of different things, all natural..like a new green cofee, nothing ever worked for me.

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I just started taking it on the 22nd.. the first 3 days were great, no side affects or anything and I had lots of energy and motivation.. but today my stomach hurts, like I'm starving but I don't want to eat and I'm VERY emotional and irritable. I took only half of 37.5 mg the first 3 days and took a whole one today. Should I go back to half?

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I have been taking phentermine37.5 Mg for a good while,but recently I started taking both of the phentermine 1) 37.5 @ 6AM 2) 330Mg @noon or so. Yes it dis keep me up at night and I do get the hot sweats really bad.Its alright I'm sweating the calories right! Recently I don't know what this may be caused from too much of the phentermine, but I just experience the worse menstrual period anyone can have... I started the 12th and still on my period. These past three days have been the worse!!! Extremly heavy.I've always been the longest 3-5 days and regular. Not even super tampons can help me. I'm misrable and I don't know if its too much of the Phen? This has been my second round of being faithful to the phen where I lost a good 40 pounds like quick in 3months. I lost the weight and quickly after I got pregnet;) as soon as I stoped breast feeding I started taking it and it seems the phen is not helping me as much as it use too and I don't know what's up with my cycle if it has something to do with the pills. If anyone has experience this plz.let me know..

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I believe phentermine has changed it's formula...be sure that you ate getting the pills that are elongated, not the more oval ones with less blue specks. I'm experiencing depression and hunger on this new phentermine. Probably a different manufacturer...but either way, I don''t like the changed pill.

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Changed since when? Mine are kind of rectangle shaped with the corners slightly rounded and has blue specks. Same one since I started in the spring. I've even switched pharmacys and its the same looking one from both.

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I recently started taking phentermine 37.5 and since taking them my sinusis have began draining in my throat extremely bad. Has anyone experienced this side effect?

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I'm kinda worried. I just got my prescription today, so I took half of the 30 something dose at 3 because i wanted to get started. Now I'm worried I won't be able to sleep tonight. My dr. told me to start out on half so I will do that for this week. Anyone ever taken it this late? What am i in for?

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I was prescribed Phentermine 37.5 today and took my first one around three this afternoon...I don't sleep anyway so I didn't really see the big deal. So far I have experience this God AWFUL headache that seems to keep coming and going, dry mouth and this weird taste....I was given this medication to lose the 25 pounds that I gained in TWO months while taking Effexor. My normal weight is between 125 and 130 and I am just wondering about how much should I expect to lose in a month? Thanks guys!

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It varies for everyone. I lost 12 lbs my forst month, then I think 8 the next then 6 and now it's 2-4 a month. I hardly ate my first 2 months cuz I was never hungry. I slowly started eating again but about 1/4 of what my roommate eats, then I'm full

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Will your doctor not write you another in 30 days? I've been on it since March and I have to go every 30 days to get weighed and get another script for it. Being a controlled substance they cannot write refills on the script, atleast in my state they are not allowed too.

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She is my OB and has been my doctor for a few years, so she knows everything i have been through and why i gained the weight but she wants me to see my primary doctor.. Problem is I don't have a primary doctor. So I'm in limbo trying to figure out what I will do if she denies the new prescription. I wont to continue and kick this weight's ass! Hopefully this will all be okay tomorrow and i can push forward but I'm hoping that I wont have to find another alternative to keep on this. My goal is to be on it for 90 days and then taper off and hit the gym.

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I hope so.. Ill reply on here tomorrow with some good news hopefully. :)

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Alright good news everyone. For the time being she is going to write another script and i will come to her office just to monitor my progress and periodically check BP and vitals. Very excited for this change in my life and hope to keep the progress reports going! 22 lbs and counting! Good luck everyone!

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Ladies the hot flashes is your metabolism jumping up, I have went thru it, but it happens when it wants to. As to when you stop taking the meds, the first time I didn't gain the weight back but the second time I did. It's hit or miss with this med.

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What walmart offers generic at $12-16 /30pills? Our local store in Central FL has them around $30

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Congrats keep up the good work.

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Hi I been taking phentermine I started at 15mg. N then my dr bumped me up to 37.5 n I went back to my dr 2 months later n he has me on 52.5mg but IM getting dizzy,light headed, n my mouth is so dry n I got a nasty taste in my mouth , is any one taking more than 37.5mg?

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