Male Sexual Side-Effects? HELP!!!!
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  1. #26
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    Default male sexual side effects

    Hi DSmart! We would recommend bringing these changes up to your prescribing doctor. While sexual side effects are a common occurrence with phentermine, and often go away in a couple of weeks, they're also very distressing (as you know). Your doctor can help you find a solution faster, and advise on your treatment going forward.

    You may also be interested in this blog post about Phentermine for Men.

    Best of luck!

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  3. #25
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    Default Also suffering from this, Im just 27 years old!!!

    Does this really dissapear within a week? I feel like my penis is shrinking and my testicles as well, the sack used to hang, they just hide now and my penis used to be atleast 2 inches bigger, Im not the biggest man in the world but I had my decent 7 inches, and now it looks like 5inch to be honest, also I have that horrible watery ejaculation that only makes you feel like you are urinating and it doesnt have the same pleasure as to when solid semen comes out. Im really concerned about this.

    Sorry for graphic words but its the sad truth

  4. #24
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    Quote Originally Posted by Timks View Post
    I think you should talk to your dr about this. Also Dont forget to drink plenty of water. Not just a glass or two but more like a gallon of water a day. May help your manly hood ;o) Keep your spirits up and go see your dr.
    Be aware of the quality of water as well. There're new filters with alkaline pitchers which gives more control over your water.

  5. #23
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    Default semen without orgasm

    Another penis here, havin' issues.
    I have been on Phentermine for over a month now and the sexual side effects have gotten a bit pronounced. (this will be detailed)

    At first, I just noticed that I lasted way longer. Then I noticed that I was going limp easier. Then I noticed a pre-ejcaulation issue.
    My most obvious issue has been the pre-ejaculation one. I notice that during sexual activity, if I "edge" ("Edging" is keeping yourself from orgasming and maintaining yourself at slightly before the 'point of no return'), semen just dribbles out. I think this would be referred to as PE (premature ejaculation), but I would like to be clear that it is NOT an orgasm when semen dribbles out like that. It feels like you are urinating, it's like you unintentionally let go of the semen that your PC muscle is supposed to be keeping inside.

    When I DO get myself to orgasm, it is the same rush of pleasure that I always get but without any of the semen that would have otherwise shot out. I want to reiterate that it seems to be my PC muscle which has been what is affected by this. This muscle controls how strong your semen shoots out as well as keeping your semen inside of you during sex. Only when I am off Phentermine for over a day will my sexual side effects go away. It does not take long for me to be able to "shoot" again.

    I can also confirm that it definitely does have an effect on how hard your penis gets and how long you stay hard, I have experienced the same side effect mentioned before where I will be having sex with my partner and if we do anything non-stimulating at all (such as change positions) my erection immediately goes away/gets too soft. Has anyone else had this same issue with their semen just dribbling out like that without orgasming and being able to have a "dry" orgasm after??

    And since we're all posting about how our partners are reacting to these side effects, I'd like to say that my boyfriend is actually enjoying change of pace that the side effects have given us. I definitely last FOREVER now and he's actually loving the fact that semen just comes out unexpectedly during some sex acts. I guess it just depends on how willing they are to get you hard again lol, my partner sure doesn't mind.

  6. #22
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    Default Thank god

    Quote Originally Posted by Igotyouboo27 View Post
    Hello All,

    So, I've been taking phen for almost 3 months now and I've lost weight, but and excuse me for being so graphic; when I release fluids (cum) it kind of burns a little? This has never happened to me. Like with all men, it feels great to release; but not since I've been using phen. It's almost like I have to pee and it's stuck in my tube, so when the cum is coming out, I don't know what I'm saying, but this has to be a side effect of this medicine? I've read all the post that everyone has written and most people are saying it should go away after I discontinue the pills. I want to lose 70 pds, so I have at least another 2 months to go. Maybe I should just stop sexual play until then? Just wondering if anyone else felt like this.

    Thanka

    Dee


    I am so glad to read this particular post. I am having the exact same issue. Feels like a small kidney stone almost except it's just when I "finish". Am also having ED issues. Glad to read it's a side effect of the meds. Weight loss is dramatic, I'm down 27 lbs in 5-1/2 weeks, but am really missing sex right now.

  7. #21
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    Default Errection issues

    So I have been on phentermine several times. I have noticed these side effects with me. I only want to talk about them so other men or women who read this have a better understanding of what happens to a man.
    First I have to use the restroom more often, however when my dose gets increased I can often stand at a urinal and have an issue going. Therefore I would start going to a stall. It felt like I was never finished going to the restroom and on several occasions I felt like I had to go immediately again.
    Second I have the urge to have sex with my girl, my mind is in good order and it seems like everything will be fine. Nope we start and it feels like if we stop for 1 second I go limp. Sometimes no matter what we do I cannot get hard. This is very frustrating for me and messes with me mentally a lot.
    Third it does appear that you get smaller from being on Phentermine. That or it's just the fact it's never truly that hard while on the medicine.
    What I can say is this, the medicine does help me lose those few pounds I tend to put on every two years or so. The good news is this all the side effects that I listed go away after about going off the meds for a week. So let your lady know what's happening ahead of time and reassure her that she is still the goddess she has always been. Plus once you lose those few pounds you will be better than ever. Until then pleasure your woman, it will come around ten fold.

  8. #20
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    Default Erections Back

    My question is, is there any other pill I could take, along with the phentermine to bring back my erections? Also, once I stop taking the phentermine pills, will I gain my erections back?

  9. #19
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    Default Sexual Side Effects

    Hello All,

    So, I've been taking phen for almost 3 months now and I've lost weight..

    Dee








    Quote Originally Posted by james60 View Post
    I had similar effect,i take 37.5 mg
    and i get edgy,also,my erections are almost never,sleep is bad,and what bothers me the most is dimished penis size!,its stays like you just jumped in a frozen pond.even if i shower hot,it stays the same,its a big problem,so i tried cialis with this and it did not work,so all i can say is i hope not to be on this for along time,but i am loosing weight,some noted that testicles shrink,but not for me,but it does seem to make the girth and lenghth dimish to nothing much,anyone else have had the same result???
    Last edited by Igotyouboo27; March 6th, 2018 at 07:12 AM.

  10. #18
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    Default please help

    My husband is taking phentermine 37.5 mg for weight loss. However, since that he started to feel problems with his erection. is it possible that phentermine affects his ability to perform during sex?

    heeelp

  11. #17
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    Default sexual side effects

    I had similar effect,i take 37.5 mg
    and i get edgy,also,my erections are almost never,sleep is bad,and what bothers me the most is dimished penis size!,its stays like you just jumped in a frozen pond.even if i shower hot,it stays the same,its a big problem,so i tried cialis with this and it did not work,so all i can say is i hope not to be on this for along time,but i am loosing weight,some noted that testicles shrink,but not for me,but it does seem to make the girth and lenghth dimish to nothing much,anyone else have had the same result???

  12. #16
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    Hi all,
    I have been taking Phentermine since April, and I have had the same ED issue for a while while on it. Granted the 70 pound weight loss is great, but this has been frustrating. My Dr. put me on 20mg Cialis. I take it every 4th day. that helps, but my Wife cannot keep up. Just be aware that if you go my route with Cialis, you may have to get a "hand" in relieving your tensions.

  13. #15
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    Default

    I'm a 31 year old male. I've been on Phen for 4 days now (37.5) and everything has been working fine in this area although it was a solo area.

    Didn't notice any difference in size guys, i'm pretty average so maybe I didn't notice it. When the wife & I decide to get it on I'll see if she notices anything different. Trying not to be gross but like I said I was curious and had a solo run after 3 days and what I did notice was quite a bit of more semen than ever so perhaps this is only happening at the start & I'll have the above problems later on, we'll see & I'll update again in a week.

  14. #14
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    Default

    I'm a 38 year old male and not taking any other medications. As far as I know I'm not allergic to anything and I have taken an allergy test. I took my first whole 37.5 mg Phentermine pill and I started having urinating problems about 3-4 hours after. The next day same thing. This is kind of embarrassing but I figure it's best to put the info out in case someone else is searching the net with the same problems. I also noticed, very quickly I might add, that my ejaculation fluid is around 3-4 times more and my libido has increased. Just for the record my libido was high already. It just doesn't stop producing I can keep going right after. I haven't noticed any thing else but this is only day four.

  15. #13
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    Default Impotence

    good post....
    Last edited by AlvisWilson; January 21st, 2013 at 06:31 AM.

  16. #12
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    Default Ed cure

    I have the same problem with urinary but ed problem is big problem. http://www.levitraportal.com helps me so much. A problem with wich ed medicine is better http://www.impotenhealthcenter.com I try everithing. But cialis is the most powerfull ed drug. Sorry for my english.`

  17. #11
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    I just started phen 37.5 a few days ago and I'm seeing the exact same problem as s5cents.

    But by the sounds of it, this particular side effect will go away soon. So I guess it only took you a few days? Thanks.

  18. #10
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    Bumping this Thread for KLAUS
    Hi, I'm Roc & I'm on the weight loss rollercoaster as well as a 42 yr. old - mother of 3 year old twins. An entirely different rollercoaster
    1/9/08 228
    1/19 210
    2/09 215
    2/12 210
    3/11 206
    3/21 200
    4/13 199
    5/18 198
    6/6 201
    7/10 210
    7/21 199
    8/26 199

  19. #9
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    WooHoo s5cents - that is GREAT news.
    Hi, I'm Roc & I'm on the weight loss rollercoaster as well as a 42 yr. old - mother of 3 year old twins. An entirely different rollercoaster
    1/9/08 228
    1/19 210
    2/09 215
    2/12 210
    3/11 206
    3/21 200
    4/13 199
    5/18 198
    6/6 201
    7/10 210
    7/21 199
    8/26 199

  20. #8
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    Smile MY OWN RESPONSE

    Well, I'm responding to my own post hoping this helps some poor guy in the future.

    When first freaked out, I went to the doctor and she checked me out. Basically said it was side effects of phentermine, nothing permanent, and that hopefully it would go away. We decided to try a different dosage of the medicine - but I decided I'm fat and screw it I'll just keep taking it.

    Well the side effects went away. I'm finally able to sleep (6 solid hours woohoo!), and everything else is looking and working normally as well. I have to admit that after a few days, when we were finally able to make it work it was well worth the wait!

    I think the combination of noticing the change, worrying about it, and my initial "high" from the medicine mixed with 2 days on 4 hours of sleep total just made me a little neurotic.

    Everything's good now!

  21. #7
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    Default

    D.a.m.n. men, sorry but some of the ladies here, including me, can't get enough. I hope your partners have patience.
    LBS_Be_Gone
    SW : 212 October 1, 2007
    CW: 197 November 30, 2007, started apple detox
    CW: 194 December 1,2007, day 2 on apple detox
    CW: 191 December 2,2007, day 3 on apple detox
    CW: 190 December 3, 2007 finish detox (lost 7lb total)
    CW: 193 December 10, 2007 sick this week, no work-out
    CW: 195 The holidays(ate like a pig)
    CW: 188 First weigh-in for the new year (21 day Daniel Fast)


    GW: 150 by my anniversary May 5, 2008

  22. #6
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    Default I HAVE SEXUAL SIDE EFFECTS TOO!

    As the user previously posted, I have similar sexual side effects. I am only on my 3rd day of taking phentermine.

    May be graphic, but I am hoping the previous poster (although it was back in September!) can respond to this to let me know if the side effects went away on their own or if you just had to stop taking the medicine.

    I have a similar raised scrotum and smaller than normal penis (when flaccid). I have very little sexual desire. I'm 25, so this is not normal for me. I generally have some sort of sexual activity at least once a day, and have never before had any type of sexual problem.

    Last night, after waking up in the middle of the night after my pleasant three hours of sleep that phen will allow me to have, I was able to get an erection...but that's it. No ejaculation seemed to be possible...not good when someone is trying their hardest to make it happen. As soon as we gave up, soft almost immediately.

    Does anyone have any insight on this? I would think that this would be a very popular subject if it happens to other men - this is something that you tend to care about more than a little jitter.

    Mainly I'm concerned about long term side effects and/or impotence. If this is something that will only happen when taking the medication, then it may be worth it to go a few days on/one day off to at least be able to have a healthy relationship! But if this is a long term effect I will stop immediately.

    Any ideas, comments, suggestions are greatly appreciated (besides "go see your doctor" - obviously, but I can't get back in until Wednesday)

  23. #5
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    Default I had the opposite problem

    I stopped using Meridia because of the same side effect mentioned, namely, erectile dysfunction. I changed over to Phentermine recently as an alternative. I have only noticed one effect at all. Instead of E.D., I actually have the opposite problem. I have found longer stamina to the point of not having my ultimate satisfaction before becoming totally worn out. The woman prefers this side effect to that of Meridia, and I can deal with it better. I have been on Phentermine about almost two weeks and will see how it goes from here. I have a follow up visit with my doctor in a couple of weeks.

  24. #4
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    Wink Phentermine causes impotence!!

    Hello guys,

    I've taken phentermine several times over the past 15 years @ 1.5 x 37.5mg daily for four to six months at a time to curb appetite.

    It definitely causes impotence! However, the good news is that the impotence disappears within a week or so after discontinuing use.

    It also causes your penis and scrotum to shrink, but thankfully that side effect is not permanent either. They both return to their normal size within 48 hours after discontinuing use.

    Phentermine seems to have an antihistamine effect on me. It clears up my chronic stuffy nose, which -- according to my wife --- reduces my snoring significantly.

    I have also discovered that my urination is 3x -5x more frequent and the output only about 50-100 ml. I thought I had a prostrate problem, but after extensive urology examination they could find no explantaion for the frequent and weak urination. To the doctor's surprise my prostrate was actually smaller than normal. Some months later I stopped taking phentermine and noticed the frequency of my urination had returned to normal.

    Anyone see a pattern here?

    Each of these side effects is directly the result of phentermine causing mucus tissue to contract: urethra, scrotum, nose, prostrate.

    I hope this helps. Tell your wives and girl friends to be patient all will be well as soon as you stop taking phentermine. In the meantime this is a good opportunity to practice your oral sex skills.

    Cheers,

  25. #3
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    no need to worry at this moment. It should subside within the next week.

    Just tell your partner to be patient, and hopefully it'll be worth it, haha.

  26. #2
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    I think you should talk to your dr about this. Also Dont forget to drink plenty of water. Not just a glass or two but more like a gallon of water a day. May help your manly hood ;o) Keep your spirits up and go see your dr.

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