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About PhentermineUse this discussion forum to share your experience with Phentermine side effects. What would you tell your best friend about this product? Please remember that we do not give medical advice. That is for your local health care provider, who is familiar with your medical history. You can use the form below to add your comments, feedback or Phentermine review.
Subj: Blood pressure elevated
I have been taking phentermine for about 5 months starting out with 1/2 pill and after a month going to a whole pill . Only losing 8# and my blood pressure going up, I decided to go off the pill cold turkey. It's been a week that I have been off the drug and my blood pressure is still elevated, 150/90. Before phentermine my BP was always 120/75. How long after discontinuing the drug should it stay in my system, when can I expect my BP to go back to normal?
AskDocWeb: It may take a couple of weeks, have your BP checked twice weekly and chart it. Then if it's still high, bring your numbers to your physician's office for a consultation.
Subj: Blood pressure
I took the 37.5 Phentermine tablet about 9 months ago. I recently went back to the doctor and got the 37.5 blue & white capsules. I've lost weight, and I love how they make me forget about food. I usually take them around 10am, and I've noticed that around 4-5pm I get flushed and feel a little weird. So, I stopped at CVS yesterday to check my blood pressure. It was 158/109!!! I was shocked and scared. I don't think it did that to me last time I took them. I didn't have that same feeling anyway. I do drink a lot of caffeine during the day. And, I'm not big anymore, either. I'm 5' 1" and 122 pounds. I'm still taking them because I haven't reached my goal weight yet. So, I'm wondering if it's the combination of caffiene and the drug, or is it that I may have too high of a dosage, or something else? Should I be worried? Can I still take them and just do something else to fix the blood pressure issue?
AskDocWeb: This sounds like a good reason to be concerned, please consult with your physician.
Subj: Pre-menstrual symptoms
I started phentermine 37.5 on 01/03/08 the same day my period was supposed to start like it normally does because I am always regular. But my period didn't come and I still had pre-menstrual symptoms and I'm continuing to have them with not sign of a period. Is this normal?
AskDocWeb: Phentermine can make your period irregular but you may want to do a home pregnancy test to make sure you are not pregnant.
Subj: Is this normal?
I started to take phen 3 days ago, its was good no appetite but today I felt hungry every 2 hours and if I eat something I get full fast with little I drink lots of water. Is this normal? Or maybe it's not doing nothing for me anymore.
AskDocWeb: Yes, it is normal to have less appetite while on Phentermine.
Subj: Stop and start?
I started taking Phentermine about 4 months ago. I was losing and then was in a car wreck. Can I stop today and start back taking them in a month or so when my knee is better and get the same results?
AskDocWeb: You should consult with your physician before you make any decision but stopping and starting again should not be a problem.
Subj: Happy with the results!
I've been taking Phentermine for 3 months now. I've lost a total of 20 lbs. I haven't had any side effect except I'm always thirsty which is great because all I crave is water. I'm very happy with the results!
Subj: Phentermine over the Internet
I just recently ordered my Phentermine over the Internet and it was 30mg and it is purple and yellow capsules. Does Phentermine 30 mg come in that color? I am very leary of taking it. I usually have Yellow pills (Ionamin). Thanks.
AskDocWeb: If you have any doubts at all, we suggest you take them to your pharmacist and have him take a look at them.
Subj: Ordered Phentermine online
I took phentermine a while back and lost about 15 pounds. I wanted to try it again, so I ordered it online b/c a friend of mine had done that before. When I received the pills, they were white w/ blue specs, but they had more blue than the ones that I had earlier and they were longer and skinnier. They didn't look the same at all. The package did not have any ingredients listed on it and no information about the drug. Should I take them? What should I do?
AskDocWeb: You might take them to a pharmacist and find out what he says about them.
Subj: Health danger?
I am presently using Phentermine and I do feel dryness in the mouth until I eat then I feel fine. On the other hand the place where I got them from the only information they gave me about the product is only curve your hunger and it does that but I just want to know for sure that this product will cause any danger in my health. I want lose the weight and I also want to be safe. By the way sense using the product I have lose 20 lbs. within a month. 258 lbs. to now 238 lbs.
AskDocWeb: The reason Phentermine is a prescription drug is because it poses a danger to the health of some people. Only your doctor can tell if it is safe for you to take it or not.
Subj: Phentermine with xanax?
I am going to start taking phentermine. I take xanax to help me sleep. Is it safe to do this?
AskDocWeb: We found no specific interactions between the two drugs but you will need to consult with your physician to find out if it is safe for you. He is the only one who knows your health history.
Subj: Fentermine in Mexico
I recently bought a bottle of Fentermine in Mexico. I thought it was the same as Phentermine, but it looks different. It is a dark small tablet. Is this the same thing and have you had luck purchasing Phentermine in Mexico at a Farmacia. Lots of Farmacia's advertise Fentermine in their front windows.
AskDocWeb: It does not sound like the same thing. There seems to be a lot of copycat products with similar names that do not contain the same ingredients. You should know that Mexico does not have the same consumer protection laws that exit in the USA.
Subj: Burning feeling in throat
I have been taking phentermine for 2 days now I have a burning feeling in the back of my throat could phentermine cause this?
AskDocWeb: No, Phentermine may cause a dry mouth but not a burning sensation in your throat. Please consult with your doctor.
I've been on phentermine for about 3 weeks and I have been having headaches. Not real bad but mild. I was wondering if this was from phentermine? I have took them in the past and did not have this side effect at all. When I first started them my heart was racing but that stopped so I guess I had to just get use to it. I'm on 30mg and doctor just wrote me a script for 37.5 should I have more side effects with this one, even though it's already in my system?
AskDocWeb: How a person responds to a medication is different from person to person but headaches have been reported as a side effect of Phentermine.
I have been taking Phentermine for only 3 days now. I was taking Adderall to help with focussing and concentration. The phentermine has been helping greatly already. The Adderall was taking my appetite away almost completely. The Phentermine seems to be more mild. I know it is a diet pill. However, I am using it to focus. I have been eating regularly (5 small meals a day). The only drawback is that I get very sleepy about 6 hours after I take it.
Subj: Liver enzymes
I had been taking phentermine for a month and a blood test revealed that my liver enzymes were extremely high. I was given a blood test 2 weeks after I had been taking the medication and everything was fine. Is it possible that within the next two weeks it could have affected my liver enzyme? I also had a cold and was taking Nyquil every night for 10-12 days. The medicine works great. I stayed off of it for a month and had a new blood test done. My test results were good. Of course I didn't take any other medicine during that time. I started back on the phentermine a few days ago.
AskDocWeb: There have been a few reports of elevated liver enzymes but it is not listed as a side effect.
Subj: Kidney function
Does phentermine suppose to make you pee alot. Does it mess with the function of your kidney. Can I still have healthily kids when I stop taking the drug?
AskDocWeb: No affect on the kidneys is noted but you could be developing an unrelated problem so please see your urologist. Phentermine has no affect on your fertility.
Subj: Doesn't work for everyone
I have taken Phentermine for 3 months. I have decreased my food intake and exercise 5 days a week. Although I have more energy I have not lost any weight. I don't understand and have had complete blood work done to help find out what is going on (it all came back normal). I am very discouraged and don't know what to do next. I have done everything my Dr. has told me to do and yet I haven't lost any weight. Any suggestions? My Dr. said it doesn't work for everyone and that he was "sorry" to have promised results.
AskDocWeb: Since the Phentermine isn't working about all you can do is continue to exercise and decrease your food intake. Well, here is something to think about, try eating for good nutrition and let us know what happens.
Subj: Hair thinning
I started using Phentermine four weeks ago. Since I have been taking it I have noticed my hair thinning alot and the texture of my hair changing. I have never had a hair thinning problem. I am very concerned. I am eating good, don't skip meals and drink lots of water. Please respond ASAP.
AskDocWeb: Hair loss is not listed as an official side effect of Phentermine however, hair thinning has been reported by others. Stress is also known to cause hair loss and sometimes dieting can be very stressful.
I have just started taking phentermine and have been have really strange dreams. I usually never remember my dreams but since I started taking this I have been waking up during the night with these dreams. I was just wondering if this could be a side effect of this drug?
AskDocWeb: Dreams, nightmare or otherwise have not been reported as a side effect of Phentermine.
Subj: Is this Phentermine?
Hello, I just ordered a 90-day supply of 37.5 mg phentermine but just want to be sure it is phentermine. I don't see any numbers on the pills and its color is half light blue and half dark blue, is this phentermine. Just want to be sure. Thanks.
AskDocWeb: There are pictures of four different Phentermine pills on this page but if you have any doubts you can take it to your pharmacist. That is one of the problems you run into when you order online, is it the real thing.
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