phentermine affects your heart

How Phentermine Affects Your Heart

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On our phentermine forum, there is a lot of speculation about how phentermine affects your heart, with posts on this topic ranging from worrying accounts about heart problems that have been directly attributed to taking phentermine, to posts which confidently state that phentermine cannot cause such problems. But what’s the truth? Here we explain more about how phentermine affects your heart and what side effects to look out for in order to ensure good heart health while you’re taking phentermine.

Phentermine Contraindications

Firstly, it is important to clarify that phentermine is not suitable for everyone, and that is particularly the case if you have ever suffered from heart problems. For this reason, you must always divulge your complete medical history to your doctor before you are prescribed phentermine. You should not take phentermine if you have a history of heart disease, or severe or uncontrolled blood pressure. Phentermine is also not suitable for those with other conditions such as an overactive thyroid, glaucoma, a history of pulmonary hypertension, or if you have a history of drug or alcohol abuse. If you have an appointment with a doctor in order to be prescribed phentermine, you should especially make sure to tell him or her if you have any of the following: high blood pressure, diabetes, kidney disease, a thyroid disorder, or an aspirin allergy. It is vital to disclose all of your medical history and that of any close relatives if the doctor requests this too; even if you think it is unrelated, it is important for your safety that your doctor is properly informed of any potential there may be for a negative reaction to the medication, especially when it comes to heart health.

Before being prescribed phentermine, as well as asking about your medical history, your doctor should test your blood pressure and other indicators of general health, and will only prescribe phentermine if he or she feels that it will not cause additional risks to your health. One phentermine forum user here states that although phentermine may increase the risks of a heart problem, obesity is a guaranteed risk to the heart and your health in general. However, that is not to say that putting your health further at risk by taking something known to be dangerous in your particular case is an option; your doctor should always choose the best course of action for you based on your particular case. Individual differences affect how our bodies metabolize drugs such as phentermine, which is why we all experience different results and different side effects. So, phentermine can only be considered as an option for you if it is deemed safe for you; phentermine has been both effective and safe for many people during its 60 year history and is still the most widely prescribed weight loss medication in the US, but that does not mean that it’s safe for everyone.

If your doctor doesn’t think phentermine is the right option for you, whether it’s due to heart problems or for any other reason, the phentermine alternative Phen Caps can provide you with a solution. Phen Caps do not contain phentermine and have no side effects nor any potential to cause heart problems. In fact, Phen Caps contain crateagus spp. extract, a hawthorn berry extract which is well known for its benefits to cardiovascular health. Hawthorn berries are used in traditional medicine for the treatment of chronic heart failure, high blood pressure, irregular heartbeat, and digestive problems. They have also been shown to improve performance and endurance during exercise, decreasing effects such as shortness of breath and fatigue. In addition to these health-promoting effects, Phen Caps also help you to lose weight in the same way as phentermine by suppressing appetite and boosting energy with its combination of innovative ingredients.

How Phentermine Affects Your Heart

Phentermine works by acting on the central nervous system to stimulate the release of neurotransmitters in our brain, including dopamine, epinephrine (adrenalin) and norepinephrine (noradrenalin). This causes phentermine to reduce appetite and minimize cravings, as well as increasing energy levels and boosting metabolism. However, alongside a faster metabolism, the additional adrenalin is likely to increase your heart rate as a result. This is because there is a direct correlation between heart rate and metabolism – much like when you are working out or scared, your heart rate increases to enable more blood and oxygen to circulate your body and feed your muscles. An accelerated heart rate is therefore considered normal while you are taking phentermine. Furthermore, stress caused by dieting, and phentermine side effects such as anxiety and jitteriness, can also increase your heart rate so it’s important to take steps to de-stress your life and keep healthy by getting all the essential nutrients you need while you’re taking phentermine.

However, if your heartbeat becomes irregular or skips a beat, or if you experience any kind of pain or discomfort, especially in your arms or chest, then you should contact your doctor immediately. Due to the way it is metabolized by the body, phentermine does put additional pressure on the heart and it is for this reason that it cannot be taken by anyone with existing heart problems, and why caution should be exercised if you have conditions such as high blood pressure, as phentermine can exacerbate such issues. There is no good correlation between pulse rate and blood pressure, but an increase in blood pressure is also a possible side effect of phentermine. If you are worried about an increase in blood pressure then you should consult your doctor who will be able to tell you if the increase you are experiencing is within the normal range or not.

phentermine affects your heart

Even if you think that you have a healthy heart or have never experienced problems or symptoms before, it is essential to be vigilant as heart problems can present themselves at any time. Furthermore, several phentermine forum members have explained that they had never had heart problems prior to taking phentermine but experienced serious heart problems either after or while taking phentermine, such as sinus arrhythmia and seizures, and were informed by their doctors that these issues were as a direct result of taking phentermine. While it’s not certain whether these phentermine users actually had undetected heart problems or not, it is certain that the way in which phentermine affects your heart means that symptoms of heart problems can arise seemingly from nowhere while you are taking it.

It is unfortunate that some forum members have been incorrectly reassured by doctors that phentermine does not cause heart problems, as this forum member found when she was later given the opposite information by another doctor. If you are ever concerned or unsure about something that you have been told by your doctor, it is advisable to get a second opinion where possible, as your health should always be yours and your doctor’s priority. Some forum members also dismiss the idea that phentermine causes heart problems and state that it is only the now banned phentermine combination, Fen Phen, which caused these types of issues. While it is true that Fen-Phen and fenfluramine – the other ingredient of the combination – are both banned, whereas phentermine continues to be prescribed, that is not to say that phentermine alone cannot cause heart problems. The number and severity of the health problems caused by Fen-Phen were far beyond reported cases of heart problems linked to phentermine alone, but these cases do still exist, which is why you should be vigilant about side effects and symptoms while taking phentermine.

Phentermine Side Effects Indicative Of Heart Problems

Phentermine comes with a variety of side effects; some of the most common include dry mouth, anxiety, insomnia, constipation, nausea and mood swings. But, in addition to these uncomfortable but otherwise less serious side effects, phentermine can also cause side effects which are cause for concern, such as fainting, swelling across the body, and psychosis. These types of more serious side effects are listed in full here, and should be reported to your doctor immediately. Of the list, those which could indicate heart issues include shortness of breath, a racing heartbeat, irregular heartbeat, dizziness and fainting, arm pain, chest pains, and an elevated blood pressure reading.

Several members on the phentermine forum have posted that they have experienced stabbing chest pains, including this thread, where the forum member states that she is afraid to tell her doctor about the chest pains in case he stops her phentermine prescription. We would like to stress that this is a very reckless and dangerous way to view your health; side effects like these cannot be ignored and should certainly not be hidden from your doctor. Even if you think you have no heart problems, due to the way phentermine affects your heart, you may begin to experience side effects from a previously undetected issue. The phentermine forum includes posts from phentermine users who have developed serious heart problems and have been told by their doctors that it is as a direct result of taking phentermine, such as this member, who speaks about the possibility of being fitted with a pacemaker due to having developed an irregular heartbeat. She states that all the doctors she has seen agree that this is due to phentermine, since she had no heart problems prior to starting phentermine. While it’s possible that she may have had an undetected heart problem, this also highlights the fact that in some cases, phentermine is prescribed to patients whose previously undetected problem with no symptoms then converts into a very serious heart problem due to the ways in which phentermine affects your heart. She lists her symptoms as palpitations, dizziness, short sharp chest pains, shortness of breath and arm pain, and urges that anyone who is experiencing similar symptoms goes to their doctor straight away.

The bottom line is, although phentermine is generally a safe medication when prescribed to obese individuals with otherwise good overall health, any serious side effects should be reported immediately to your doctor. This is particularly the case if you experience any pains or symptoms that may indicate that your heart is at risk due to the way in which phentermine affects your heart. If you are obese, losing weight is the best thing you can do for your health and for your heart, but risking your health and possibly your life to lose weight is not worth it.

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49 Responses

  1. Well I took 1/2of Adipex in the morning..and the other 1/2 in the afternoon. Some chest pain is noted..but my bp is was elevated to normal.. and my heart rate is 75. I usually take half..due to a whole 37.5 is way to much..and then anxiety comes in..so odd.

  2. I am going the healthy route and kicking this drug to the curb. From thw ground or a tree..and no pills for me!

  3. Hi I have a question, I had been taking phentermine for a few months and have recently stopped because I was getting ready to start a weight loss program with my husband, this weight loss program is monitored by a team of doctors and before I start it, I had to do an EKG and my heart rate came back as abnormal and skipping beats. The doctor was surprised and when I told him I had taken phentermine his eyes opened wide and he became concerned. He has sent a referral to the cardiologist but I am so very nervous about this. I know that while on phentermine your hearth speeds up could this be why my heart was skipping beats and does it go back to normal after a while?

  4. I had no issues the day I took it…it was the day after I did..fast heart rate..and anxiety. I am not taking it today.

    • Hi Lynne!

      We suggest you consult with your prescribing doctor about this. It’s a known, possible side-effect of phentermine. Your doctor might suggest a different dosage or stopping the treatment altogether, but it’s better to check with him or her first.

      Regards,

      Marko
      Phentermine.com

  5. hi i started phen last week this is day 7 im just abit worried this morning my
    heart was racing for just a min or so but i think that was because i was very hungry and did not have breakfast as yet but as soon as i eat it went back to normal i want to know is that a problem or is it normal.

    • Hi Amy! It’s common for phentermine to make your heart race due to its stimulant properties. However, if you’ve still feeling anxious and/or this happens again, we’d suggest calling your doctor. He or she may knows your history best and may have some advice about how to decrease this uncomfortable symptom.
      Rachel, phentermine.com

  6. Hello…8wks ago I delivered a beautiful baby boy, but I also gained almost 60lbs with my lil man so at my 6wk check up I asked my family doctor about starting Phentermine to help get back down to my pregnancy weight. She wouldn\’t let me start it until I my OB took me off my blood pressure/tachycardia medication that I was on due to severe Preaclamsia during my pregnancy. Well yesterday I finally was cleared and taken of the preaclamsia medication so my family doctor gave me the go ahead and I took my first pill. About 2 hours after taking my first dose I started having multiple heart palpitations. It was worse when I\’d go from a sitting to standing position, but also had them when I was sitting/laying…they were pretty consistent for about 2 hours. I didn\’t have any other symptoms with the palputaions. No dizziness, light headed or anything along those lines. I ended up taking one of my blood pressure medication and about a hour after taking it the palputaions stopped. I called my doctor and she told me to stop taking them and I have a appointment to see her Monday. I would really like to keep taking it. Has anyone ever had this problem and if so is it possible that my body just has to get used to the medication?

  7. I’ve been taking Phentermine for about two weeks. I’ve only been taking a whole pill for a week. My heart seems to flutter a lot and yesterday just on an easy walk my heart rate was about 160. Is that something I should be conserned about? I don’t get bad chest pains but sometimes I do get dull pains in my chest and I get so tired around mid-day that I take a nap(I do work). My husband is taking them and doing great with no issues. I don’t want to give up but I don’t want to jeopardize my health. I feel like a baby because they scare me so much and so many other people take them with no side effects. Any suggestions?

    • Hi Felicia, thanks for your comment! We’d recommend that you check with your doctor about the elevated heart rate, chest pains and fatigue. Phentermine affects everyone differently so even if your husband is doing great, your doctor may need to adjust your dose (or something else about your treatment plan). Either way, he or she would be the best person to assess whether or not these reactions are significant. Best wishes!
      Rachel, phentermine.com

  8. Can a person have heart problems down the road after coming off of phentermine?

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