Side effects include dry mouth, dizziness, fatigue, irritability, and constipation. The weight loss benefits of phentermine and topiramate also expand to people with BED and bulimia nervosa. While phentermine can be a useful short-term weight loss tool, you must make healthy lifestyle changes for long-term success.
Does phentermine cause mood swings?
Tell your doctor immediately if any of these unlikely but serious side effects occur: fast/irregular/pounding heartbeat, mental/mood changes (e.g., agitation, uncontrolled anger, hallucinations, nervousness), uncontrolled muscle movements, change in sexual ability/interest.
Can phentermine cause irritability?
This medicine may cause some people to be agitated, irritable, or display other abnormal behaviors. It may also cause some people to have suicidal thoughts and tendencies or to become more depressed. If you or your caregiver notice any of these side effects, tell your doctor right away.
What is Phen rage?
The official Phentermine website indicates that 32% of phentermine users report experiencing rapid heartbeat as one side effect of taking phentermine, while another 22% reported “phen-rage” (extreme anger), and another 3% experienced psychosis.
What are the most common side effects of phentermine?
Common side effects of phentermine include:
- Increased heart rate.
- Tingling or prickling feeling in hands or feet.
- Dry mouth.
Does phentermine affect your brain?
Summary: Users of widely prescribed diet pills may suffer irreversible loss of brain serotonin nerve terminals, possibly resulting in symptoms of anxiety, depression, cognitive and sleep problems, suggests the first author of a newly published report on fenfluramine side effects.
Does phentermine insomnia go away?
Insomnia: Because it is a stimulant, phentermine will most likely keep you awake if you take it too late in the day. This side effect also decreases in most patients after they have been on the medication for several weeks.
Can you lose 20 pounds in a month on phentermine?
Several clinical studies have proven that phentermine can boost fat loss. The expected average weight loss with phentermine use is 5% of your initial body weight. Yet, over 12 weeks, it can be as high as 10%. This equates to a weight loss of 10–20 pounds (4.5–9 kg) for a 200 pound (90.7 kg) person ( 8 ).
Can I just stop taking phentermine?
It is recommended to taper Adipex use rather than immediately stopping. Adipex will generally be out of your system about two days after the last time you take it. Phentermine is stored in body fat and burning fat may support elimination. That said, there is no healthy way to speed up this process.
Is phentermine a speed?
There is a potential for misuse with phentermine, which is why it is a scheduled drug. It works in a similar way to amphetamines (like methamphetamine or “speed”) and cocaine, which are drugs that people use illegally and recreationally.
What does irritability feel like?
Irritability is a feeling of agitation. Although, some describe “agitation” as a more severe form of irritability. Regardless of the term you use, when you’re irritable, you’re likely to become frustrated or upset easily. You might experience it in response to stressful situations.
Is long term phentermine use safe?
The authors concluded that phentermine is safe and effective for longer-term use—that is, >3 months—for weight loss in low-risk individuals.
Can you drink alcohol on phentermine?
Using phentermine with alcohol can increase the risk of cardiovascular side effects such as increased heart rate, chest pain, or blood pressure changes. In addition, you may also be more likely to experience nervous system side effects such as dizziness, drowsiness, depression, and difficulty concentrating.
Why is Phentermine making me tired?
Fatigue or tiredness can come as a result of sleepless nights or following a period of over-stimulation, however, adverse effects of phentermine also include drowsiness, fatigue, and reduced energy levels.
What happens if you take phentermine too long?
Physical and psychological dependence may occur with the long-term use of phentermine. A withdrawal reaction, which includes excessive drowsiness, fatigue, tremors and depression may occur after prolonged use.
Can phentermine cause weight gain?
If you find yourself gaining weight while taking phentermine see your doctor. Phentermine should be used alongside dietary changes, exercise, and behavioral modification as discussed with your doctor.