Quick Answer: What Are The Bad Side Effects Of Phentermine?

Can you stop phentermine abruptly?

Abrupt cessation of long-term phentermine therapy does not induce amphetamine-like withdrawal.

Long-term phentermine therapy does not induce phentermine cravings.

Symptoms observed after abrupt phentermine cessation represent loss of therapeutic effect and are not withdrawal..

How long does it take phentermine to get out of your system?

How Long Does Adipex Last? Adipex has a half-life of about 20 hours, which is the time it takes for half of the dosage to be metabolized by the liver or excreted unchanged in the urine. It takes five to six half-lives for Adipex to be completely eliminated from your system.

How long does it take to lose weight on phentermine?

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 ).

What should I eat while taking phentermine?

What To Eat On PhentermineWater: The first rule of every diet is to drink lots of water. … Protein: When dieting, it is important that you consume enough protein. … Fiber: While fiber is not a magic weight-loss weapon, healthy high-fiber foods make you feel full, so you can resist eating more food than you need.More items…

How long can you take phentermine safely?

Take phentermine exactly as directed. Most people takephentermine for 3 to 6 weeks; the length of treatment depends on how you respond to the medication. Phentermine can be habit-forming. Do not take a larger dose, take it more often, or take it for a longer period than your doctor tells you to.

Does phentermine affect your brain?

A large body of evidence has observed that phentermine works by causing the release of two neurotransmitters, dopamine and norepinephrine, in your brain to suppress hunger.

Is it better to take phentermine every other day?

We suggest for those women trying to lose 25 lbs or less, you start weaning off the phentermine after the second month. Take the pill every other day for two weeks, then every third day, until you are down to 1 pill a week (usually Sunday) then stop completely.

What are the long term side effects of taking phentermine?

Long-term use of Adipex-P may cause physical and psychological dependence. A withdrawal reaction consisting of excessive drowsiness, fatigue, tremors and depression may occur after prolonged use.

What does phentermine do to the body?

It stimulates the central nervous system (nerves and brain), which increases your heart rate and blood pressure and decreases your appetite. Phentermine is used together with diet and exercise to treat obesity, especially in people with risk factors such as high blood pressure, high cholesterol, or diabetes.

Has anyone died on phentermine?

It’s possible that this decrease in blood pressure was due to sustained weight loss in the longer-term users of phentermine. Forty-one (0.3 percent) of 13,972 phentermine users experienced a major adverse event (36 cardiovascular events; 5 deaths), but none of these was among the long-term users.

Does phentermine dehydrate you?

Drink plenty of water each day to prevent dehydration or kidney stones while you are taking phentermine and topiramate. You can easily become dehydrated while taking this medicine, which can lead to severely low blood pressure or a serious electrolyte imbalance.

Can phentermine cause heart attack?

These include stroke, arrhythmia (irregular heartbeat), heart failure, coronary artery disease, valve disease, and uncontrolled high blood pressure. Phentermine may cause a serious increase in your blood pressure. This may make your heart work harder. The extra stress on your heart may make your heart disease worse.

Can phentermine cause memory loss?

Qsymia may cause depression or mood problems, and trouble sleeping. Tell your healthcare provider if symptoms occur. Concentration, memory, and speech difficulties. Qsymia may affect how you think and cause confusion, problems with concentration, attention, memory or speech.

Does phentermine affect the liver?

Phentermine which has been in clinical use for more than 50 years has not been linked convincingly to either serum enzyme elevations during therapy or to instances of clinically apparent liver injury.

Can phentermine cause lung problems?

Side effects can be serious, such as raising your blood pressure or causing heart palpitations, restlessness, dizziness, tremor, insomnia, shortness of breath, chest pain, and trouble doing activities you’ve been able to do. Phentermine may make you drowsy, hampering your ability to drive or operate machinery.