Can you build a tolerance to phentermine?

Bottom Line. Phentermine may be used short-term as an aid to weight loss; however, it can be addictive and tolerance may develop to its weight-losing effects, rendering it less effective with time.

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Does phentermine stop working?

Frequently, the proper course of action is to increase adherence to the diet, rather than change the phentermine. However, if phentermine doesn't work, stops working, or has an intolerable side-effect, you should ask your physician to switch to a different weight loss medicine.

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How can I increase the effectiveness of phentermine?

Take Phentermine in the Morning

Phentermine is best taken in the morning before breakfast or 1-2 hours after breakfast. Taking it later in the day can cause insomnia or difficulty falling asleep at night. Also, taking phentermine on an empty stomach can increase its effectiveness.

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How long can I safely stay on phentermine?

Phentermine is approved for use for up to 12 weeks.

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What happens if you take phentermine too long?

Long-term use of phentermine is reported in some individuals to cause psychological and physical dependence, particularly with higher doses. Withdrawal symptoms are also likely to occur when using phentermine for a long time.

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How Weight Loss Works Explained by a Doctor | How Does Phentermine Help Weight Loss?

40 related questions found

What happens if you take phentermine long-term?

The researchers found that at 24 months, longer-term users of phentermine had more weight loss, with patients using continuously for >12 months losing 7.4 percent more than those who used for no more than three months.

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What prevents phentermine from working?

Foods that are high in acid may interrupt the metabolism and excretion of phentermine drugs. Studies show intake of acidifying food leads to the faster excretion of Phentermine metabolites and thereby lowering its effects.

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Is it possible to keep weight off after phentermine?

Many patients are able to maintain their weight loss after stopping phentermine. However, some patients will start to regain weight they have lost after they stop taking phentermine.

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How to lose weight with phentermine and keep it off?

Exercise Regularly

Plus, beginning a workout schedule can help you maintain your weight loss transformation even after you stop taking phentermine. Your doctor will help you create an exercise regimen based on your abilities and lifestyle. It is important to ease into exercising in order to avoid overexerting yourself.

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Why am I so tired on phentermine?

Why am I tired on Phentermine? 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.

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What is stronger than phentermine?

Brontil is a stronger dietary medication than Phentermine. Bontril and Phendimetrazine are more likely to cause drug dependence due to it having more stimulants in their chemical makeup. Phendimetrazine should be taken for short periods of time. Phentermine can be taken for up to 3 months.

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What's the longest you should take phentermine?

Phentermine should only be used for short-term use (less than 12 weeks at a time) to help with weight loss.

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Is phentermine the same as duromine?

Duromine contains the active ingredient phentermine.

Phentermine is combined with a resin which slowly releases the phentermine so the effect of Duromine lasts all day. Duromine is used to reduce body weight in obese or overweight patients.

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Does coffee make phentermine less effective?

Coffee does not directly interact with phentermine or affect its mechanism of action. However, coffee does contain caffeine, which is a stimulant that can increase heart rate and blood pressure. Phentermine also increases heart rate and blood pressure, so combining the two may cause these effects to be more pronounced.

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Why do people gain weight back after phentermine?

More specifically, one-third of all users regained their lost weight within a year after treatment discontinuation. While phentermine may help one achieve short-term weight loss, it achieves this without building healthy habits. Thus, weight rebound is likely to happen.

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Should you take a break from phentermine?

Phentermine should not be taken for long periods and typically 3 months is considered the maximum treatment time before a break period is instituted. Phentermine should not be stopped cold turkey to avoid unwanted withdrawal symptoms.

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Why does phentermine keep you up?

Insomnia

Phentermine is considered a stimulant, and it can cause you to become more alert and energetic. This can make it harder for you to fall and/or stay asleep. Phentermine is typically taken once daily in the morning. Taking phentermine early in the day gives your body more time to process the medication.

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Can you take duromine longer than 3 months?

For some patients taking Duromine for over three months, withdrawal symptoms may cause some problems. These symptoms include depression, insomnia, fatigue, and an increased appetite.

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Which is better Ozempic or phentermine?

Ozempic has an average rating of 5.9 out of 10 from a total of 953 ratings on Drugs.com. 44% of reviewers reported a positive effect, while 34% reported a negative effect. Phentermine has an average rating of 8.7 out of 10 from a total of 2987 ratings on Drugs.com.

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Does phentermine mess with your hormones?

Phentermine does not directly disrupt hormone balance or influence estrogen-like hormones. However, it might indirectly do so since a quick weight loss might make hormonal abnormalities more likely.

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Does phentermine build up in your system?

Phentermine takes about three to five days to build up in the system (to what is called a steady state ), which is why some people report not feeling its full effect until being on it for several days.

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Can I skip breakfast on phentermine?

Phentermine is a once a day medication that should be taken first thing in the morning. Taking the medication on an empty stomach or with food is not as important as making sure to take it early in the day. One of the side effects of phentermine is energy and focus which can lead to insomnia or trouble sleeping.

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Is duromine stronger than phentermine?

Duromine is same as the Phentermine, and it is also recommended to use it with an overall weight loss plan, which includes a calorie-controlled diet and workout routine on regular basis. Your doctor is the best person to decide whether Duromine is suitable for you.

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