How long do you take phentermine before you see results?

Phentermine starts to work very quickly after taking an initial dose. Phentermine medication gets absorbed through your gastrointestinal tract. It will reach its peak concentrations in your blood after three to 4.4 hours. You should start feeling the effects in around four hours.


How long does it take to start losing weight on phentermine?

The bottom line is that phentermine works in just three to 4.4 hours. However, it may take a couple of weeks before you start to notice that you're losing weight. To see your results as quickly as possible, you should try to minimize your consumption of carbohydrates, stay hydrated, and stay as active as possible.

How do I know if phentermine is working?

Right after the first dose, phentermine starts to work and is absorbed through the GI tract instantly. The peak plasma concentration of phentermine is achieved within 4.4 hours, after this time users will begin to see the effects of appetite suppression and tolerance against binge-eating.


How much weight can you lose in a week with phentermine?

Depending on your lifestyle and the changes you make once you start, it's possible to lose several pounds the first week as your body sheds water weight. That being said, the recommended weekly rate of weight loss is one to two pounds.

How should I take phentermine for best results?

  1. Adults and children 16 years of age and older—One capsule once a day, taken before breakfast or 10 to 14 hours before sleeping.
  2. Children 15 years of age and younger—Use is not recommended.


Phentermine for obesity



What to avoid when taking phentermine?

Avoid taking MAO inhibitors (isocarboxazid, linezolid, metaxalone, methylene blue, moclobemide, phenelzine, procarbazine, rasagiline, safinamide, selegiline, tranylcypromine) during treatment with this medication. Most MAO inhibitors should also not be taken for two weeks before treatment with this medication.

Does phentermine speed up weight loss?

Phentermine may help lower your appetite, so people who take phentermine tend to eat less. This can lead to an energy deficit (meaning you are burning more calories than you are eating) and potential weight loss.

Will phentermine get rid of belly fat?

It is an appetite suppressant. Individuals taking phentermine lose weight because they are less hungry and thus consume fewer calories. Phentermine does not cause you to burn fat and does not affect your metabolism.


Does phentermine take a few days to work?

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.

Does phentermine give you energy?

Phentermine is effective in treating chronic fatigue, even though it is frequently used in Orange County to aid in medical weight loss. Phentermine can reduce appetite as well as boost energy and prevent exhaustion during the day or after exercise.

How many hours does phentermine last?

Phentermine's half-life ranges from 19 to 24 hours.

This means it could stay in the body for a total of 4 days. While the exact time is not mentioned, a blood test would detect Adipex up to 4 hours after taking a dosage.


Why phentermine doesn t work?

Phentermine is effective in inducing weight loss. However, the results tend to be short-lived as it fails to address the body's metabolism and genetics. It's also associated with serious side effects and addiction.

How does phentermine work so fast?

Taking phentermine helps suppress your appetite, thereby limiting how many calories you eat. Over time, this can lead to weight loss. While the exact way phentermine reduces appetite remains unclear, the drug is thought to act by increasing neurotransmitter levels in your brain ( 6 , 7 ).

What should I eat on phentermine?

What To Eat On Phentermine
  • Water: 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.


What's the most effective weight loss pill?

Phentermine-Topiramate extended release (Qsymia) is the most effective weight loss drug available to date. It combines an adrenergic agonist with a neurostabilizer. Daily doses with four strengths start at 3.75/23mg to 15mg/92mg. Adults with migraines and obesity are good candidates for this weight loss medication.

What is the best time to take phentermine?

The medication is usually taken with or without food once a day in the morning. This medication may cause difficulty falling asleep or staying asleep if it is taken in the evening. Take phentermine and topiramate at around the same time every day.

How many times a week should I take phentermine?

Adults and children 16 years of age and older—One capsule once a day, taken before breakfast or 10 to 14 hours before sleeping. Children 15 years of age and younger—Use is not recommended.


Can I stop taking phentermine suddenly?

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.

Can I drink while taking phentermine?

For example, phentermine may raise blood pressure and cause a faster heartbeat. It can also cause trouble sleeping. Alcohol can have all these effects as well. It's best to avoid drinking alcohol while taking phentermine.

Can you have caffeine while taking phentermine?

Notes for Consumers: Limit Caffeine intake (examples: coffee, teas, colas, chocolate, and some herbal supplements) while taking Phentermine. Also avoid medicines containing additional Caffeine whenever possible. Side effects from Phentermine may get worse if you take excessive Caffeine.


Does caffeine interfere with phentermine?

No interactions were found between caffeine and phentermine.

Is phentermine hard on your body?

Phentermine Side Effects

You may also experience constipation, diarrhea or vomiting. More serious but rare side effects include increased blood pressure, palpitations of the heart, dizziness, restlessness, tremors, insomnia, shortness of breath, chest pains, severe skin problems and swelling in the legs and ankles.

Can you gain weight while on phentermine?

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. Do not drive or operate machinery if this medicine impairs your judgment.


Does phentermine work for everyone?

Phentermine can boost weight loss in some people, though results can vary from person to person. It depends on their reaction, how long they use it, and their weight loss activities. Some people should not take phentermine for weight loss. For them, the risks outweigh the potential benefits.

Should you eat while on phentermine?

While phentermine will suppress your appetite, it is very important that you need to eat in order to lose weight.