Can you build up a tolerance to Phentermine?

However, you may build a tolerance to the appetite-suppressing effects of phentermine within a few weeks. If that happens, speak with the healthcare professional who prescribed it. Phentermine is thought to decrease your appetite by increasing neurotransmitter levels in your brain.

Does phentermine stop working after a while?

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.

Can your body get used to phentermine?

Tolerance is when a medication loses potency over time after repeated use and as a result the individual experiences less response from the drug. Although phentermine is not “addictive” it results in tolerance over time.

How long can you stay on phentermine?

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

Is it bad to take phentermine for a long time?

The authors concluded that phentermine is safe and effective for longer-term use—that is, >3 months—for weight loss in low-risk individuals.

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Can you take phentermine a second time?

Take this medicine only as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered. If you take too much of this medicine, it may become habit-forming (causing mental or physical dependence).

How do you know if phentermine is working?

Phentermine is absorbed through the gastrointestinal tract and reaches peak concentrations in the blood in three to 4.4 hours, by which time you should start feeling the effects, alerting you that the drug is working. The short-term effects of Adipex may include: Decreased appetite. Euphoria.

What happens if you take phentermine for more than 3 months?

FRIDAY, March 29, 2019 (HealthDay News) — Patients taking phentermine for weight loss for more than three months experience greater weight loss without an increased risk for incident cardiovascular disease or death, according to a study published online March 21 in Obesity.

Can you take phentermine for 6 months?

At 6 months, a year, and 2 years after starting phentermine, weight loss was clinically significantly greater among people who used the medication longer-term (more than a year) or medium-term (more than112 days but less than a year) than in people who used it for only 3 months.

Can you plateau on phentermine?

If you take phentermine and do not make lifestyle changes, you may loose some weight, but most likely your weight loss will plateau before you reach your goal, and with time you will regain the weight you have lost.

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Can i 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.

Why do dentists ask if you take phentermine?

The concern for dental professionals is determining who has taken Fen-Phen and who is at risk for such valve damage. It means we must not only ask patients what drugs they currently are taking, but what drugs they have taken in the past and how long they took the drugs.