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 i take phentermine for years?
In our new study, “Safety and Effectiveness of Longer-Term Phentermine Use: Clinical Outcomes from an Electronic Health Record Cohort,” published today in Obesity, my colleagues and I found evidence of better weight loss with longer-term use of phentermine — up to 2 years’ follow-up.
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.
Can phentermine cause death?
“When someone dies acutely from phentermine overdose, the death is a result of the overstimulation of the central nervous system,” said Goldberger. Too much phentermine can cause the heart to beat irregularly and the body to overheat until the person collapses.
What is the maximum amount of phentermine you can take?
If patients do not lose 3% of their body weight after 12 weeks, the dosage should be increased to 11.25/69 mg once daily for another 14 days before increasing to the maximum dosage of 15/92 mg per day.
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 ).
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.
Can you take phentermine every other day and still lose weight?
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.
Should you take a break from phentermine?
After the tablet has melted, swallow or take a sip of water. Swallow the tablet whole. Do not crush, break, or chew it. Carefully follow your doctor’s instructions for a reduced-calorie diet plan and regular exercise.
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.
Can phentermine damage your heart?
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.
What happens when you stop taking phentermine?
Behavioural symptoms can also occur during diet pill withdrawal. You may not seem like yourself after you abruptly stop taking the pills. You may experience nervousness, anxiety and irritability. Depression can also set in, accompanied by fatigue and insomnia.
Can you take 2 phentermine a day?
Do not take two doses at one time. Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. An overdose of phentermine can be fatal.
Is Phentermine 37.5 Time released?
It is taken either as an extended-release capsule, which is taken once per day in the morning, or tablets, which are taken a half hour before meals, three times per day. Phentermine increases levels of norepinephrine, dopamine, and serotonin, producing an effect similar to amphetamine.
Can you take phentermine longer than 3 months?
The authors concluded that phentermine is safe and effective for longer-term use—that is, >3 months—for weight loss in low-risk individuals.
How should I take Phentermine for best results?
How to use Phentermine HCL. Take this medication by mouth as directed by your doctor, usually once a day, 1 hour before breakfast or 1 to 2 hours after breakfast. If needed, your doctor may adjust your dose to take a small dose up to 3 times a day. Carefully follow your doctor’s instructions.