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.
Can phentermine cause long-term damage?
Phentermine, especially when combined with fenfluramine, has been associated with high pressures in the pulmonary arteries (pulmonary hypertension) and defects in heart valves, both serious complications. Physical and psychological dependence may occur with the long-term use of phentermine.
How long can you safely take phentermine?
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.
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.
How bad is phentermine for you?
This drug may rarely cause serious (sometimes fatal) lung or heart problems (pulmonary hypertension, heart valve problems). The risk may increase with longer use of this medication and use of this drug along with other appetite-suppressant drugs/herbal products.
Has phentermine killed anyone?
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.
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.
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 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.
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.
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 cause weight gain?
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.
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.
Why is Phentermine making me tired?
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.
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.
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.