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.
How fast can you lose weight on phentermine?
Effective for Weight 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 ).
How should I take Phentermine for best results?
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. Talk with your doctor before starting an exercise program.
When 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 can I make phentermine work better?
When taking phentermine you should be drinking at least 8 glasses of water per day in order to improve the functions of your body and assist in the release of water weight, as well as keeping you hydrated and less likely to misinterpret thirst for hunger.
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.
How long does it take for phentermine to kick in?
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.
Is it OK to skip a day of phentermine?
Take the medicine as soon as you can, but skip the missed dose if it is late in the day. Do not take two doses at one time.
What happens if you take 2 phentermine in one day?
An overdose of phentermine can be fatal.
Overdose symptoms may include confusion, panic, hallucinations, extreme restlessness, nausea, vomiting, diarrhea, stomach cramps, feeling tired or depressed, irregular heartbeats, weak pulse, seizure, or slow breathing (breathing may stop).
Can I drink coffee 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.
Has anyone died from phentermine?
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 take phentermine 37.5 mg twice a day?
Typical starting dosage: One 37.5-mg capsule each day. Take it in the morning before breakfast, or 1–2 hours after breakfast. Maximum dosage: 37.5 mg per day.
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.
What does phentermine 37.5 mg do?
It stimulates the central nervous system (nerves and brain), which increases your heart rate and blood pressure and decreases your appetite. Phentermine is used together with diet and exercise to treat obesity, especially in people with risk factors such as high blood pressure, high cholesterol, or diabetes.
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 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.