Does phentermine work the first day?

Summary answer

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 start working right away?

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.

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

Effective for weight loss The average weight loss when taking phentermine is 3% of your initial body weight after 3 months and 5–7% after 6 months. Some people report even more weight loss than this ( 5 , 6 , 9 , 10 )

When 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.

How long does phentermine work in a day?

How long does phentermine stay in my body? Phentermine is a long acting medication. While its peak appetite suppressant effect occurs after an hour or two, in most cases it remains effective for 6 to 8 hours or longer. Its takes more than 24 hours for the medication to be completely eliminated from the body.

How do 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.

How do I get the most out of phentermine?

Luckily, there are ways you can speed up the weight loss process while taking phentermine….Tips for Using Phentermine Most EffectivelyFollow a Healthy Diet. … Stick to an Exercise Regimen. … Drink Plenty of Water. … Get Enough Sleep.

What should I eat while taking phentermine?

Like other weight loss medications, phentermine should only be one part of the overall weight loss plan. Therefore, you should try to make healthy changes to your diet that you can stick to long-term once you are off the medication….Eat More ProteinLean meats.Fish.Legumes and beans.Nuts and seeds.Dairy.

Is it best to take phentermine on an empty stomach?

Do not crush, break, or chew it. Take the disintegrating tablet with or without food. Make sure your hands are dry before touching the tablet

Does phentermine have to build up in your system?

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. There are lots of options. Some people have to take other medications which cause weight-gain; other patients have genetic obesity.

Why is my phentermine not working?

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. There are lots of options. Some people have to take other medications which cause weight-gain; other patients have genetic obesity.

What is the strongest weight loss prescription pill?

What should you not take with phentermine?

Taking certain drugs with phentermine may cause serious side effects. Don’t take these drugs with phentermine. Examples of these drugs include: Monoamine oxidase inhibitors (MAOIs), such as isocarboxazid, phenelzine, rasagiline, selegiline, and tranylcypromine.

Can you drink coffee while on 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.

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.

What increases the effects of phentermine?

Eating healthy foods such as broccoli, carrots, cucumbers, bananas, berries, and almonds allow the phentermine to stay in your body for maximum effect.

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Start working on your weight loss goals


How would you like it if you

✓ Could be less dissatisfied with your body?
✓ Spend less time on your body and be able to do what you really care about?
✓ Learn to deal with that voice in your head?
✓ Stop letting your body image determine your day and emotions?
✓ Really change your relationship with food?
✓ Learn to appreciate your body, which will make you take better care of it?