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Doctor insights on: Phentermine Resin Complex Medication

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Please describe the medication: phentermine?

Please describe the medication: phentermine?

Appetite suppressant: Phentermine is been around for about 60 years. Phentermine is an appetite suppressant the bariatrician in the winter of 2008. Has a article gives a great description of the medication phentermine. I have used Phentermine over the last nine years without any complications whatsoever. We only give a half of a 37.5 mg tablet. Consult your M.D. ...Read more

Dr. Gail Altschuler
404 Doctors shared insights

Phentermine (Definition)

Phentermine is been around for about 60 years. Phentermine is an appetite suppressant the bariatrician in the winter of 2008. Has a article gives a great description of the medication phentermine. I have used Phentermine over the last nine years without any complications whatsoever. We only give a half of a 37.5 mg ...Read more


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Which the common effects of the medication phentermine?

Which the common effects of the medication phentermine?

Phentermine: Is a stimulant and can be addictive. Common side effects include dizziness, dry mouth, difficulty sleeping, irritability, nausea, vomiting, diarrhea, or constipation. There are a wide variety of less common effects as well. ...Read more

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I have been on Phentermine since March of 2015, increasing my dose around march of 2016. I believe I have built a tolerance to the medication. How lon?

I have been on Phentermine since March of 2015, increasing my dose around march of 2016. I believe I have built a tolerance to the medication. How lon?

Phentermine toleranc: Looking at your spelling in your message you may be on too much or not enough. Discuss with your Dr. Other meds may change need for dose.
Are you doing better on higher dose? ...Read more

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I'm on Suboxone can I take Fastin (phentermine) which is phenylethylamine. Is it safe. Its a weight medication?

I'm on Suboxone can I take Fastin (phentermine) which is phenylethylamine. Is it safe. Its a weight medication?

Combo is safe: You can safely take Fastin (phentermine) and Suboxone but there are much better, more effective and safer weight loss drugs then Fastin (phentermine). It is also safe to follow a diet and increase your exercise while taking Suboxone. ...Read more

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Why does my nose feel like it is freezing cold when I take certain medications? Happens with tramadol currently and phentermine in the past.

Why does my nose feel like it is freezing cold when I take certain medications? Happens with tramadol currently and phentermine in the past.

Vasoconstriction: When constriction of superficial blood vessels occurs such as with exposure to cold or when taking certain medications, blood is diverted away from the periphery of the body causing coldness of nose, fingers, toes. Apparently this happens when you take the above medications. ...Read more

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My doctor prescribed me Amitriptyline 50mg at night time and Phentermine 15 mg in am. Are these two medications safe to take at these times?

My doctor prescribed me Amitriptyline 50mg at night time and Phentermine 15 mg in am. Are these two medications safe to take at these times?

Why amitriptyline?: I'm curious why this was prescribed since it causes drowsiness with other known side effects opposite of phentarmine. I'm assuming it's for depression in this particular case. Please review further of your medication with your doctor. ...Read more

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Will taking phentermine affect your hormones and/or thyroid function tests? I currently take phen and I'm hypothyroid so I take that medication also.

Will taking phentermine affect your hormones and/or thyroid function tests? I currently take phen and I'm hypothyroid so I take that medication also.

Not a problem: Phentermine should not cause hormonal issues and will not interfere with the medication you take for hypothyroidism. Please understand that phentermine only works while you are taking it and you must learn to change your diet and exercise patterns or the weight will come back when you stop the drug. Good luck. ...Read more

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Can I take phentermine and thyroid medication at the same time? I am also taking sprintec birth control.

Can I take phentermine and thyroid medication at the same time? I am also taking sprintec birth control.

Yes, but: You need to take the thyroid medication if your thyroid level is abnormal. The Phentermine will only affect it if your dose of either is excessive. The phentermine, however, only works for as long as you take it - then you'll begin to gain the weight back unless you've learned how to eat properly - if you have, you don't need the Phentermine in the first place. ...Read more

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Curious about the weightloss medication, Qsymia (phentermine and topiramate)? With PCOS it's hard to lose weight on your own, is this something that would help?

Curious about the weightloss medication, Qsymia (phentermine and topiramate)? With PCOS it's hard to lose weight on your own, is this something that would help?

It may: Help, but only as long as you take it, and has potential side effects. Diet and exercise are needed. Metformin may help to reduce the basic metabolic problem of insulin resistance. Talk w/your doctor. ...Read more

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I'm taking plaqeunil, mobic, (meloxicam) prednisone for rheumatoid arthritis. Can I use phentermine for weight loss while on these other medications?

I'm taking plaqeunil, mobic, (meloxicam) prednisone for rheumatoid arthritis. Can I use phentermine for weight loss while on these other medications?

Weight medications: The easy answer is "yes." however 1) the weight gain tendency caused (primarily) by Prednisone will continue, so consider finding an effective regimen for your RA and pain that doesn't cause weight gain. 2) Phentermine generally only works well for a short period of time. Most people who use it find that it wears off after several weeks or months. There may be better weight options besides phent. ...Read more

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Can you get addicted to the drug phentermine?

Can you get addicted to the drug phentermine?

Sure: Phentermine is a stimulant & fully capable of being the source of addiction. There is a difference between physiological tolerance &/or withdrawal -vs- addiction. To be addicted you need one of the biological features (tolerance or withdrawal), loss of control (despite negative consequences), & salience (it becomes an important part of your life). ...Read more

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Will suddently stopping phentermine have drug withdrawal effects?

Will suddently stopping phentermine have drug withdrawal effects?

Never heard of WD: Phentermine has some properties similar to amphetamines, but it is not an amphetamine.If you abruptly stop Phentermine most patients might be more hungry for 24-48 hrs. Then return to regular
appetite.There has never been a report of physical addiction.Emotionally, regaining wt w/o the med use could cause emotional stress.I have found that with monitoring pts.
They can take the med for maintenance. ...Read more

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How long does half of one 37.5 mg phentermine tablet stay in your system which would show up on a drug test.

How long does half of one 37.5 mg phentermine tablet stay in your system which would show up on a drug test.

Half life is 20h: The drug's half life is 20 hours, meaning that after 20 hours, half of the dose has been eliminated. 20 hours after that, 3/4 of the dose has been eliminated and 20 hours after that 7/8 of the drug has been eliminated. At 80 hours virtually all of the drug has been eliminated. Depending on sensitivity of urine test you should allow 60-80 hours for elimination. Thanks for trusting HealthTap! ...Read more

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I took a half tab of phentermine and then was givin a drug test 2 days after. Was the only time I had taken the drug the whole month. Will it show up?

I took a half tab of phentermine and then was givin a drug test 2 days after. Was the only time I had taken the drug the whole month. Will it show up?

Probably Not: Most drug tests do not test for phentermine,
this assumes you are using prescription
phentermine obtained from your doctor,
buying what is labelled "phentermine" on the internet is another story, many contain amphetamines which will test positive
lesson learned: be careful what you put into
your body!
real Phentermine is inexpensive & can be obtained from any weight loss doc. ...Read more

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Does phentermine and ritilin show on employer saliva drug tedt?

Does phentermine and ritilin show on employer saliva drug tedt?

Possibly: It is hard to know exactly what the drug test includes, and I am not sure of the sensitivity of the saliva test, but ritalin (methylphenidate) is an amphetamine, and drug screens often include amphetamines. If you are on a prescription drug that is legally prescribed, you should divulge this to your employer before the test. ...Read more

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What's the difference between the diet drugs meridia and phentermine?

What's the difference between the diet drugs meridia and phentermine?

Different drugs: Meridia is a wt loss medication that was taken off the market in 10/2010 due to cardiovascular risk. Phentermine is another weight loss medication that is still being used and is approved for short term weight loss therapy. Meridia inhibits noreprnephrine/epinephrine and Dopamine reuptake, Phentermine works on the sympathetic system and cause you to eat less. ...Read more

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I haven't taken phentermine in 3 weeks will it show in urine drug test?

I haven't taken phentermine in 3 weeks will it show in urine drug test?

Not likely: Three weeks is long enough for this drug to clear out of your system.
For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex.
Get HPV vaccine. ...Read more

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How long does phentermine stay in your system for a salvia drug screen?

How long does phentermine stay in your system for a salvia drug screen?

3 days: Stimulant similar to amphetamines, is a controlled substance and drug of abuse. Time in saliva tox screens, is about 3 days, depending on your overall health, what other meds you take (legal or illegal) See https://www. Erowid. Org/psychoactives/testing/testing_info1.shtml ...Read more

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Can phentermine and topamax (topiramate) give a fasle positive on a drug test?

Yes and no: Phenteanine is an amphetamine and will show up on a drug test. Topomax will not show up on a standard drug test, ...Read more

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I have been taking phentermine 37.5 mg and am almost done with my 3 month prescription. Can I take Fastin OTC when I am done as a maintenance drug?

I have been taking phentermine 37.5 mg and am almost done with my 3 month prescription. Can I take Fastin OTC when I am done as a maintenance drug?

At least 3 days: While Fastin OTC is not the same chemical as phenteramine, both can affect the heart. Make sure your heart health is ok before starting a new diet med. ...Read more

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I took drug test today which is Tuesday I have to go back Friday morning if I stop taking my prescription for Phentermine 37.5 today will I be cleaned by Friday?

I took drug test today which is Tuesday I have to go back Friday morning if I stop taking my prescription for Phentermine 37.5 today will I be cleaned by Friday?

No need to wait: If you have a legitimate prescription for a federally legal medication (not marijuana) than the entity doing the drug testing will not hold you accountable for testing positive for that substance. They may restrict you from working with certain dangerous or delicate tools or driving until you are done with that medication. Bring the Rx or a note from your doc explaining the Rx. ...Read more

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Is the weight loss drug phentermine (fastin) effective?

Is the weight loss drug phentermine (fastin) effective?

Yes, but...: ...there is a price--talk to your doctor about risks & side effects! Also, it is important to have realistic expectations when starting a weight loss medicine--e.g. about 5-10% of the starting weight is the average weight loss most patients on these drugs will achieve. Finally, once the drug is stopped, gradual weight gain is statistically likely. ...Read more

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If phentermine is taken approximately an hour before giving a urine drug screen, will it show up?

If phentermine is taken approximately an hour before giving a urine drug screen, will it show up?

Most likely: Especially if you take it on a regular basis but I don't know if the drug or the metabolites are being tested for. If you have a prescription for them it should be ok ...Read more

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How long does phentermine take to absorb in the urinary system so it will show in a urine drug test?

Five days: Phentermine adult half-life is variable between 7 to 20 hours. It takes approximately 6 half lives for a drug to be eliminated from your system. 20*6/24=5 days. The Phentermine will stay in your system for approximately 5 days. ...Read more

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What combination of drug store fat burners could I take for weightloss that could give me great results like phentermine does?

What combination of drug store fat burners could I take for weightloss that could give me great results like phentermine does?

You can check online: For this. But be careful with overuse of diet pills. It may cause unwanted effects including elevated blood pressure, chest pain, palpitation etc. Consult your dr before you take these meds. Best of luck! ...Read more

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Hi Doctor :) I took Phentermine 15mg for the first time today. How long does it stay on my system? I'm having a drug test in 3 days. Thanks

Hi Doctor :) I took Phentermine 15mg for the first time today. How long does it stay on my system? I'm having a drug test in 3 days. Thanks

Doctor prescribed?: I am hoping that you are using this medication because it was prescribed to you by a physician for obesity. If you used this medication for any other reason, or if it was not prescribed for you but someone else, using it is illegal and don't do it again. If you are overweight or obese and want to lose weight, talk to your doctor. Share a list of all your medications when you are tested for drugs ...Read more

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