Application Information

This drug has been submitted to the FDA under the reference 010460/005.

Names and composition

"PRELUDIN" is the commercial name of a drug composed of PHENMETRAZINE HYDROCHLORIDE.

Forms

ApplId/ProductId Drug name Active ingredient Form Strenght
010460/005 PRELUDIN PHENMETRAZINE HYDROCHLORIDE TABLET/ORAL 25MG
011752/003 PRELUDIN PHENMETRAZINE HYDROCHLORIDE TABLET, EXTENDED RELEASE/ORAL 75MG
011752/004 PRELUDIN PHENMETRAZINE HYDROCHLORIDE TABLET, EXTENDED RELEASE/ORAL 50MG

Similar Active Ingredient

ApplId/ProductId Drug name Active ingredient Form Strenght
010460/005 PRELUDIN PHENMETRAZINE HYDROCHLORIDE TABLET/ORAL 25MG
011752/003 PRELUDIN PHENMETRAZINE HYDROCHLORIDE TABLET, EXTENDED RELEASE/ORAL 75MG
011752/004 PRELUDIN PHENMETRAZINE HYDROCHLORIDE TABLET, EXTENDED RELEASE/ORAL 50MG

Ask a doctor

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Answered questions

Whatever happened to preludin 2 (phentermezine)?
I asked my doctor to prescribe me preludin, which I had taken for obesity in the early 80's. What I found is that no pharmacies have it. Is this still a drug that can be purchased? What are the substitutes? Can you get this in other countries? Asked by Richard Robbs 1 year ago.

Pretty sure it was recalled due to rage over Phen-Phen diet. Was linked to heart attacks in users. Dont know if Canada offers that RX. Many law suits resulted in that diet pill rage. Answered by Otis Derousselle 1 year ago.

Preludin Diet Pills Answered by Mina Menze 1 year ago.

Like all amphetamine type drugs (SPEED), preludin got bad press and was not ordered anymore by physicians. I don't think it was taken off the market. Answered by Travis Molineaux 1 year ago.


Where can one come accross some "phenmetrazine hydrochloride"?
It used to be marketed under the trade name "preludin." Asked by Cecil Jolls 1 year ago.

Talk to your doctor about Prelu-2 TR. Answered by Hiroko Fraint 1 year ago.


How much urine is needed to do an extensive lab test break down of opiates?
I know they had about 3 oz to do multiple tests after delivery of my baby. I know they wanted to test for illicit drug use. Opiates did come up in my system. I was prescribed cough syrup that had morphine in it and i want to make sure they had enough urine to do the extensive lab work to back up that it was only... Asked by Crysta Avellano 1 year ago.

I know they had about 3 oz to do multiple tests after delivery of my baby. I know they wanted to test for illicit drug use. Opiates did come up in my system. I was prescribed cough syrup that had morphine in it and i want to make sure they had enough urine to do the extensive lab work to back up that it was only cough syrup. Also, what and how does it get broken down? What illicits drugs can they break down? Answered by Perry Hulette 1 year ago.

Any toxicology lab will be able to detect the "broken down" metabolites of any substance they want to find: If cough syrup is all your worried about then tell "them" exactly what you took and they can tell if it's the same compounds or not using GC/MS (gas chromotography/mass spec) Drug Profile, Urine (Nine Drugs), Immunoassay With GC/MS Confirmation Synonyms: IA-9 Test Includes: Amphetamines; barbiturates; benzodiazepines; cannabinoids (marijuana); cocaine; methadone (Dolophine®); opiates (codeine, morphine only); phencyclidine (PCP); propoxyphene Specimen: Urine (random) Volume: 45 mL (about 4 tablespoons) Container: Use plastic urine drug bottle and evidence tape or tamper-evident container for forensic specimen. Collection kits are available by request from the laboratory. GC/MS confirmation Methodology: Initial test by immunoassay; confirmation of positives by gas chromatography/mass spectrometry (GC/MS) ---------------------- For a typical drug screen usually 20 mL of urine should be enough for additional drug testing. (per LabCorp.com) If a compound wants to be detected, it can be found using the instrumentation available in most toxicology labs. •Volatiles: acetone; ethanol; isopropanol; methanol •*Amphetamines: amphetamine (Dexedrine®), ephedrine/pseudoephedrine; methamphetamine (Desoxyn®); phenmetrazine (Preludin®); phentermine (Ionamin®); phenylpropanolamine •*Antidepressants: amitriptyline (Elavil®); desipramine (Norpramin®); doxepin (Adapin®, Sinequan®); imipramine (Tofranil®); nortriptyline (Pamelor®) •*Barbiturates: amobarbital (Amytal®); butabarbital (Butisol Sodium®); pentobarbital (Nembutal®); phenobarbital (Luminal®); secobarbital (Seconal®) •*Benzodiazepines: chlordiazepoxide (Librium®); diazepam (Valium®) •*Opiates: codeine; morphine •*Phenothiazines: chlorpromazine (Thorazine®); promazine (Sparine®); thioridazine (Mellaril®) •Others: acetaminophen (Tylenol®, Datril®); caffeine; carbamazepine (Tegretol®); cimetidine (Tagamet®); cocaine and/or metabolite; diphenhydramine (Benadryl®); ethchlorvynol (Placidyl®); glutethimide (Doriden®); meperidine (Demerol®); meprobamate (Miltown®, Equanil); methadone (Dolophine®); nicotine; pentazocine (Talwin®); phencyclidine (PCP); propoxyphene (Darvon®) or its metabolite norpropoxyphene; quinine/quinidine *Reported as a class if negative. Listed drugs reported if positive. Urine testing shows drug use over the last 2 or 3 days for amphetamines, cocaine, and opiates. Marijuana and its metabolites, cannabinoids, may be detectable for several weeks. Hair samples, which test the root end of the hair, reflect drug use within the last 2 to 3 months but not the most recent 2-3 weeks - the amount of time it takes for the hair to grow. Saliva detects which drugs have been used in the last 24 hours. Samples of sweat may be collected on an absorbent patch worn for several days to weeks and therefore can indicate drug use at any point during that extended period of time. These other types of samples are often used for specific purposes. For instance, hair samples may be used as an alternative to urine testing for employment or accident drug testing. Sweat testing may be used as a court-ordered monitoring tool in those who have been convicted of drug use, while saliva is often used by the insurance industry to test insurance applicants for drug use. Answered by Leonore Rosher 1 year ago.

This Site Might Help You. RE: How much urine is needed to do an extensive lab test break down of opiates? I know they had about 3 oz to do multiple tests after delivery of my baby. I know they wanted to test for illicit drug use. Opiates did come up in my system. I was prescribed cough syrup that had morphine in it and i want to make sure they had enough urine to do the extensive lab work to back up... Answered by Shu Schaab 1 year ago.

It is possible he will fail the lab test. The home tests are not the same and aren't as good as the lab tests. There is a bit of misinformation out there and that is cocaine is out of your system in 2-3 days. Well while that might be true LABS DON'T TEST FOR THE DRUG ITSELF. Yes, that is true, they look for the metabolite. A metabolite is something that the body produces when it ingests something, in the case of cocaine it is "benzoylecgonine" that will stay around long after the drug is gone, up to 30 days for a frequent user. THE DRUG ITSELF can stay in your bloodstream up to 72 hours. It can stay in your urine for about 1 or up to 3 days after single use. Habitual or chronic use can be detected in urine for up to 12 weeks depending on quantity, duration, and frequency of use. Answered by Augustine Glime 1 year ago.

Who is "they"? Are you on probation or parole and court-ordered to submit to drug testing? Is this a pre-employment or random employment drug testing in accordance with your company's policies? If not, then no one can drug test you without your consent. Whatever you do, don't use synthetic urine. I used it once and it came back positive for THC. Answered by Consuelo Vanskike 1 year ago.


Whatever happened to preludin 2 (phentermezine)?
I asked my doctor to prescribe me preludin, which I had taken for obesity in the early 80's. What I found is that no pharmacies have it. Is this still a drug that can be purchased? What are the substitutes? Can you get this in other countries? Asked by Ela Moline 1 year ago.

Pretty sure it was recalled due to rage over Phen-Phen diet. Was linked to heart attacks in users. Dont know if Canada offers that RX. Many law suits resulted in that diet pill rage. Answered by Lexie Criqui 1 year ago.

Preludin Diet Pills Answered by Marketta Reglin 1 year ago.

Like all amphetamine type drugs (SPEED), preludin got bad press and was not ordered anymore by physicians. I don't think it was taken off the market. Answered by Priscila Gallaway 1 year ago.


Where can one come accross some "phenmetrazine hydrochloride"?
It used to be marketed under the trade name "preludin." Asked by Brittni Mullings 1 year ago.

Talk to your doctor about Prelu-2 TR. Answered by Arie Wollman 1 year ago.


How much urine is needed to do an extensive lab test break down of opiates?
I know they had about 3 oz to do multiple tests after delivery of my baby. I know they wanted to test for illicit drug use. Opiates did come up in my system. I was prescribed cough syrup that had morphine in it and i want to make sure they had enough urine to do the extensive lab work to back up that it was only... Asked by Merissa Aguayo 1 year ago.

I know they had about 3 oz to do multiple tests after delivery of my baby. I know they wanted to test for illicit drug use. Opiates did come up in my system. I was prescribed cough syrup that had morphine in it and i want to make sure they had enough urine to do the extensive lab work to back up that it was only cough syrup. Also, what and how does it get broken down? What illicits drugs can they break down? Answered by Ahmed Plock 1 year ago.

Any toxicology lab will be able to detect the "broken down" metabolites of any substance they want to find: If cough syrup is all your worried about then tell "them" exactly what you took and they can tell if it's the same compounds or not using GC/MS (gas chromotography/mass spec) Drug Profile, Urine (Nine Drugs), Immunoassay With GC/MS Confirmation Synonyms: IA-9 Test Includes: Amphetamines; barbiturates; benzodiazepines; cannabinoids (marijuana); cocaine; methadone (Dolophine®); opiates (codeine, morphine only); phencyclidine (PCP); propoxyphene Specimen: Urine (random) Volume: 45 mL (about 4 tablespoons) Container: Use plastic urine drug bottle and evidence tape or tamper-evident container for forensic specimen. Collection kits are available by request from the laboratory. GC/MS confirmation Methodology: Initial test by immunoassay; confirmation of positives by gas chromatography/mass spectrometry (GC/MS) ---------------------- For a typical drug screen usually 20 mL of urine should be enough for additional drug testing. (per LabCorp.com) If a compound wants to be detected, it can be found using the instrumentation available in most toxicology labs. •Volatiles: acetone; ethanol; isopropanol; methanol •*Amphetamines: amphetamine (Dexedrine®), ephedrine/pseudoephedrine; methamphetamine (Desoxyn®); phenmetrazine (Preludin®); phentermine (Ionamin®); phenylpropanolamine •*Antidepressants: amitriptyline (Elavil®); desipramine (Norpramin®); doxepin (Adapin®, Sinequan®); imipramine (Tofranil®); nortriptyline (Pamelor®) •*Barbiturates: amobarbital (Amytal®); butabarbital (Butisol Sodium®); pentobarbital (Nembutal®); phenobarbital (Luminal®); secobarbital (Seconal®) •*Benzodiazepines: chlordiazepoxide (Librium®); diazepam (Valium®) •*Opiates: codeine; morphine •*Phenothiazines: chlorpromazine (Thorazine®); promazine (Sparine®); thioridazine (Mellaril®) •Others: acetaminophen (Tylenol®, Datril®); caffeine; carbamazepine (Tegretol®); cimetidine (Tagamet®); cocaine and/or metabolite; diphenhydramine (Benadryl®); ethchlorvynol (Placidyl®); glutethimide (Doriden®); meperidine (Demerol®); meprobamate (Miltown®, Equanil); methadone (Dolophine®); nicotine; pentazocine (Talwin®); phencyclidine (PCP); propoxyphene (Darvon®) or its metabolite norpropoxyphene; quinine/quinidine *Reported as a class if negative. Listed drugs reported if positive. Urine testing shows drug use over the last 2 or 3 days for amphetamines, cocaine, and opiates. Marijuana and its metabolites, cannabinoids, may be detectable for several weeks. Hair samples, which test the root end of the hair, reflect drug use within the last 2 to 3 months but not the most recent 2-3 weeks - the amount of time it takes for the hair to grow. Saliva detects which drugs have been used in the last 24 hours. Samples of sweat may be collected on an absorbent patch worn for several days to weeks and therefore can indicate drug use at any point during that extended period of time. These other types of samples are often used for specific purposes. For instance, hair samples may be used as an alternative to urine testing for employment or accident drug testing. Sweat testing may be used as a court-ordered monitoring tool in those who have been convicted of drug use, while saliva is often used by the insurance industry to test insurance applicants for drug use. Answered by Deedee Tahu 1 year ago.

This Site Might Help You. RE: How much urine is needed to do an extensive lab test break down of opiates? I know they had about 3 oz to do multiple tests after delivery of my baby. I know they wanted to test for illicit drug use. Opiates did come up in my system. I was prescribed cough syrup that had morphine in it and i want to make sure they had enough urine to do the extensive lab work to back up... Answered by Wanda Beninato 1 year ago.

It is possible he will fail the lab test. The home tests are not the same and aren't as good as the lab tests. There is a bit of misinformation out there and that is cocaine is out of your system in 2-3 days. Well while that might be true LABS DON'T TEST FOR THE DRUG ITSELF. Yes, that is true, they look for the metabolite. A metabolite is something that the body produces when it ingests something, in the case of cocaine it is "benzoylecgonine" that will stay around long after the drug is gone, up to 30 days for a frequent user. THE DRUG ITSELF can stay in your bloodstream up to 72 hours. It can stay in your urine for about 1 or up to 3 days after single use. Habitual or chronic use can be detected in urine for up to 12 weeks depending on quantity, duration, and frequency of use. Answered by Angila Weddell 1 year ago.

Who is "they"? Are you on probation or parole and court-ordered to submit to drug testing? Is this a pre-employment or random employment drug testing in accordance with your company's policies? If not, then no one can drug test you without your consent. Whatever you do, don't use synthetic urine. I used it once and it came back positive for THC. Answered by Alfonso Tok 1 year ago.


Whatever happened to preludin 2 (phentermezine)?
I asked my doctor to prescribe me preludin, which I had taken for obesity in the early 80's. What I found is that no pharmacies have it. Is this still a drug that can be purchased? What are the substitutes? Can you get this in other countries? Asked by Chang Demint 1 year ago.

Pretty sure it was recalled due to rage over Phen-Phen diet. Was linked to heart attacks in users. Dont know if Canada offers that RX. Many law suits resulted in that diet pill rage. Answered by Delia Kapperman 1 year ago.

Preludin Diet Pills Answered by Bradley Kleimola 1 year ago.

Like all amphetamine type drugs (SPEED), preludin got bad press and was not ordered anymore by physicians. I don't think it was taken off the market. Answered by Holli Cardazone 1 year ago.


Where can one come accross some "phenmetrazine hydrochloride"?
It used to be marketed under the trade name "preludin." Asked by Lesli Szczepanski 1 year ago.

Talk to your doctor about Prelu-2 TR. Answered by Loree Ojeda 1 year ago.


How much urine is needed to do an extensive lab test break down of opiates?
I know they had about 3 oz to do multiple tests after delivery of my baby. I know they wanted to test for illicit drug use. Opiates did come up in my system. I was prescribed cough syrup that had morphine in it and i want to make sure they had enough urine to do the extensive lab work to back up that it was only... Asked by Sylvia Defonce 1 year ago.

I know they had about 3 oz to do multiple tests after delivery of my baby. I know they wanted to test for illicit drug use. Opiates did come up in my system. I was prescribed cough syrup that had morphine in it and i want to make sure they had enough urine to do the extensive lab work to back up that it was only cough syrup. Also, what and how does it get broken down? What illicits drugs can they break down? Answered by Max Goodger 1 year ago.

Any toxicology lab will be able to detect the "broken down" metabolites of any substance they want to find: If cough syrup is all your worried about then tell "them" exactly what you took and they can tell if it's the same compounds or not using GC/MS (gas chromotography/mass spec) Drug Profile, Urine (Nine Drugs), Immunoassay With GC/MS Confirmation Synonyms: IA-9 Test Includes: Amphetamines; barbiturates; benzodiazepines; cannabinoids (marijuana); cocaine; methadone (Dolophine®); opiates (codeine, morphine only); phencyclidine (PCP); propoxyphene Specimen: Urine (random) Volume: 45 mL (about 4 tablespoons) Container: Use plastic urine drug bottle and evidence tape or tamper-evident container for forensic specimen. Collection kits are available by request from the laboratory. GC/MS confirmation Methodology: Initial test by immunoassay; confirmation of positives by gas chromatography/mass spectrometry (GC/MS) ---------------------- For a typical drug screen usually 20 mL of urine should be enough for additional drug testing. (per LabCorp.com) If a compound wants to be detected, it can be found using the instrumentation available in most toxicology labs. •Volatiles: acetone; ethanol; isopropanol; methanol •*Amphetamines: amphetamine (Dexedrine®), ephedrine/pseudoephedrine; methamphetamine (Desoxyn®); phenmetrazine (Preludin®); phentermine (Ionamin®); phenylpropanolamine •*Antidepressants: amitriptyline (Elavil®); desipramine (Norpramin®); doxepin (Adapin®, Sinequan®); imipramine (Tofranil®); nortriptyline (Pamelor®) •*Barbiturates: amobarbital (Amytal®); butabarbital (Butisol Sodium®); pentobarbital (Nembutal®); phenobarbital (Luminal®); secobarbital (Seconal®) •*Benzodiazepines: chlordiazepoxide (Librium®); diazepam (Valium®) •*Opiates: codeine; morphine •*Phenothiazines: chlorpromazine (Thorazine®); promazine (Sparine®); thioridazine (Mellaril®) •Others: acetaminophen (Tylenol®, Datril®); caffeine; carbamazepine (Tegretol®); cimetidine (Tagamet®); cocaine and/or metabolite; diphenhydramine (Benadryl®); ethchlorvynol (Placidyl®); glutethimide (Doriden®); meperidine (Demerol®); meprobamate (Miltown®, Equanil); methadone (Dolophine®); nicotine; pentazocine (Talwin®); phencyclidine (PCP); propoxyphene (Darvon®) or its metabolite norpropoxyphene; quinine/quinidine *Reported as a class if negative. Listed drugs reported if positive. Urine testing shows drug use over the last 2 or 3 days for amphetamines, cocaine, and opiates. Marijuana and its metabolites, cannabinoids, may be detectable for several weeks. Hair samples, which test the root end of the hair, reflect drug use within the last 2 to 3 months but not the most recent 2-3 weeks - the amount of time it takes for the hair to grow. Saliva detects which drugs have been used in the last 24 hours. Samples of sweat may be collected on an absorbent patch worn for several days to weeks and therefore can indicate drug use at any point during that extended period of time. These other types of samples are often used for specific purposes. For instance, hair samples may be used as an alternative to urine testing for employment or accident drug testing. Sweat testing may be used as a court-ordered monitoring tool in those who have been convicted of drug use, while saliva is often used by the insurance industry to test insurance applicants for drug use. Answered by Sandy Ouren 1 year ago.

This Site Might Help You. RE: How much urine is needed to do an extensive lab test break down of opiates? I know they had about 3 oz to do multiple tests after delivery of my baby. I know they wanted to test for illicit drug use. Opiates did come up in my system. I was prescribed cough syrup that had morphine in it and i want to make sure they had enough urine to do the extensive lab work to back up... Answered by Kendall Feigel 1 year ago.

It is possible he will fail the lab test. The home tests are not the same and aren't as good as the lab tests. There is a bit of misinformation out there and that is cocaine is out of your system in 2-3 days. Well while that might be true LABS DON'T TEST FOR THE DRUG ITSELF. Yes, that is true, they look for the metabolite. A metabolite is something that the body produces when it ingests something, in the case of cocaine it is "benzoylecgonine" that will stay around long after the drug is gone, up to 30 days for a frequent user. THE DRUG ITSELF can stay in your bloodstream up to 72 hours. It can stay in your urine for about 1 or up to 3 days after single use. Habitual or chronic use can be detected in urine for up to 12 weeks depending on quantity, duration, and frequency of use. Answered by Cecil Vinegar 1 year ago.

Who is "they"? Are you on probation or parole and court-ordered to submit to drug testing? Is this a pre-employment or random employment drug testing in accordance with your company's policies? If not, then no one can drug test you without your consent. Whatever you do, don't use synthetic urine. I used it once and it came back positive for THC. Answered by Ramiro Larsen 1 year ago.


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