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Methamphetamine: Difference between revisions

From Pharmacopedia
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Expand stub to full MedTemplate parameter set
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{{MedTemplate
{{MedTemplate
| generic           = Methamphetamine
| generic           = Methamphetamine
| brand             = Desoxyn
| brand             = Desoxyn
| structure         =  
| structure         = Methamphetamine.svg
| classes           = Amphetamine, Psychostimulant
| classes           = Psychostimulant, Amphetamine
| mechanism          = Potent monoamine releasing agent
| uses              = <vote slug="inattention-meth">Inattention</vote>, <vote slug="hyperactivity-meth">Hyperactivity</vote>, <vote slug="obesity-meth">Obesity</vote>
| uses              =  
| starting_dose    = 5 mg PO
| starting_dose     =  
| preparations     = Desoxyn 5 mg tabs
| preparations      =  
| fda_max          = 25 mg/day (ADHD per Desoxyn label); 15 mg/day (obesity, short-term, per Desoxyn label)
| routes             =  
| routes           = Oral (prescribed)
| onset             =  
| onset             =  
| duration           =  
| duration         =  
| halflife           =  
| halflife         =  
| bioavailability   =  
| bioavailability   =  
| pregnancy         =  
| pregnancy         = Category C (per Desoxyn label)
| legal             =  
| legal             = Schedule II
| intro             =  
| mechanism        = Monoamine releasing agent, TAAR1 agonism, VMAT2 substrate, DAT/NET reverse transport
| pharmacokinetics  =  
| intro             = '''Methamphetamine''' is a CNS stimulant of the amphetamine class. It is FDA-approved (as '''Desoxyn''') for attention-deficit hyperactivity disorder and short-term management of obesity. It is a Schedule II controlled substance in the United States.
| pharmacodynamics  =  
| indications      = <problem slug="adhd" title="ADHD in children, adolescents, and adults" author="MDElliottMD"/>
| indications        =  
<problem slug="obesity" title="Obesity (short-term)" author="MDElliottMD"/>
| dosing            =  
| dosing            = | effects          =
| effects            =  
* <effect ref="attention" author="MDElliottMD"/>
| contraindications =  
* <effect ref="wakefulness" author="MDElliottMD"/>
| interactions       =  
* <effect ref="motivation" author="MDElliottMD"/>
| pregnancy_details =  
* <effect ref="euphoria" author="MDElliottMD"/>
| monitoring         =  
* <effect ref="decreased-appetite" author="MDElliottMD"/>
| counseling         =  
* <effect ref="dry-mouth" author="MDElliottMD"/>
| anecdotes         =  
* <effect ref="hr-bp-elevation" author="MDElliottMD"/>
| seealso           =  
* <effect ref="insomnia" author="MDElliottMD"/>
| references         =  
* <effect ref="irritability" author="MDElliottMD"/>
* <effect ref="anxiety" author="MDElliottMD"/>
* <effect ref="headache" author="MDElliottMD"/>
* <effect ref="weight-loss" author="MDElliottMD"/>
* <effect ref="palpitations" author="MDElliottMD"/>
* <effect ref="bruxism" author="MDElliottMD"/>
* <effect ref="stereotypies" author="MDElliottMD"/>
* <effect ref="agitation" author="MDElliottMD"/>
* <effect ref="psychosis" author="MDElliottMD"/>
* <effect ref="mania" author="MDElliottMD"/>
* <effect ref="dependence" author="MDElliottMD"/>
* <effect ref="tolerance" author="MDElliottMD"/>
* <effect ref="cardiac-event" author="MDElliottMD"/>
* <effect ref="seizure" author="MDElliottMD"/>
* <effect ref="hyperthermia" author="MDElliottMD"/>
* <effect ref="serotonin-syndrome" author="MDElliottMD"/>
* <effect ref="withdrawal" author="MDElliottMD"/>
| pk_absorption    =  
| pk_distribution  =  
| pk_metabolism    = Hepatic metabolism includes N-demethylation to amphetamine (an active metabolite).
| pk_elimination    = Urinary elimination is pH-dependent.
| pharmacodynamics = Methamphetamine acts at monoaminergic terminals as a releasing agent via TAAR1 agonism, VMAT2 substrate activity, and DAT/NET reverse transport. Secondary mechanisms include weak monoamine reuptake inhibition.
| interactions     = * '''MAOIs''', contraindicated (per label)
* '''Acidifying agents''', increase urinary clearance
* '''Alkalinizing agents''', decrease urinary clearance
<pharmaInteractions/>
| pregnancy_details = Category C per Desoxyn label.
| monitoring       =  
| counseling       =  
| anecdotes         =  
| seealso           = [[Mixed amphetamine salts]], [[Dextroamphetamine]], [[Lisdexamfetamine]], [[Methylphenidate]], [[Dexmethylphenidate]], [[Modafinil]]
| references       = <references/>
}}
}}


[[Category:Psychostimulants]]
[[Category:Psychostimulants]]
 
[[Category:Amphetamines]]
[[Category:Psychostimulants]]
[[Category:Phenethylamines]]