Alprazolam: Difference between revisions
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Alprazolam | [[File:Xanax.jpg|250px|right]] | ||
'''Alprazolam''' is a short acting anxiolytic of the [[Benzodiazepines|benzodiazepine]] class of drugs. It is commonly used and FDA approved for the treatment of panic disorders and anxiety disorders, such as GAD/SAD. It is available in both instant and time released version. | |||
= History = | == History == | ||
Alprazolam was first released by | Alprazolam was first released by Upjohn, under the brand name Xanax. The patent was filed in October 1969, granted in October of 1976, and expired in September of 1993. It was first released in 1981, for the treatment of panic disorders. | ||
= Formulations = | == Formulations == | ||
Instant release tablets are available in 0.25mg, 0.5mg, 1mg, and 2mg. | Instant release tablets are available in 0.25mg, 0.5mg, 1mg, and 2mg. | ||
| Line 13: | Line 14: | ||
Oral solutions are available in 0.5mg/5mL and as 1mg/1mL solutions. | Oral solutions are available in 0.5mg/5mL and as 1mg/1mL solutions. | ||
= Dosage = | == Dosage == | ||
Note: Higher doses have an increased risk of blacking out. | Note: Higher doses have an increased risk of blacking out. | ||
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{| class="wikitable" | {| class="wikitable" | ||
|+ Oral | |+ Oral | ||
| Light ||.25-.5mg | | Light ||0.25-0.5mg | ||
|- | |- | ||
| Line 35: | Line 36: | ||
|} | |} | ||
= Duration = | == Duration == | ||
Note: Duration can be significantly longer with higher doses. | Note: Duration can be significantly longer with higher doses. | ||
| Line 43: | Line 44: | ||
| Onset || 20-40 minutes | | Onset || 20-40 minutes | ||
|- | |||
| Duration || 5-8 hours | | Duration || 5-8 hours | ||
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|} | |} | ||
= Effects = | == Effects == | ||
== Positive == | === Positive === | ||
*Euphoria | *Euphoria | ||
| Line 57: | Line 60: | ||
*Anti-Anxiety effects | *Anti-Anxiety effects | ||
== Neutral == | === Neutral === | ||
*Drowsiness | *Drowsiness | ||
*Appetite fluctuation | *Appetite fluctuation | ||
== Negative == | === Negative === | ||
*Memory loss | *Memory loss | ||
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*Emotional and social dissociation or de-realization (long term use) | *Emotional and social dissociation or de-realization (long term use) | ||
= Harm Reduction = | == Harm Reduction == | ||
When on high doses of benzodiazepines, users are likely to black out and potentially hurt themselves through a variety of adventures. If you are using it as a sleep aid, it's | When on high doses of [[Benzodiazepines|benzodiazepines]], users are likely to black out and potentially hurt themselves through a variety of adventures. If you are using it as a sleep aid, it's recommended to continue doing what you're doing until you begin to feel drowsy, then go to bed. | ||
Some users report Alprazolam ( | Some users report Alprazolam (and [[Benzodiazepines|benzodiazepines]] in general) to lead to compulsive redosing, trying to find a “high” which is where a fair amount of the point above comes from. To avoid this keep doses low and be wary of reduced inhibitions while under the influence of Alprazolam. | ||
== Interactions == | === Interactions === | ||
As with other depressants, Alprazolam should not be combined with any other CNS depressants (such as [[Alcohol]]), at the risk of respiratory depression, which can lead to death. | As with other depressants, Alprazolam should not be combined with any other CNS depressants (such as [[Alcohol]]), at the risk of respiratory depression, which can lead to death. | ||
See the [[Drug combinations]] chart for more information. | See the [[Drug combinations]] chart for more information. | ||
= Chemistry and Pharmacology = | == Chemistry and Pharmacology == | ||
Alprazolam is absorbed fairly rapidly, with peak plasma levels achieved around the one-two hour mark. | Alprazolam is absorbed fairly rapidly, with peak plasma levels achieved around the one-two hour mark. | ||
It is primarily metabilised via CYP3A4. Alprazolam is a chemical analogue of triazolam. It is a triazolobenzodiazepine. It binds to the GABA(a) receptor and modulates the function of the GABA receptor. You can learn more about the GABA(a) receptor | It is primarily metabilised via CYP3A4. Alprazolam is a chemical analogue of triazolam. It is a triazolobenzodiazepine. It binds to the GABA(a) receptor and modulates the function of the GABA receptor. You can learn more about the GABA(a) receptor [[GABA Receptors and Subunits Info|here]]. | ||
The LD50 of Alprazolam in rats is 331-2171mg/kg. | |||
An Australian study (2004) of overdose admissions between 1987 and 2002 found alprazolam, which happens to be the most prescribed [[Benzodiazepines|benzodiazepine]] in the U.S. by a large margin, to be more toxic than [[Diazepam|diazepam]] and other [[Benzodiazepines|benzodiazepines]]. | |||
== Legal Status == | |||
===USA=== | |||
Alprazolam is a schedule IV substance. | Alprazolam is a schedule IV substance. | ||
==UK== | ===UK=== | ||
Under the UK drug misuse classification system benzodiazepines are class C drugs (Schedule 4). | |||
Under the UK drug misuse classification system benzodiazepines are class C drugs (Schedule 4) | ===Ireland=== | ||
==Ireland== | |||
Alprazolam is a schedule 4 medicine. | Alprazolam is a schedule 4 medicine. | ||
==Sweden== | ===Sweden=== | ||
Alprazolam is a prescription drug in List IV under the Narcotic Drugs Act (1968). | |||
===Netherlands=== | |||
Alprazolam is a List 2 substance of the Opium Law and is available for prescription. | |||
===Australia=== | |||
Alprazolam was orginally a Schedule 4 (prescription only) medication; yet as of February 2014 it has become a Schedule 8 medication. | |||
[[Category:Drugs]] | |||
[[Category:Benzodiazepine]] | |||
[[Category:Depressant]] | |||
Latest revision as of 04:23, 26 June 2015
Alprazolam is a short acting anxiolytic of the benzodiazepine class of drugs. It is commonly used and FDA approved for the treatment of panic disorders and anxiety disorders, such as GAD/SAD. It is available in both instant and time released version.
History
Alprazolam was first released by Upjohn, under the brand name Xanax. The patent was filed in October 1969, granted in October of 1976, and expired in September of 1993. It was first released in 1981, for the treatment of panic disorders.
Formulations
Instant release tablets are available in 0.25mg, 0.5mg, 1mg, and 2mg.
Extended Release tablets are available in 0.5mg, 1mg, 2mg, and 3mg.
Oral solutions are available in 0.5mg/5mL and as 1mg/1mL solutions.
Dosage
Note: Higher doses have an increased risk of blacking out.
| Light | 0.25-0.5mg |
| Common | 0.5-1.5mg |
| Strong | 1.5-2mg |
| Heavy | 2-3mg |
Duration
Note: Duration can be significantly longer with higher doses.
| Onset | 20-40 minutes |
| Duration | 5-8 hours |
Effects
Positive
- Euphoria
- Relaxation
- Anti-Anxiety effects
Neutral
- Drowsiness
- Appetite fluctuation
Negative
- Memory loss
- Blackout potential
- Motor skill impairment
- Dizziness
- Depression
- Irritability, aggression, rage
- Personality changes
- Emotional and social dissociation or de-realization (long term use)
Harm Reduction
When on high doses of benzodiazepines, users are likely to black out and potentially hurt themselves through a variety of adventures. If you are using it as a sleep aid, it's recommended to continue doing what you're doing until you begin to feel drowsy, then go to bed.
Some users report Alprazolam (and benzodiazepines in general) to lead to compulsive redosing, trying to find a “high” which is where a fair amount of the point above comes from. To avoid this keep doses low and be wary of reduced inhibitions while under the influence of Alprazolam.
Interactions
As with other depressants, Alprazolam should not be combined with any other CNS depressants (such as Alcohol), at the risk of respiratory depression, which can lead to death. See the Drug combinations chart for more information.
Chemistry and Pharmacology
Alprazolam is absorbed fairly rapidly, with peak plasma levels achieved around the one-two hour mark.
It is primarily metabilised via CYP3A4. Alprazolam is a chemical analogue of triazolam. It is a triazolobenzodiazepine. It binds to the GABA(a) receptor and modulates the function of the GABA receptor. You can learn more about the GABA(a) receptor here.
The LD50 of Alprazolam in rats is 331-2171mg/kg.
An Australian study (2004) of overdose admissions between 1987 and 2002 found alprazolam, which happens to be the most prescribed benzodiazepine in the U.S. by a large margin, to be more toxic than diazepam and other benzodiazepines.
Legal Status
USA
Alprazolam is a schedule IV substance.
UK
Under the UK drug misuse classification system benzodiazepines are class C drugs (Schedule 4).
Ireland
Alprazolam is a schedule 4 medicine.
Sweden
Alprazolam is a prescription drug in List IV under the Narcotic Drugs Act (1968).
Netherlands
Alprazolam is a List 2 substance of the Opium Law and is available for prescription.
Australia
Alprazolam was orginally a Schedule 4 (prescription only) medication; yet as of February 2014 it has become a Schedule 8 medication.