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Alprazolam

Alprazolam, available under the trade name Xanax, is a potent, short-acting anxiolytic of the benzodiazepine class. More

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Description

Alprazolam, available under the trade name Xanax, is a potent, short-acting anxiolytic of the benzodiazepine class.

Generic Name

Alprazolam

Chemical names

Alprazolam, Xanax, Tafil, Trankimazin, Cassadan

Brand names

Abizox-P, Abizox-SR, Agcalm-P, Alep-SR, Alprax Forte, Alprax-SR, Alprazolam, Alprine Plus, Alprine-H, Alprocontin, Alrif-S, Alrif-XR, Alrif

IUPAC name

12-chloro-3-methyl-9-phenyl-2,4,5,8 tetraazatricyclo[8.4.0.0²,?]tetradeca-1(10),3,5,8,11,13-hexaene

Pharmacokinetics

  • Absorption: GI(Oral)
  • Distribution: 80% protein binding
  • Metabolism: Hepatic
  • Excretion: Urine

Actions

Benzodiazepines bind nonspecifically to benzodiazepine receptors BNZ1, which mediates sleep, and BNZ2, which affects muscle relaxation, motor coordination, anticonvulsant activity, and memory. As benzodiazepine receptors are thought to be coupled to gamma-aminobutyric acid-A (GABAA) receptors, this enhances the effects of GABA by increasing GABA affinity for the GABA receptor. Binding of the inhibitory neurotransmitter GABA to the site opens the chloride channel, resulting in a hyperpolarized cell membrane that prevents further excitation of the cell.

Dosage/Dosage form

  • 0.25-0.5 mg/day, increased to 3-4 mg daily if necessary for the management of anxiety.
  • 10 mg daily for panic attacks

Therapeutic uses

  • Anxiety caused by depression.
  • Anxiety disorders and panic disorders 

Adverse effects/Side effects

Psychological and physical dependence, sedation, withdrawal syndrome, drowsiness, vertigo, visual disturbances, headache, GI disturbances, fatigue, jaundice, muscle weakness, dizziness, ataxia, confusion and depression.

Interaction

  • Alprazolam enhances activity of imipramine & despramine.
  • Cimetidine & fluxetine reduce the clearance of alprazolam.

Contraindications

Contraindicated in patients with hypersensitivity, Increase ocular pressure and who are taking ketoconazole.

Storage

Store below 25°C.

Information

Molecular weight

308.765

Molecular formula

C17H13ClN4

CAS number

28981-97-7

Precautions

Patients of respiratory disorders, kidney or liver impairments should be take caution.