Alprazolam
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Trade Name
Xanax (immediate-release), Xanax XR (extended-release); generic alprazolam
Classification
Benzodiazepine; anxiolytic, sedative-hypnotic; Schedule IV controlled substance
Dosage/Route
- * Dosage:
- – Immediate-release (IR): 0.25 mg, 0.5 mg, 1 mg, 2 mg tablets
- – Extended-release (XR): 0.5 mg, 1 mg, 2 mg, 3 mg tablets
- * Route: Oral (PO)
Usual Dosage
- * Anxiety: IR: 0.25-0.5 mg PO 2-3 times daily (BID-TID); max 4 mg/day
- * Panic Disorder: IR: 0.5 mg PO TID, titrate to 1-10 mg/day; XR: 3-6 mg PO once daily
- * Elderly/Debilitated: Start 0.25 mg PO BID-TID; lower max doses
- * Short-term use (≤8-12 weeks); taper to discontinue
Mechanism of Action
Enhances GABA activity by binding to benzodiazepine receptors on the GABA-A complex in the CNS. Increases inhibitory neurotransmission, producing anxiolytic, sedative, and anticonvulsant effects
Side Effects & Adverse Effects
- * Side Effects: Drowsiness, dizziness, fatigue, dry mouth
- * Adverse Effects:
- – Dependence/withdrawal (boxed warning; seizures, agitation if stopped abruptly)
- – Respiratory depression (esp. with opioids/alcohol)
- – Memory impairment, confusion (esp. elderly)
- – Paradoxical excitation (rare; agitation)
Nursing Management (Implications & Teachings)
- * Implications:
- – Assess sedation level, fall risk (esp. elderly)
- – Monitor for abuse/dependence (Schedule IV); track refills
- – Avoid with CNS depressants (e.g., opioids—boxed warning)
- – Taper dose if stopping (e.g., reduce 0.5 mg q3 days)
- * Teachings:
- – Take as prescribed; don’t increase dose
- – Avoid alcohol/driving (impairs alertness)
- – Report worsening anxiety, confusion, or breathing issues
- – Don’t stop suddenly—consult provider for taper
Indication for This Patient
- * Anxiety disorders (short-term relief of symptoms)
- * Panic disorder (with/without agoraphobia)
Time
- * Timing: IR: 2-3 times daily; XR: once daily (morning)
- * Onset: IR: 15-30 min; XR: 1-2 hours
- * Peak: IR: 1-2 hours; XR: 5-11 hours
- * Duration: IR: 6-12 hours; XR: 24 hours