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Alprazolam

Medication benzodiazepine mental health
Aka: Xanax
Brands seen in Singapore: Xanax, Xanax XR, Zacetin, Apo-Alpraz
Not medical advice. Check with your doctor or pharmacist before you start, stop or change the timing of anything you take.
How to use
What it’s for
Prescribed short-term for anxiety or panic symptoms
When to take
HealthHub: with or without food, as the doctor directs
Take with
Water · HealthHub: alcohol can cause excessive sleepiness
Pros & cons
Pros
  • HealthHub: for short-term anxiety or panic symptoms
  • HealthHub: most side effects improve with time
  • HealthHub: with or without food
Cons
  • HealthHub: habit-forming at high doses or long use
  • Hh: drowsiness, dizziness, dry mouth, unsteadiness
  • HealthHub: abrupt stopping can trigger withdrawal fits
Sources
  1. HSA — Listing of Registered Therapeutic Products (data.gov.sg open dataset, 5,511 rows, cached in full and filtered locally) · read 2026-08-27
    what it says
    “All 7 registered alprazolam products carry Forensicclassification 'Prescription Only' — SIN01984P XANAX TABLET 0.25 mg · SIN01985P XANAX TABLET 0.5 mg · SIN09173P XANAX XR 0.5 mg · SIN10458P ZACETIN 0.25 mg · SIN07871P APO-ALPRAZ 0.5 mg”
  2. HealthHub (National Medication Information workgroup, SG) — Alprazolam: what is this medication for · read 2026-08-27
    what it says
    “Alprazolam belongs to a class of medications known as benzodiazepines. It can be used for short term treatment of anxiety or panic symptoms such as: Feeling constantly worried and helpless; Very fast heartbeat”
  3. HealthHub — Alprazolam: how should I take this medication · read 2026-08-27
    what it says
    “Follow the instructions on your medication label and take this medication as prescribed by your doctor. This medication may be taken with or without food … obtain this medication from the same doctor or clinic whenever possible.”
  4. HealthHub — Alprazolam: common side effects · read 2026-08-27
    what it says
    “Nausea or stomach discomfort … Constipation … Dizziness … Dry mouth … Drowsiness or feeling tired … Feeling clumsy or unsteady. Most of the side effects listed here will improve with time.”
  5. HealthHub — Alprazolam: dependence and habit-forming potential · read 2026-08-27
    what it says
    “This medication may be habit-forming when taken excessively or for a prolonged duration (especially at high doses) … On a short-term basis (2 - 4 weeks); At the lowest effective dose; Intermittently”
  6. HealthHub — Alprazolam: stopping the medication · read 2026-08-27
    what it says
    “do not stop taking it abruptly as it may lead to withdrawal symptoms such as increased sweating, increased heart rate, tremors, trouble sleeping, increased agitation, hallucinations … and in severe cases, medical emergencies such as fits.”
  7. HealthHub — Alprazolam: what precautions should I take · read 2026-08-27
    what it says
    “Lung, brain, kidney or liver disease; Previous drug or alcohol abuse; Glaucoma (high pressure in the eyes), seizures (fits), Myasthenia Gravis … or sleep apnea … Some of them may cause serious drug interactions”
  8. HealthHub — Alprazolam: what food or medication should I avoid · read 2026-08-27
    what it says
    “Avoid drinking alcohol while taking Alprazolam as it can cause excessive sleepiness.”
  9. US FDA label for XANAX (alprazolam), section 2.1 Dosage in Generalized Anxiety Disorder, via openFDA (Pharmacia & Upjohn, effective 2023-01-18) · read 2026-08-27
    what it says
    “The recommended starting oral dosage of XANAX for the acute treatment of patients with GAD is 0.25 mg to 0.5 mg administered three times daily … The maximum recommended dosage is 4 mg daily (in divided doses).”
  10. US FDA label for XANAX (alprazolam), section 2.2 Dosage in Panic Disorder, via openFDA · read 2026-08-27
    what it says
    “Recommended starting oral dosage is 0.5 mg three times daily. The dosage may be increased at intervals of every 3 to 4 days in increments of no more than 1 mg per day.”
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Updated 2026-08-29. Every line above traces to a numbered source. Kozen-X is not a medical device and does not give medical advice. It lists what published sources have written down — nothing more. A pair not listed is unrecorded, not cleared. Before you start, stop or re-time anything, talk to your doctor or pharmacist.