> Western Medicines > Alprazolam


Used for: Sedation, Anxiety, Panic disorder
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What is Alprazolam for?

Alprazolam belongs to a group of medicines called benzodiazepines, which are used for the acute short-term treatment of anxiety. Your doctor or dentist may prescribe Alprazolam (Xanax) to help prevent anxiety and provide light sedation prior to a medical or dental procedure.

How to use it?

Alprazolam (Xanax) can be taken orally. The usual adult dosage is 250-500 micrograms 3 times daily, you may increase if necessary up to 3 mg daily upon professional advice. As for debilitated patients, you may use an elderly dose, which is 250 micrograms 2-3 times daily and increase if necessary up to 3 mg daily.

What are the side effects of Alprazolam?

Common side effects of Alprazolam include decreased alertness, dizziness and drowsiness, nausea, and sleep disorders. Gait and coordination problems (ataxia) and confusion are more commonly seen in the elderly; whereas respiratory depression may occur with high doses of Alprazolam, when combined with opioid medications, and when used intravenously.

Who should not take Alprazolam?

  • People who are allergic to Alprazolam and other benzodiazepines
  • People who are taking opioids
  • Patients with severe respiratory insufficiency

Pharmacist Tips:

  • Avoid using opioids or alcohol with Benzodiazepines, since it may cause life-threatening respiratory depression.
  • Avoid activities requiring mental alertness or coordination such as driving until you know how you respond to Alprazolam.
  • Many people who take Alprazolam on a regular basis will become dependent on the drug. Discuss how to stop Alprazolam safely with your doctor or pharmacist.

Common dosing schedule:
Alprazolam can be taken with or without food.


This schedule is for reference only, adjustments may be made according to individual needs.


Some common medications Alprazolam may interact with:
Alprazolam can interact with a number of other medications.


Please notify your doctor or pharmacist if you are taking the above medication, dosage adjustments might be needed.

Where to buy Alprazolam in Hong Kong?

In Hong Kong, Alprazolam is a prescription-only medicine and requires a prescription from a doctor to be purchased in a pharmacy. It can also be obtained from doctors. To find a pharmacy near you, refer to the list of pharmacies (“Authorized Sellers of Poisons”) from the Hong Kong Department of Health.


For more information about drug names and ingredients, you can visit Hong Kong’s Drug Office at https://www.drugoffice.gov.hk

Need more information?

For detailed information about the use of Alprazolam in children, pregnancy and breastfeeding, and for questions about drug interactions, please check with your pharmacist or doctor.

Disclaimer: our goal is to provide you with the most relevant drug information and common dosage for Hong Kong. This information does not constitute medical advice. For specific treatment recommendations and advice, always discuss with your doctor or pharmacist, and follow the instructions included with your specific medicine.

Brands in Hong Kong
Available dosage
  • 0.25mg / 0.5mg / 1mg / 2mg (Tablets)
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Other drugs in same class
Used for: Anxiety
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Used for: Insomnia
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Used for: Anxiety
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Used for: Seizures, Panic disorder, Anxiety disorder
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