Alprax XR Tablet

Alprax XR is a triazolo analogue of the 1,4-benzodiazepine class of drugs. It is an anxiolytic with hypnotic and anticonvulsive properties. Alprax XR is presumed to produce its effects via interacting with the Gamma Aminobutyric Acid (GABA) - benzodiazepine receptor complex. Like all benzodiazepines, it causes a dose related CNS depressant activity varying from mild impairment of task performance to hypnosis.


  • * Anxiety disorder
  • * Short term relief of anxiety
  • * Anxiety associated with depression
  • * Panic disorder, with or without agoraphobia.

Alprax XR is also used to associated treatment for these conditions: Anxiety, Generalized Anxiety Disorder (GAD), Panic Disorder

Trade Name Alprax XR
Generic Alprazolam
Other Names Alprazolam
Weight 2mg, 1 mg
Type Tablet
Formula C17H13ClN4
Weight Average: 308.765
Monoisotopic: 308.082874143
Protein binding

Alprazolam is 80% protein bound in serum. The majority of this protein binding is to serum albumin. Alprazolam is also bound to alpha1-acid glycoprotein with low frequency.

Therapeutic Class Benzodiazepine sedatives
Manufacturer Opsonin Pharma Ltd
Available Country Bangladesh
Last Updated: June 23, 2021 at 11:16 am


Alprax XR dosage

Treatment should be initiated with a dose of 0.25 to 0.5 mg three times daily. Depending on the response, dose may

be increased at intervals of 3 to 4 days in increments of no more than 1 mg per day. The maximum dose should not

exceed 4 mg/day. Occasional patients with panic disorder may need as much as 10 mg a day to achieve a

successful response and in these cases periodic reassessment and consideration of dosage adjustment is required.

Dosage should be individualized for maximum beneficial effect with a lowest possible dose. If side-effects occur at

starting dose, dose may be lowered. When discontinuing therapy, dosage should be reduced gradually by no more

than 0.5 mg every three days.

In elderly patients or in patients with advanced liver disease, the usual starting dose is 0.25 mg, two or three times

daily and may be gradually increased if needed and tolerated. Safety and effectiveness of Alprax XR in individuals

below 18 years of age have not been established.

Alprax XR XR 1 should be administered once daily, preferably in the morning by patients who are on multiple dosage

regimen of Alprax XR 0.25/0.5 mg. The tablets should be taken intact, they should not be chewed, crushed, or broken.

Side Effects

Side effects, if occur, are generally observed at the beginning of therapy and usually disappear upon continued medication. The most frequent side effects are drowsiness and light headedness. The other side effects, that may occur include depression, headache, confusion, dry mouth, constipation etc.


Because Alprax XR may produce psychological and physical dependence, increment of dose or abrupt discontinuation of Alprax XR therapy should not be done without physician's advice. Duration of therapy must be determined by the physicians. Alprax XR should be administered with caution to patients with hepatic or renal disease, chronic pulmonary insufficiency or sleep apnea.


Alprax XR produces additive CNS depressant effects when co-administered with other psychotropic medications, anticonvulsants, antihistaminics, ethanol and other drugs which themselves produce CNS depression.

Food Interaction

  • Avoid alcohol. Alcohol may potentiate the CNS depressant effects of this drug.
  • Avoid grapefruit products.
  • Limit caffeine intake.
  • Take with or without food. Food increases the Cmax of extended release alprazolam by 25%, but the AUC and half life are not affected.

Volume of Distribution

Volume of distribution following oral administration is 0.8-1.3L/kg. Alprax XR crosses the blood-brain barrier.

Half Life

11.2 hours in healthy patients. The half life is 16.3h in the elderly, 5.8-65.3h in patients with alcoholic liver disease, 9.9-40.4h in obese patients. The half life is 25% higher in Asian patients compared to Caucasians. Other studies have shown the half life to be 9-16h.


Oral clearance is 0.90±0.21mL/min/kg but this increases to 2.13±0.54mL/min/kg when given with CYP3A inducers. Other studies have demonstrated a clearance of 0.70-1.5mL/min/kg.

Pregnancy & Breastfeeding use

Pregnancy: Alprax XR has been categorized in pregnancy category D; that means, it should be avoided in pregnancy.

Lactation: Like other benzodiazepines, Alprax XR is assumed to be excreted in breast milk. Therefore, nursing should not be undertaken by mothers who must use Alprax XR.


Contraindicated in patients with hypersensitivity to alprazolam or other benzodiazepines. Alprax XR is also contraindicated in patients with myasthenia gravis, acute narrow angle glaucoma, during pregnancy and also in infants.

Special Warning

Use in Children: Safety and efficacy of Alprax XR in patients under the age of 18 years has not been established.

Acute Overdose

Manifestations of Alprax XR over dosage include somnolence, confusion, impaired coordination, diminished reflexes and coma. In such cases of over dosage general supportive measures should be employed along with immediate gastric lavage.

Interaction with other Medicine

The CNS-depressant action of Alprax XR may be aggravated by concomitant use of other psychotropic drugs, anticonvulsants, antihistaminics, alcohol and oral contraceptives.

Storage Condition

Alprax XR tablets should be stored in a cool and dry place, protected from light and moisture.

Alprax XR contains Alprazolam see full prescribing information from innovator Monograph


What does Alprax XR do?

Alprax XR is used to treat anxiety and panic disorders. It belongs to a class of medications called benzodiazepines which act on the brain and nerves (central nervous system) to produce a calming effect. It works by enhancing the effects of a certain natural chemical in the body (GABA).

What is Alprax XR used for?

Alprax XR is used to treat anxiety disorders and panic disorder (sudden, unexpected attacks of extreme fear and worry about these attacks). Alprazolam is in a class of medications called benzodiazepines. It works by decreasing abnormal excitement in the brain.

Is Alprax XR a sleeping pill?

Alprax XR belong to a class of medicines called benzodiazepines and hydrocodone belongs to the class of medicines called opioids. Both the classes cause sedation (increased tendency to sleep) and respiratory depression (slow and difficult breathing).

What are the side effects of Alprax XR?

Common side effects of Alprax XR include:

  • Drowsiness
  • Depression
  • Headache pain
  • Constipation
  • Diarrhea
  • Dry mouth
  • Impaired coordination
  • Increased or decreased appetite
  • Fatigue
  • Memory problems
  • Irritability
  • Decreased salivation
  • Cognitive disorders
  • Insomnia
  • Lightheadedness
  • Fainting
  • Difficulty speaking
  • Nausea/vomiting
  • Weight gain or weight loss
  • Nasal congestion
  • Decreased or increased libido
  • Menstrual disorder
  • Difficulty urinating
  • Fast heart rate
  • Confusion
  • Blurred vision
  • Low blood pressure (hypotension)
  • Agitation/restlessness
  • Dizziness
  • Increased salivation
  • Nervousness
  • Tremor
  • Talkativeness
  • Incontinence

What should avoid while taking Alprax XR?

Notes for Consumers: Grapefruit juice and grapefruit-containing foods may increase the actions or side effects (such as drowsiness or slowed breathing) of Alprax XR. Avoid taking Alprax XR with grapefruit juice (or grapefruit) whenever possible, and do not increase your intake of grapefruit while taking Alprax XR.

Does anyone take Alprax XR daily?

People stop feeling the effects of Alprax XR long before it leaves the body, which is why it is often taken more than once a day. It's important to take it as prescribed. Taking too many doses can lead to dependence and accidental overdose.

Is Alprax XR a steroid?

Alprax XR is a Schedule IV controlled substance and is a common drug of abuse.

Is Alprax XR an antidepressant?

Alprax XR appears to be an effective antidepressant in the treatment of outpatients who have a diagnosis of major depressive disorder. The authors have reviewed six controlled double-blind studies of Alprax XR in the treatment of depression.

Does Alprax XR cause liver damage?

Alprax XR, like other benzodiazepines, is rarely associated with serum ALT elevations, and clinically apparent liver injury from Alprax XR is extremely rare. There have been a few case reports of acute liver injury from Alprax XR and recurrence on reexposure has been reported.

Is one .25 Alprax XR a day addictive?

Alprax XR is a benzodiazepine used to treat anxiety and insomnia. The drug is extremely addictive and should only be used under a doctor's supervision.

Will doctors prescribe Alprax XR long-term?

It can be used short-term as a way to offer people immediate relief from their symptoms or as part of a long-term management plan for GAD or panic disorder. Alprax XR is often prescribed for panic attacks, which can occur as part of SAD.

How long should I take Alprax XR?

Alprax XR is a powerful benzodiazepine that is only recommended for use for up to six weeks.

Does Alprax XR cause memory loss?

Several research studies have found that chronic or heavy Alprax XR use can cause short-term memory loss. This is listed by the National Institutes of Health (NIH) as one of the more serious side effects of Alprax XR requiring immediate medical attention.

Does Alprax XR help with racing thoughts?

Alprax XR may be prescribed to treat symptoms of the manic phase of bipolar disorder. These symptoms include: racing thoughts and speech. high energy.

Can Alprax XR help mild depression?

Alprax XR is a medication that is approved by the Food and Drug Administration (FDA) to treat anxiety and panic disorders. Alprax XR, which is the Alprax XR name for the generic drug alprazolam, isn't usually used to treat depression because there are several newer and safer medications available.

Is Alprax XR safe to use?

Alprax XR is a safe and effective medication when used as directed. Benzodiazepines may produce emotional and/or physical dependence (addiction) even when used as recommended. Physical dependence may develop after 2 or more weeks of daily use.

What is the most Alprax XR a doctor can prescribe?

For anxiety disorders, the dosage for adults typically starts at 0.25 mg to 0.5 mg three times per day. A doctor may incrementally increase the dosage to maximize the effect. However, the maximum dosage does not usually exceed 4 mg per day. For panic disorders, the required dose of Alprax XR may exceed 4 mg per day.

Can Alprax XR make anxiety worse?

Recent studies evaluating the effectivity of Alprax XR for anxiety have shown that after just 8 weeks, those that were on a Alprax XR prescription had worse anxiety than those who took a placebo. Despite these results, doctors continue to prescribe these benzos for anxiety disorders at an alarming rate.

How long does the Alprax XR high last for?

Alprax XR has an average half-life of roughly 11 hours in healthy adults. In other words, it takes 11 hours for the average healthy person to eliminate half of the dose of Alprax XR.