Product image of Helex Sr (Alprazolam) supplied by GNH India

Helex Sr

Active Ingredient:
Alprazolam
Origin:
EU

Helex Sr (Alprazolam)

Helex Sr is a prescription medication that contains the benzodiazepine alprazolam as its active ingredient. It is marketed in the European Union and is supplied as an oral tablet (strength and dosage form not specified). As a Schedule IV controlled substance, Helex Sr is used under medical supervision to manage anxiety‑related conditions. It belongs to the anxiolytic therapeutic class and works by enhancing the activity of the neurotransmitter GABA.

Manufacturer / TM Owner

Krka, D.D., Novo Mesto

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Indications & Clinical Uses

Helex Sr is indicated for the short‑term treatment of anxiety disorders in adults.

  • Generalized anxiety disorder (GAD)
  • Panic disorder with or without agoraphobia
  • Adjunctive therapy for anxiety associated with depressive disorders
  • Short‑term relief of anxiety symptoms before stressful events
  • Off‑label use may include management of anxiety‑related insomnia

Side Effects

Side effects of Helex Sr vary in frequency and severity.

Common

  • Drowsiness or sedation
  • Fatigue and weakness
  • Dizziness or light‑headedness
  • Impaired coordination or balance
  • Short‑term memory difficulties
  • Mood swings or irritability

Serious

  • Respiratory depression, especially with other depressants
  • Severe allergic reaction (anaphylaxis)
  • Marked central nervous system depression
  • Withdrawal seizures upon abrupt discontinuation
  • Dependence, tolerance, and abuse potential
  • Emergence of suicidal thoughts or behaviors

Precautions & Warnings

Before prescribing Helex Sr, clinicians should evaluate several safety considerations.

  • History of substance abuse or dependence
  • Concomitant use of other CNS depressants (e.g., opioids, alcohol)
  • Pregnancy, lactation, or plans to become pregnant
  • Elderly patients due to increased fall risk and sedation
  • Hepatic or renal impairment affecting drug clearance
  • Risk of withdrawal symptoms with sudden discontinuation
  • Caution when driving or operating machinery

Avoid Interactions

Helex Sr can interact with other medications, altering its effects or increasing risk.

Avoid

  • Alcohol and other central nervous system depressants
  • Opioid analgesics (e.g., morphine, oxycodone)
  • Barbiturates and other benzodiazepines
  • Sedating antihistamines (e.g., diphenhydramine)
  • Certain antipsychotics with strong sedative properties

Use with caution

  • Antidepressants such as SSRIs and SNRIs
  • Anticonvulsants (e.g., carbamazepine, valproate)
  • Antipsychotics (e.g., haloperidol, quetiapine)
  • CYP3A4 inhibitors (e.g., ketoconazole, erythromycin)
  • CYP3A4 inducers (e.g., rifampin, carbamazepine)

Frequently Asked Questions

Helex Sr contains alprazolam, which belongs to the benzodiazepine class of medications.

No, Helex Sr is a prescription‑only medication and is classified as a Schedule IV controlled substance.

Helex Sr is commonly prescribed for generalized anxiety disorder and panic disorder.

The safety of Helex Sr during pregnancy has not been established; it should only be used if the potential benefit justifies the potential risk.

The most common side effects include drowsiness, fatigue, dizziness, impaired coordination, short‑term memory problems, and mood changes.

Alprazolam acts as a positive allosteric modulator of the GABA‑A receptor, enhancing inhibitory neurotransmission and producing a calming effect.

Yes, alcohol can increase sedation and respiratory depression, so it should be avoided while using Helex Sr.

If a dose is missed, take it as soon as you remember unless it is near the time of the next scheduled dose; do not double the dose.

Long‑term use of alprazolam can lead to tolerance, dependence, and potential abuse, especially when taken at higher doses.

Abrupt discontinuation can cause withdrawal symptoms, including seizures; tapering under medical supervision is recommended.

Medications that affect the CYP3A4 enzyme, such as certain antifungals and antibiotics, may require dose adjustments or close monitoring.

Because Helex Sr can cause drowsiness and impaired coordination, avoid driving or operating heavy machinery until you know how the medication affects you.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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