Product image of Optipar (Paroxetine) supplied by GNH India

Optipar

Active Ingredient:
Paroxetine
Origin:
EU

Optipar (Paroxetine)

Paroxetine, the active ingredient in Optipar, is a selective serotonin reuptake inhibitor presented as an oral tablet for oral use. It is employed to treat major depressive disorder and several anxiety‑related conditions in adult patients and has been widely prescribed in clinical practice.

GNH India supplies Optipar as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company ensures quality assurance and regulatory compliance across all markets. Clients benefit from reliable logistics, transparent pricing, and dedicated technical support throughout the supply chain.

Manufacturer / TM Owner

Hexal A/S

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Indications & Clinical Uses

Paroxetine, an SSRI, modulates serotonergic pathways and is indicated for several psychiatric disorders.

  • Major depressive disorder: reduces depressive symptoms and improves mood.
  • Generalized anxiety disorder: alleviates excessive worry and tension.
  • Social anxiety disorder: decreases fear of social situations and performance.
  • Panic disorder: lessens frequency and intensity of panic attacks.
  • Obsessive‑compulsive disorder: diminishes intrusive thoughts and compulsive behaviors.
  • Post‑traumatic stress disorder: helps control re‑experiencing and hyperarousal symptoms.

How It Works

  • Paroxetine selectively inhibits the serotonin transporter (SERT), blocking reuptake of serotonin (5‑HT) into presynaptic neurons. This increases extracellular serotonin concentrations in the synaptic cleft, enhancing serotonergic neurotransmission throughout the central nervous system. The heightened serotonergic activity is thought to correct the dysregulated mood and anxiety pathways implicated in depressive and anxiety disorders.

Side Effects

Paroxetine may cause a range of adverse reactions, varying from mild to severe.

Common Side Effects

  • Nausea
  • Headache
  • Dry mouth
  • Insomnia

Serious or Rare Side Effects

  • Serotonin syndrome
  • Suicidal thoughts or behaviors
  • Severe hyponatremia
  • QT interval prolongation
  • Severe allergic reactions (e.g., angioedema)
  • Mania or hypomania

Precautions & Warnings

When prescribing Paroxetine, clinicians should observe several precautionary measures to ensure patient safety.

  • Assess for suicidal ideation: monitor patients, especially during early treatment.
  • Avoid concomitant MAO‑inhibitors: discontinue MAOIs at least 14 days before starting.
  • Use caution in hepatic impairment: dose adjustments may be required.
  • Do not discontinue abruptly: taper the dose to reduce withdrawal symptoms.
  • Pregnancy and lactation: prescribe only if benefits outweigh potential risks.
  • Store at below 25°C: keep in original packaging, protect from moisture and light.

Avoid Interactions

Paroxetine interacts with several medicines; awareness of the interaction level guides clinical decisions.

Major Interactions (Avoid)

  • MAO inhibitors (e.g., phenelzine): risk of serotonin syndrome.
  • Pimozide: can cause cardiac arrhythmias.
  • Thioridazine: increased risk of QT prolongation.
  • Linezolid: heightened serotonergic activity leading to syndrome.

Moderate Interactions (Monitor Closely)

  • NSAIDs (e.g., ibuprofen): may increase bleeding risk.
  • Anticoagulants (e.g., warfarin): monitor INR closely.
  • CYP2D6 inhibitors (e.g., fluoxetine): may raise paroxetine plasma levels.
  • Alcohol: can enhance CNS depression.

Frequently Asked Questions

Optipar contains paroxetine, an SSRI indicated for major depressive disorder and several anxiety‑related conditions such as generalized anxiety disorder, social anxiety disorder, panic disorder, obsessive‑compulsive disorder, and post‑traumatic stress disorder. It is prescribed for adult patients when these conditions require pharmacologic management.

Paroxetine works by selectively blocking the serotonin transporter (SERT) on presynaptic neurons, preventing reuptake of serotonin. This raises serotonin levels in the synaptic cleft, enhancing serotonergic neurotransmission, which helps correct the neurochemical imbalances associated with depression and anxiety.

The specific dose of Optipar is determined by the prescribing clinician based on the patient’s diagnosis, severity, age, and response to therapy. Physicians typically start with a low dose and may adjust gradually, but exact dosing regimens should always follow the prescriber’s instructions.

Paroxetine is classified as a pregnancy‑category C drug, meaning potential risks to the fetus cannot be ruled out. It should be used only if the therapeutic benefit justifies the potential risk. Paroxetine is excreted in breast milk, so breastfeeding mothers should discuss alternatives with their healthcare provider.

To request Optipar, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India supplies hospitals, pharmacies and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details and any required import documentation.

Optipar (paroxetine) shares the core mechanism of serotonin reuptake inhibition with other SSRIs such as fluoxetine, sertraline, and escitalopram. Compared with some alternatives, paroxetine has a higher affinity for the transporter and may be associated with a greater incidence of certain side effects, like sexual dysfunction, but it can be advantageous for patients needing strong serotonergic activity.

Optipar tablets should be stored at temperatures below 25 °C, in the original container, protected from moisture and direct light. Keep the product out of reach of children and avoid exposing it to excessive heat or humidity to maintain potency.

Optipar is taken orally, usually as a whole tablet with water. It can be taken with or without food, but patients should follow the prescribing clinician’s guidance on timing and whether to swallow with meals to minimize gastrointestinal discomfort.

The most serious risks include serotonin syndrome—a potentially life‑threatening condition when combined with other serotonergic agents—suicidal thoughts or behaviors, especially in young adults, severe hyponatremia, QT interval prolongation, and the emergence of mania or hypomania in susceptible individuals.

Optipar should be avoided in patients with known hypersensitivity to paroxetine or any SSRI, those currently taking monoamine oxidase inhibitors, individuals with uncontrolled narrow‑angle glaucoma, and patients with a history of severe cardiac arrhythmias related to QT prolongation. Contraindications also include concurrent use of pimozide or thioridazine.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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