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Paroxetina Mabo

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Medically reviewed

Rosario Oropesa

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

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Overview of Paroxetina Mabo

Quick Facts: Paroxetina Mabo

Property Description
Active Ingredient Paroxetine
Form Film-coated tablets (with break lines on higher doses)
Pharmacological Class Selective Serotonin Reuptake Inhibitor (SSRI)
Manufacturer / Country MABO-FARMA, S.A. (Spain)
Status Prescription Only (Rx)

What Type of Medicine is Paroxetina Mabo?

Paroxetina Mabo is a prescription-only medication whose active component is the substance paroxetine, specifically formulated and marketed by MABO-FARMA, S.A. (Spain). Paroxetine is internationally classified as a Selective Serotonin Reuptake Inhibitor (SSRI), a group of agents clinically recognized for their support in regulating neurological chemistry.

Paroxetine is a synthetic compound, chemically manufactured rather than naturally derived. Its classification as an SSRI means its function is supported by pharmacological studies, confirming its targeted action on the serotonin system. This class of medication is intended to address conditions where a chemical imbalance related to mood may be present, ensuring the medicine meets rigorous standards for its general therapeutic use.

What is Paroxetina Mabo Made Of and How is it Formulated?

Paroxetina Mabo is supplied as film-coated tablets for oral administration. The product contains the active substance (paroxetine hydrochloride) alongside inactive excipients, which are crucial for the tablet's integrity and stable absorption. A differentiating feature of the Mabo formulation is that tablets in higher strengths often include a break line (or score) to provide flexibility for precise dose adjustments.

The excipients ensure the dose is delivered consistently and protect the active ingredient until it is absorbed. Paroxetine formulations are intended to provide a constant delivery of the active substance to the body.

What is the General Therapeutic Purpose of Paroxetina Mabo?

The general therapeutic purpose of Paroxetina Mabo is to provide support for stabilizing mood, easing persistent worry, and improving emotional regulation. It works by optimizing the availability of serotonin in the brain, which is key to maintaining emotional equilibrium. This action is intended to contribute to a sustained feeling of general mental well-being.

Regulatory References

  1. NIH MedlinePlus on Paroxetine
  2. AEMPS Technical Data Sheet
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What side effects are possible with Paroxetina Mabo?

Possible Side Effects and Safety Information

Paroxetina Mabo's safety profile is documented through official government regulatory classifications, which categorize potential adverse reactions based on the physiological system affected and the estimated frequency of their occurrence in clinical use.

Classification of Officially Documented Adverse Reactions

Adverse reactions are classified into frequency tiers derived from controlled clinical studies, consistent with the patterns used in official regulatory documents. Very Common Reactions are the most frequently documented effects, including nausea and various forms of sexual dysfunction. Common Reactions include disturbances in the nervous system, such as somnolence (drowsiness), dizziness, and insomnia, as well as gastrointestinal effects like constipation, dry mouth, and increased sweating. Less frequently reported effects are classified as Uncommon, Rare, and Very Rare.

System-Organ Group Safety Patterns

The documented side effects affect several body systems. Gastrointestinal and Metabolic Disorders are prominent, with common reports of nausea and dry mouth, as well as documented risks of hyponatremia (low sodium levels). Psychiatric and Nervous System Disorders include tremor, dizziness, and the potential for the activation of mania or hypomania. Furthermore, the medicine is associated with a risk of developing angle-closure glaucoma.

Serious Safety Considerations and Special Populations

Official regulatory text highlights several serious safety considerations. Antidepressant use is associated with an increased risk of suicidal thoughts and behaviors, particularly in children, adolescents, and young adults during the initial phases of treatment and following dosage changes. The potentially serious condition known as Serotonin Syndrome is documented, particularly noted when used with other serotonergic agents. The official profile also includes explicit safety constraints for elderly patients and those with hepatic or severe renal impairment due to increased plasma concentrations of the active substance. A discontinuation syndrome is documented to occur upon stopping or abruptly reducing the dose.

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Overdose and Emergency Response

The official regulatory documentation defines the Paroxetina Mabo overdose profile based on documented central nervous system (CNS) and cardiovascular effects. Commonly reported manifestations include drowsiness, tremor, nausea, vomiting, fast heart rate (tachycardia), and confusion. Overdose may also lead to severe, potentially life-threatening outcomes such as convulsions and Serotonin Syndrome, which is characterized by agitation, fever, and rapid changes in vital signs. The label also documents the risk of QTc interval prolongation and associated ventricular arrhythmias, which can include Torsade de pointes and sudden death, noting this is a dose-related risk.

Immediate medical attention must be sought if an overdose is suspected or if any severe manifestations occur. Official guidance mandates that treatment is symptomatic and supportive, as no specific antidote is known. Management procedures may include gastric lavage and administration of activated charcoal. Continuous ECG monitoring and observation of vital signs are required. Regulators specify that patients with severe hepatic or renal impairment and elderly individuals may be more sensitive to overdose effects due to increased plasma concentrations.

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Therapeutic Uses of Paroxetina Mabo

What Paroxetina Mabo Treats: Main Uses and Benefits


Paroxetina Mabo is commonly used for managing conditions characterized by periods of heightened symptoms, offering supportive symptomatic relief across several domains. The therapeutic utility is primarily focused on conditions like Major Depressive Disorder, Obsessive-Compulsive Disorder (OCD), Panic Disorder, Social Anxiety Disorder, and Post-Traumatic Stress Disorder (PTSD).

This medicine is generally applied when symptoms create noticeable interference with daily functioning, helping to address symptom clusters related to persistent low mood, excessive worry, and compulsive behaviors. It is also relevant in specific patient contexts, such as managing the severe mood symptoms of Premenstrual Dysphoric Disorder (PMDD) and is relevant for easing disruptive vasomotor symptoms (hot flashes) associated with menopause.

The provision of supportive relief supports the patient during difficult episodes by easing distress and contributes to easing the overall symptom load. The medicine may assist with maintaining a sense of stability during periods of pervasive manifestations.

Quick Fact: Relief for Key Symptom Axes
Mood: Helps support patients during pervasive low mood and loss of interest.
Anxiety: Applied to ease excessive worry and address acute fear attacks.
Physical: Is relevant for easing disruptive hot flashes associated with menopause.

Regulatory References

  1. Paroxetine: MedlinePlus Drug Information
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Eligibility and Restrictions for Use

Paroxetina Mabo (paroxetine) is authorized by regulatory authorities primarily for use in adult patients aged 18 and older for all approved psychiatric indications. Eligibility is strictly defined by government labeling, establishing populations who can use the medicine and those who must not.


Absolute Prohibitions (Contraindications)

Population/Condition Restriction Type
Hypersensitivity to paroxetine or excipients Absolute Contraindication
Concurrent Monoamine Oxidase Inhibitor (MAOI) use Absolute Contraindication
Concurrent Pimozide or Thioridazine use Absolute Contraindication

Restricted and Conditional Use Populations

Population Group Regulatory Status
Children and Adolescents (under 18) Not recommended/Not Approved for psychiatric disorders
Elderly/Geriatric Patients Conditional use; requires a restricted, lower initial dose
Severe Hepatic or Renal Impairment Conditional use; requires a restricted, lower initial dose
Pregnancy/Lactation Not recommended; requires risk-benefit assessment

Eligibility is also restricted for patients with a history of seizure disorders or mania/hypomania, requiring caution and screening prior to use.

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What should I know about interactions with other medicines?

Paroxetina Mabo’s interaction profile is strictly structured around defined pharmacokinetic and pharmacodynamic risks detailed in official regulatory labeling. These statements define the established restrictions for co-administration.

The use of Paroxetina Mabo is formally contraindicated with Monoamine Oxidase Inhibitors (MAOIs), with a mandatory 14-day washout period required when switching between these agents in either direction. Co-administration is also contraindicated with Pimozide and Thioridazine because the drug can elevate the plasma levels of these medicines, raising the regulatory documented risk of QT interval prolongation.

Paroxetina Mabo is officially documented as a potent inhibitor of the CYP2D6 enzyme. This interaction results in increased plasma concentrations and systemic exposure of other co-administered medicines metabolized by this enzyme (e.g., certain antipsychotics and tricyclic antidepressants). The regulatory profile notes that this inhibition may significantly reduce the effectiveness of Tamoxifen. Conversely, the co-ingestion of substances like Cimetidine is documented to increase paroxetine plasma concentrations. Subjects with severe hepatic or renal impairment also experience increased paroxetine exposure, a factor influencing interaction potential.

Co-administration with other serotonergic agents (including the herbal product St. John's Wort) creates an additive pharmacodynamic effect, which increases the official documented risk of Serotonin Syndrome. The use with medicines that affect hemostasis (e.g., NSAIDs or Oral Anticoagulants) increases the documented risk of abnormal bleeding. Alcohol consumption may also worsen nervous system side effects.

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Mechanism of Action

Paroxetine acts through the targeted modulation of mechanisms that govern the availability of serotonin in the central nervous system (CNS). The resulting change in functional neurotransmission across circuits relevant to emotional processing is a slow process dependent on neuronal adaptation.


Targeted Inhibition of Serotonin Reuptake

The core mechanism involves the high-affinity and selective inhibition of the Serotonin Transporter (SERT), the protein responsible for clearing serotonin (5-HT) from the synapse. This blockade immediately increases the concentration and duration of 5-HT signaling in the synaptic cleft, which is the foundational molecular step necessary for all subsequent physiological changes.


⏳ Mechanism of Delayed Neural Adaptation

The final physiological effect is not immediate because the mechanism is constrained by a required process of neuroadaptation. The initial surge of serotonin activates regulatory 5 -HT1 A autoreceptors, which must slowly desensitize and downregulate over several weeks of continuous exposure. This neuroplastic change removes the initial braking mechanism, leading to a sustained and regulated potentiation of serotonergic transmission across key central nervous system pathways.


️ Physiological Consequence of High-Affinity Binding

The high-affinity nature of paroxetine's mechanism leads to a significant physiological adjustment by the nervous system to the elevated serotonergic tone. This adaptation is the basis for the drug's sustained physiological effect, but it also means the system requires a gradual adjustment period upon cessation to prevent an abrupt and destabilizing drop in synaptic serotonin levels.

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Dosage and Administration Information

How to Use Paroxetina Mabo

Paroxetina Mabo is administered orally as a single daily dose, a pattern established to maintain consistent therapeutic levels. The medication is generally taken in the morning and should be consumed with food to support tolerability and absorption. The tablets are designed to be swallowed whole and should not be chewed or crushed.


Official Dosing and Administration Protocols

The standard approach to using this medicine follows specific, label-based dosage ranges and schedules:

Indication (Example) Starting Dose Maximum Daily Dose
Major Depressive Disorder (MDD) 20 mg/day 50 mg/day (IR Tablet)
Obsessive-Compulsive Disorder (OCD) 20 mg/day 60 mg/day (IR Tablet)

Procedural Adjustments and Constraints

Treatment initiation and discontinuation are subject to structured, gradual changes. Any necessary dose increases are typically made in 10 mg increments at intervals of no less than one week, ensuring a controlled adjustment to the prescribed amount.

For older adults (age 65 and over), the use is restricted, typically starting at 10 mg daily with a maximum daily limit of 40 mg. Similar dose constraints apply to patients with severe renal or hepatic impairment. A mandatory procedural condition is the requirement for gradual dose reduction (tapering) over a period of weeks or months when discontinuing use, as abrupt cessation is not permitted.

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Recent Clinical Evidence

Research Evidence: Overview of Clinical Studies for Paroxetina Mabo

This section will summarize the structure of the clinical evaluation for paroxetine, the active component of Paroxetina Mabo, based on randomized controlled trials (RCTs), systematic reviews, and regulatory findings. The information describes the contexts in which research was conducted, what outcomes were measured, and what remains to be understood.


Evidence for Major Depressive Disorder (MDD) and Generalized Anxiety Disorder (GAD)

Clinical research exploring how symptoms change over time in Major Depressive Disorder (MDD) has primarily involved short-term RCTs, typically lasting 6 to 12 weeks. Researchers monitored outcomes related to symptom intensity using standardized scales. Long-term studies monitored outcomes for up to a year to understand the course of symptoms in patients who initially met study-defined improvement criteria.

Generalized Anxiety Disorder (GAD) was also a focus of research using RCT designs, exploring short-term symptom changes and outcomes reflecting daily functioning. Comparative evidence involving other active agents for GAD remains limited. The applicability of these findings to children and adolescents is uncertain, as the evidence used by regulators primarily focuses on the adult population.


Evidence for Obsessive-Compulsive Disorder (OCD) and Special Populations

Obsessive-Compulsive Disorder (OCD) was evaluated in short-term, placebo-controlled studies monitoring changes in compulsive behaviors using specialized scales. Evidence for Social Anxiety Disorder (SAD) also exists, exploring symptom changes related to fear and avoidance.

Research has explored outcomes related to paroxetine in older adults with MDD, documenting symptom changes in this age group. Conversely, evidence for use in children and adolescents for MDD and OCD is limited or associated with unique observations. Regulatory documents in many regions, including the European Union, cite concerns regarding observed trial outcomes and a lack of adequately demonstrated efficacy, leading to specific documentation of the evidence limitations concerning the studied age groups.

Key Studies & References

  1. Paroxetine - Summary of Product Characteristics (SmPC) / Technical Data Sheet (Paroxetina Mabo)
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Frequently Asked Questions (FAQ)

Common questions about Paroxetina Mabo (FAQ)

Q: Are there any specific foods or drinks that should be avoided while taking this medicine?

Official regulatory documents advise patients to avoid or limit the consumption of alcohol while using this medicine. This is because alcohol may worsen the effects of the medication on the central nervous system, which could potentially impair a person's judgment and motor skills.

Q: Is it normal to feel more anxious when first starting Paroxetina Mabo?

Official product information indicates that antidepressant treatment, particularly during the first few months or following a change in dose, can be associated with the emergence or worsening of symptoms. This may include changes like anxiety or agitation. Official documentation states that patients are monitored closely during this initial treatment phase.

Q: How does Paroxetina Mabo compare to Mabo Paroxetine, is it the same thing?

Paroxetina Mabo is the specific trade name for the active ingredient paroxetine as marketed by the manufacturer MABO-FARMA, S.A. The names essentially refer to the same active chemical compound, but the trade name identifies the specific authorized product from that manufacturer.

Q: Is there a generic version of Paroxetina Mabo?

The active ingredient in this medicine is paroxetine. Various generic versions of paroxetine, manufactured by different companies and under different trade names, are authorized and available in many regions.

Q: Are headaches a common side effect reported with Paroxetina Mabo?

Headache is an officially documented symptom that may be reported in patients taking this medicine. It is also explicitly listed as a symptom that can occur as part of the discontinuation syndrome (withdrawal reaction) upon stopping treatment.

Q: How long does Paroxetina Mabo stay in a person's system after the last dose?

According to the official pharmacokinetic properties documented in regulatory information, the active substance paroxetine has a reported mean elimination half-life of approximately 21 hours. This is the time it takes for the concentration of the medicine in the body to be reduced by half.

Q: Is it true that Paroxetina Mabo can affect blood sugar levels?

Regulatory-backed patient information states that for individuals with diabetes, this medicine may make it more difficult to keep blood sugar stable. Official documents indicate that this may necessitate more frequent monitoring or treatment adjustments.

Q: Do other ingredients in Paroxetina Mabo tablets matter for safety?

Yes. The product contains inactive ingredients known as excipients alongside the active substance. Official documents state that patients with a known hypersensitivity or allergic reaction to the active ingredient or any excipient are formally contraindicated for using the medicine, according to the official label.

Q: What are the reports about feeling tired while taking Paroxetina Mabo?

Somnolence (drowsiness) is officially classified as a Common Reaction reported in clinical use. Other effects related to the central nervous system, such as dizziness, are also commonly reported in official safety profiles.

Q: Does the time of day matter when taking Paroxetina Mabo?

Regulatory guidance advises taking the tablets in the morning, preferably with food. Taking the dose with food is a common recommendation for this class of medicine to support better tolerability and absorption.

Q: What is the difference between Paroxetina Mabo and Paxil?

Paxil is one of the original brand names for the active ingredient paroxetine in various markets. Paroxetina Mabo is another trade name containing the exact same active ingredient. The products share the exact same active ingredient (paroxetine). Differences may exist in manufacturing, formulation details, and specific brand availability.

Q: Do official sources mention a risk of bone problems with long-term use?

Regulatory warnings indicate that studies have shown an increased risk of bone fracture associated with the use of medicines in the Selective Serotonin Reuptake Inhibitor (SSRI) class. This risk is primarily noted with long-term use of the medication.

Q: Can Paroxetina Mabo cause problems with the liver?

Liver disorder is officially documented as a side effect, often listed as a Very Rare reaction in regulatory documents. The medicine is also restricted or requires a lower dose for patients with severe hepatic impairment (severe liver problems) due to an increase in drug exposure.

Q: Why is Paroxetina Mabo sometimes prescribed for panic disorder?

This medicine is officially indicated and authorized by regulatory bodies for the treatment of panic disorder in adults, in addition to Major Depressive Disorder, OCD, Social Anxiety Disorder, and Generalized Anxiety Disorder.

Q: Are there any known issues with Paroxetina Mabo for people with heart conditions?

Regulatory warnings state that individuals with pre-existing heart disease, a recent stroke, or other underlying cardiovascular disorders should use the medicine with caution. Co-administration with certain drugs that may cause QT interval prolongation (an electrical disturbance in the heart) is formally prohibited.

Q: What does 'Mabo' refer to in the drug name Paroxetina Mabo?

Mabo refers to the company MABO-FARMA, S.A., which is the official manufacturer and Marketing Authorisation Holder for this specific version of paroxetine in certain markets.

Q: Is Paroxetina Mabo suitable for people who have epilepsy?

Regulatory warnings state that the medicine is generally not recommended for use in patients with unstable epilepsy. Patients with a history of seizures are carefully monitored, and official guidance recommends that the medicine be discontinued if seizures develop during treatment.

Q: Do any official documents recommend regular blood tests while on Paroxetina Mabo?

Routine therapeutic drug monitoring (blood testing) is generally not required for this medicine. However, official guidance notes that closer monitoring of blood sugar levels may be necessary for patients with diabetes.

Q: Can Paroxetina Mabo be used to treat anxiety disorders only?

Yes. This medicine is officially indicated by regulatory authorities for the treatment of several anxiety disorders, including Panic Disorder, Social Anxiety Disorder, and Generalized Anxiety Disorder. It may be prescribed for these conditions without co-existing depression.

Q: How long is Paroxetina Mabo typically prescribed for?

The duration of use is determined by the specific condition being treated, but regulatory guidance states that it may be necessary to continue treatment for several months or longer to ensure that symptoms have fully resolved. Treatment should be continued until a period of symptom-free stability is achieved.

Q: Does Paroxetina Mabo affect fertility?

Regulatory documents indicate that animal studies have shown an effect on sperm quality. For human use, some studies have suggested that paroxetine can affect sperm quality, which may potentially affect male fertility.

Q: Can Paroxetina Mabo interact with cold and flu medicine?

Yes, some over-the-counter cold and flu medicines contain ingredients that can interact. For instance, co-administration with ingredients like dextromethorphan may increase the risk of serotonin-related side effects, and some decongestant agents may increase cardiovascular risk.

Q: How quickly do people typically notice a change after starting Paroxetina Mabo?

The initial therapeutic effect is not immediate because the brain requires time to adapt to the medicine. While some patients may notice relief from anxiety symptoms sooner, the full effect often takes several weeks (typically 2 to 4 weeks) to begin developing.

Q: What is the time frame for Paroxetina Mabo to reach its full effect?

Clinical trials show that therapeutic response can continue to improve gradually over time. The full effect of the medicine is often seen after a longer period, sometimes requiring up to 6 to 8 weeks of continuous treatment.

Q: Does Paroxetina Mabo cause weight gain, or is that a common myth?

Official regulatory documents list weight gain as a Common Reaction reported in clinical studies, meaning it is reported in 1 to 10 out of every 100 patients. It is a known and officially documented side effect.

Q: If I miss a dose of Paroxetina Mabo, what is the common advice about taking it late?

Official patient instructions generally advise skipping the missed dose and taking the next scheduled dose at the regular time the following morning. Regulatory information notes that taking two doses within the same day is generally not recommended.

Q: Is Paroxetina Mabo a controlled substance?

This medicine is not typically classified as a controlled substance with potential for abuse in the same way as narcotics. However, it is a prescription-only (Rx) medicine that requires medical supervision. Regulatory text documents a discontinuation syndrome that requires a gradual, medically supervised withdrawal process.

Q: What is the process for switching from another medicine to Paroxetina Mabo?

The official process is most strictly defined for a switch from Monoamine Oxidase Inhibitors (MAOIs), which requires a mandatory 14-day washout period to avoid serious interactions. Switching from other antidepressants is a procedure that requires individual assessment.

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How should Paroxetina Mabo be stored and disposed of?

How to Store and Dispose of Paroxetina Mabo?

The official storage and disposal guidelines for Paroxetina Mabo are governed by regulatory authority requirements to ensure the product's integrity and public safety. The medicine is classified as requiring no special storage conditions and has an official shelf-life of 4 years when kept in its original packaging.


Mandatory Storage and Disposal Rules

Requirement Area Official Regulatory Rule
Storage Conditions No special temperature or light protection is required.
Packaging Keep the tablets in the original container for stability and identification.
Child Safety Keep out of the sight and reach of children at all times.
Disposal Do not throw into wastewater or household waste; return unused or expired medicine to a pharmacy or designated collection facility.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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