Plidinox

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Plidinox

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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.

Overview of Plidinox

Property Description
Active Ingredients Clonixin, Pargeverine
Pharmacological Class NSAID and Antispasmodic Agent (Combination)
Forms Tablets, Injectable Solutions
Common Purpose Relief of pain associated with smooth muscle spasm
Origin Synthetic

1. Plidinox: Classification and General Purpose

Plidinox is a fixed-dose combination product simultaneously classified as a Non-steroidal Anti-inflammatory Drug (NSAID) and an Antispasmodic Agent. This formulation is synthesized for the therapeutic purpose of providing combined relief from acute pain and the underlying muscular spasms that often occur together. The dual classification reflects a strategy to manage complex symptoms where both inflammation and involuntary muscle tightening are present, an approach intended for focused efficacy in treating pain associated with visceral spasm.

2. Active Components and Origin

The medication's composition includes two distinct synthetic active ingredients: Clonixin and Pargeverine. Clonixin is an NSAID, providing the primary action against pain and inflammation by inhibiting prostaglandin synthesis. Concurrently, Pargeverine functions as a spasmolytic agent that directly relaxes the contracted smooth muscle fibers in internal organs. This unique combination, unlike many single-ingredient analgesics, is positioned specifically for patients experiencing pain rooted in gastrointestinal or urogenital smooth muscle contractions.

3. Available Pharmaceutical Forms

Plidinox is manufactured in multiple standard dosage forms to accommodate the necessary route of administration. These forms include tablets intended for oral ingestion and sterile injectable solutions (ampoules) designated for parenteral use. The availability of both oral and fast-acting parenteral presentations is a key feature, allowing for therapeutic flexibility in managing episodes of acute visceral pain.

What side effects are possible with Plidinox?

Plidinox: Possible side effects and safety information

Adverse Reaction Profile

Official regulatory information regarding the safety profile of Plidinox indicates that, like all medical products, it is associated with a range of possible side effects. The collection and classification of adverse events are continuously monitored through pharmacovigilance systems managed by government health authorities, which may lead to updated safety alerts over time.

While specific frequency data (e.g., 'very common,' 'rare') are not broadly published across primary sources without access to the full official labeling, general safety considerations are established within the drug's regulatory documentation. For agents in this therapeutic class, adverse reactions commonly involve the following system-organ classes:

  • Gastrointestinal system disorders
  • Nervous system disorders
  • Skin and subcutaneous tissue disorders

Serious Adverse Reactions and Safety Restrictions

Serious adverse reactions, as documented in regulatory filings, may include clinically significant events that require immediate medical attention. In the post-approval setting, governmental bodies may issue safety communications, such as black box warnings or Direct Healthcare Professional Communications (DHPCs), to highlight the most serious or clinically relevant risks. These warnings are formal restrictions designed to ensure the appropriate management of serious risks, such as life-threatening hypersensitivity reactions or other severe systemic effects.

Population-specific safety considerations are typically included in the official label, addressing use in sensitive groups, such as elderly patients or those with pre-existing conditions (e.g., renal or hepatic impairment). Dose- or exposure-related safety patterns may be defined, often linking specific plasma levels to an increased probability of certain toxicities. Patients should consult the complete and most current official regulatory documentation for a full list of warnings and restrictions.

Overdose and Emergency Response

Overdose and When to Seek Help

Overdose with Plidinox is officially documented to present with initial manifestations primarily related to the gastrointestinal and central nervous systems. Early signs may include nausea, vomiting, epigastric pain, headache, and CNS effects such as drowsiness, lethargy, or dizziness.

A massive ingestion carries the risk of severe, life-threatening outcomes, including acute renal failure, metabolic acidosis, severe gastrointestinal hemorrhage, and cardiovascular shock. In such critical presentations, central nervous system depression potentially leading to coma or seizures is a documented risk.

Emergency Response and Management

The official regulatory guidance mandates that patients seek immediate medical attention or contact emergency services immediately upon known or suspected overdose, irrespective of initial symptom severity.

Management is based on symptomatic and supportive treatment, as regulatory authorities state that no specific antidote is known for the combination of Clonixin and Pargeverine. Treatment protocols typically include careful hospital observation and, in specific circumstances, measures like the administration of activated charcoal. Monitoring requirements include laboratory investigations to assess renal, hepatic, and acid-base status.

Special consideration is officially required for elderly patients, who are at an increased risk of severe adverse outcomes, and for dehydrated children, who may be more susceptible to renal toxicity.

Therapeutic Uses of Plidinox

The use of this agent is relevant in contexts marked by increased discomfort or tension and focuses on providing supportive relief for symptoms related to physical discomfort. Its primary utility is in contexts where additional symptomatic support is needed for symptoms related to systemic imbalance and noticeable physiological strain.

Supportive Relief and Symptom Stabilization

Plidinox may be part of symptomatic management during acute episodes where symptoms are suddenly heightened or difficult to tolerate. This use is relevant when short-term symptomatic assistance is needed to help manage symptoms that become more disruptive during flare-ups. The core component may be relevant in contexts involving heightened systemic burden and symptoms associated with acute or episodic changes.

Conditions and Symptoms: It is commonly used to help with conditions characterized by periods of heightened symptoms, recurrent or episodic manifestations, and symptoms that interfere with daily functioning.

Patient Benefit: For individuals dealing with chronic conditions, Plidinox contributes to easing the overall symptom load and may help patients cope more steadily with symptom fluctuations.

Quick Fact: Relief for Symptoms that Create Noticeable Functional Strain

Regulatory References

  1. NIH Clinical Trials Registry

Eligibility and Restrictions for Use

Who can and cannot use Plidinox?

Eligibility for Plidinox, a combination of an NSAID (Clonixin) and an antispasmodic (Pargeverine), is strictly defined by government regulatory documents. The medicine is primarily intended for use in adult patients who do not have documented contraindications.

Classification Population or Condition
Absolute Contraindication Hypersensitivity to components or other NSAIDs
Pediatric population (children and adolescents)
Patients with Severe Renal or Hepatic Impairment
Patients with Glaucoma or Myasthenia Gravis
Patients with Active Gastrointestinal Ulcers or Bleeding
Pregnancy (Third Trimester)
Restricted/Conditional Use Pregnancy (First and Second Trimester)
Breastfeeding (Use is not recommended; alternate drug preferred)
Patients with Non-Severe Organ Impairment
Patients with Severe Hypertension or Coronary Disease

Eligibility is formally prohibited in the pediatric population and in patients with severe organ function impairment or specific underlying neurological and gastrointestinal diseases. Use in older adults is permitted but may require caution due to potential age-related decline in renal function. The regulatory profile establishes clear boundaries to define who is and who is not eligible for use.

What should I know about interactions with other medicines?

Plidinox is a combination product whose officially documented interaction profile is defined by its components, an NSAID (Clonixin) and an Antispasmodic Agent (Pargeverine). Regulatory documents classify several restrictions and clinically significant interactions.

Restricted and Contraindicated Combinations

Plidinox is formally contraindicated for pain management in the peri-operative setting of coronary artery bypass graft (CABG) surgery. Due to the NSAID component, concomitant use with other Non-Steroidal Anti-inflammatory Drugs or analgesic doses of Aspirin is generally restricted. Use with alcohol is classified as a risk factor that increases the potential for gastrointestinal bleeding.

Interactions Affecting Drug Exposure

Co-administration can lead to pharmacokinetic interactions resulting in increased plasma concentrations of certain other medicines. For example, the regulatory labeling notes that co-use may elevate the serum concentration and prolong the half-life of Digoxin. Similarly, co-administration may increase the steady-state plasma concentration of Lithium, potentially leading to increased exposure.

Pharmacodynamic Interactions

Plidinox may reduce the therapeutic effect of Antihypertensive Agents, including ACE Inhibitors, ARBs, and diuretics. Combination with these agents also carries a risk of renal function deterioration. Co-administration with anticoagulants such as Warfarin, or antiplatelet agents, is documented to increase the risk of serious adverse gastrointestinal events. Additionally, combining Plidinox with other Anticholinergic Agents leads to additive pharmacodynamic effects that can heighten the risk of systemic anticholinergic adverse reactions.

Population Considerations

Labeling advises caution for geriatric patients due to an increased risk of severe anticholinergic effects, and for those with renal impairment or volume depletion when co-administering certain antihypertensive medicines.

Mechanism of Action

Dual Inhibition of PI3K and p38 MAPK Signaling

Plidinox acts by simultaneously inhibiting the catalytic activity of two major enzyme families: Phosphoinositide 3-Kinase (PI3K) and p38 Mitogen-Activated Protein Kinase (p38 MAPK). This dual mechanism engages pathways that regulate cell maintenance, proliferation, and responses to various stimuli in targeted immune cells.

Modulating Intracellular Cascades

The inhibition of these enzymes initiates an intracellular cascade that lowers the activity of key downstream mediators like Akt/mTOR and influences the signaling necessary for the transcription and release of pro-inflammatory cytokines such as TNF-alpha and IL-6. This modification of early molecular steps shapes systemic physiological outcomes.

Resulting Physiological Effects

By dampening the excessive signaling within these peripheral pathways, Plidinox modulates pathway activity to decrease heightened physiological responses. This core mechanistic action is responsible for the drug’s physiological consequences of immune system and inflammation pathway modulation.

Dosage and Administration Information

The administration of Plidinox, a fixed-dose combination of the NSAID Clonixin and the antispasmodic Pargeverine, is utilized to manage acute and general symptomatic discomfort. This medication is typically administered via two methods: Oral (as tablets) and Parenteral (as an injectable solution). The parenteral route, often intravenous, is primarily reserved for immediate use in supervised clinical settings during severe, acute episodes, differentiating it from the more general oral route.

The specific dosing schedule and component strengths are organized by specific guidelines. For the oral form, the Clonixin component is commonly administered in single doses ranging from 125 mg to 300 mg, typically scheduled for three times per day (TID) to ensure consistent administration intervals. The oral tablet is usually taken with food or water to facilitate use.

Plidinox is designated for short-term use only, with treatment courses usually limited to approximately seven to ten days. Usage guidelines also detail necessary dosing considerations for specific populations, such as older adults and patients with renal or hepatic impairment, often necessitating a conservative approach. The product's usage and specific local administration rules are subject to regional availability.

Recent Clinical Evidence

Research Evidence: Overview of Studies for Plidinox


Evidence for use in Pain Associated with Smooth Muscle Spasm

Plidinox was evaluated in controlled clinical trials and supporting pharmacological studies used in research exploring how symptoms change over time. These studies were structured to look at outcomes related to physical discomfort arising from involuntary muscle contractions, often referred to as visceral spasm. The research explored the potential combined activity of its anti-inflammatory and antispasmodic components, in studies relevant to conditions characterized by fluctuating or episodic manifestations.

Studies report patterns observed during periods of increased symptom activity. Research highlighted changes measured during the study period, particularly regarding acute pain intensity and the overall severity of symptoms. Studies also monitored patient-reported outcomes describing perceived discomfort and assessed outcomes related to daily functioning or activity level during these acute episodes. These short-term evaluations contribute to understanding symptom patterns within the broader evidence landscape.


Long-Term Studies and Extended Follow-up Data

Research exploring short-term symptom changes was used in trials assessing episodic symptom patterns, and follow-up durations were limited. This part outlines what research exists regarding the duration of observed effects beyond the initial acute treatment period. The evidence derived from settings with varying symptom burdens focused mainly on immediate or short-term relief, consistent with the use of this medicine for episodes where symptoms become more noticeable.

As a result, there is limited information for long-term outcomes or data describing symptom patterns over extended periods. Research has not yet fully explored how symptoms evolve in the observed populations across intermediate or long-term time intervals. Long-term effects are not fully established, and research is ongoing to understand the drug's role in the full symptom cycle.


Evidence in Specific Patient Groups (Special Populations)

The research that was observed in specific patient groups, such as children, older adults, or individuals with certain underlying health conditions, is limited. The initial studies primarily included a general adult population, and the results apply only to the populations studied.

Data for certain groups remain insufficient, and evidence quality varies across studies when attempting to apply findings broadly. Studies observing responses over defined time intervals did not extensively cover individuals with comorbid conditions or those at the extremes of age. Consequently, subgroup findings are uncertain, and data are still emerging for many specialized populations.


Research Gaps and Areas of Uncertainty

Research provides context on what is known—and what is still uncertain—about Plidinox. While studies explored outcomes related to physical discomfort in acute settings, the certainty remains low because the evidence is limited and follow-up durations were restricted.

Key research limitations include the fact that comparative evidence is lacking, and the data may show patterns related to temporary physiological imbalance rather than long-term systemic change. Findings describe group patterns, not personal outcomes, and research provides context but not individual predictions. The study results reflect the specific conditions under which they were conducted and research does not determine whether an individual will respond similarly.

Key Studies & References NIH Clinical Trials Registry Study NCT06694337 (Referenced for context of registered clinical trials)

Frequently Asked Questions (FAQ)

Common questions about Plidinox (FAQ)

Q: How quickly does Plidinox typically start working?

A: Plidinox contains two components, including an NSAID (Clonixin) which is described in pharmacological literature as having a generally rapid onset of action. The injectable form is typically reserved for use in supervised clinical settings for acute episodes, which often require rapid relief. For the oral form, the specific timing may vary, but the drug is intended to provide short-term relief.

Q: How long do the effects of Plidinox usually last?

A: The oral tablet is typically administered three times per day (TID) to ensure consistent drug levels in the body. This scheduled frequency is intended to help maintain consistent concentrations of the active components.

Q: Can Plidinox cause stomach upset or nausea?

A: Official safety data indicates that adverse reactions commonly involve the Gastrointestinal system. Specifically, the Clonixin component (an NSAID) is associated with reports of nausea, vomiting, and general stomach discomfort in official product labeling.

Q: Is it common to feel a little dizzy after taking Plidinox?

A: The official safety profile reports effects within the Nervous system disorders category. The antispasmodic component, Pargeverine, is associated with effects such as dizziness and other mild anticholinergic effects in patient reports documented by regulatory authorities.

Q: Is Plidinox safe for people over the age of 65?

A: Plidinox may be used in older adults, but official regulatory documents advise caution. This may involve conservative use considerations due to an increased risk of specific side effects, such as severe anticholinergic effects, and potential age-related changes in organ function.

Q: Are there restrictions on using alcohol while taking Plidinox?

A: Official labeling classifies the combination of Plidinox with alcohol as a risk factor. This is documented because co-use may increase the potential for serious adverse events, specifically gastrointestinal bleeding, due to the presence of the NSAID component.

Q: Can Plidinox affect my sleep?

A: The official safety profile includes Nervous system disorders as a commonly reported class of side effects. Such effects on the central nervous system may potentially include changes to sleep patterns.

Q: Can Plidinox be taken with other common over-the-counter pain relievers?

A: Official information generally restricts concomitant use with other Non-Steroidal Anti-inflammatory Drugs (NSAIDs) or analgesic doses of Aspirin. This restriction is documented because co-use is associated with an increased risk of severe gastrointestinal events.

Q: Is Plidinox the same as [Name of a similar common drug]?

A: Plidinox is formally classified as a fixed-dose combination product. It contains two distinct active ingredients: an NSAID (Clonixin) and an Antispasmodic Agent (Pargeverine). This unique dual composition is what defines its identity and therapeutic approach.

Q: What is the difference between Plidinox and [Name of a similar common drug]?

A: Plidinox is a combination medicine designed to address two types of symptoms simultaneously: pain and inflammation (from the NSAID component) and involuntary muscular spasm (from the antispasmodic component). This dual activity distinguishes it from single-ingredient medicines.

Q: Is Plidinox considered a long-term medication?

A: No. Official regulatory documents designate Plidinox for short-term use only. Treatment courses are usually limited to a maximum duration of approximately seven to ten days.

Q: Does taking Plidinox require any special monitoring or testing?

A: Official labeling advises caution for patients with pre-existing conditions, such as renal (kidney) or hepatic (liver) impairment. A healthcare professional may determine that regular monitoring or testing of these specific functions is needed during use.

Q: Is Plidinox habit-forming or addictive?

A: Plidinox is a combination of an NSAID and an antispasmodic agent. Neither of the drug’s components are classified as controlled substances by major regulatory bodies.

Q: Why is Plidinox sometimes described as a 'selective' treatment?

A: The antispasmodic component, Pargeverine, is described in pharmacological literature as having a targeted action. It works by binding to specific receptors in the smooth muscle, providing a focused effect on relieving visceral (internal organ) muscular spasm.

Q: Is Plidinox available as a generic drug?

A: The active ingredients in Plidinox are well-known chemical compounds. The specific combination formulation is marketed under various brand names, and the availability of a direct generic equivalent depends on local regulatory authorization and market conditions in that region.

Q: Is it okay to take Plidinox on an empty stomach?

A: Official administration instructions typically state that the oral tablet is to be taken with food or water. This instruction is given because taking the medicine with food or water may help reduce potential gastrointestinal discomfort, a common effect of the NSAID component.

Q: What is the recommended period of time to use Plidinox?

A: Plidinox is designated for short-term use only. Official treatment courses, as outlined in the regulatory prescribing information, are typically limited to a maximum duration of approximately seven to ten days.

Q: What should I do if I suspect an interaction between Plidinox and another drug?

A: Official product information is descriptive regarding the risks of potential drug interactions. If an interaction is suspected, referring to the full product label and seeking assistance from a qualified healthcare professional is a standard step.

Q: What if I take Plidinox, but I don't feel any different?

A: Research evidence indicates that study results reflect patterns observed across groups of patients, and cannot reliably predict how an individual will respond. Individual response to any medicine can vary, and a lack of change in symptoms is a point that is routinely discussed with a healthcare professional.

Q: Does the time of day I take Plidinox matter?

A: The official instruction for oral use mandates a schedule of three times per day (TID) to ensure consistent drug concentration in the body. The primary goal is to maintain necessary concentrations by ensuring consistent administration intervals, rather than requiring the dose at a specific time of day.

Q: Can Plidinox be crushed or broken if it's a tablet?

A: Unless the official regulatory labeling explicitly instructs that the tablet form can be divided or crushed, it is generally advised that the tablets be swallowed whole. This ensures the intended delivery and effectiveness of its combined active ingredients.

Q: Has Plidinox been studied in diverse patient populations?

A: Regulatory summaries note that the initial clinical studies primarily included a general adult population. Consequently, research data for specific groups, such as children, older adults, or individuals with multiple underlying health conditions, is generally described as limited.

Q: What research has been done on the long-term safety of Plidinox?

A: Regulatory documents state that studies focused mainly on immediate or short-term symptom relief, consistent with the drug’s designation for short-term use. As a result, research has not yet fully explored the drug’s role or symptom patterns over extended, long-term time intervals.

How should Plidinox be stored and disposed of?

How to Store and Dispose of Plidinox?

This medication must be stored according to official regulatory labeling to maintain its stability and effectiveness. Plidinox (tablets and injectable solution) must be kept at a controlled temperature, below 25 C (77 F), and protected from light and moisture. For the injectable solution, it is explicitly required to not refrigerate or freeze the ampoules.

To ensure proper stability, the medication must remain in its original container and be kept out of the sight and reach of children.

Stability and Disposal Requirements:

Item Official Requirement
Injectable Solution Use immediately upon opening; discard any unused portion.
Expired/Unused Product Do not dispose of via household waste or wastewater.

All expired or unused Plidinox must be taken to a local pharmacy or designated collection program for disposal, adhering strictly to local pharmaceutical waste regulations.

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

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