Neodolpasse

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Neodolpasse

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Medically reviewed

Laura Arias

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 Neodolpasse

Quick Facts

Property Description
Active ingredients Diclofenac and Orphenadrine
Form Infusion solution
Pharmacological class NSAID and Centrally acting muscle relaxant
Common use Acute painful musculoskeletal conditions
Origin Synthetic

What is the Fixed-Dose Combination of Neodolpasse?

Neodolpasse is a specialized pharmaceutical product defined as a fixed-dose combination (FDC), which integrates the distinct, synthetic active agents, Diclofenac and Orphenadrine, into a single, standardized preparation. The medication's distinctive feature is its formulation as a ready-to-use infusion solution, an aqueous liquid designed exclusively for intravenous administration under medical supervision. This specific delivery method is clinically recognized for achieving rapid systemic concentrations in acute care settings, which is crucial for managing sudden, intense pain episodes.

What Type of Medicine is the Diclofenac/Orphenadrine Combination?

This preparation is classified as a multimodal analgesic, as its therapeutic action is derived from two different pharmacological categories. The Diclofenac component places it in the Non-steroidal anti-inflammatory drug (NSAID) class, providing established anti-inflammatory and pain-relieving effects. Concurrently, the Orphenadrine component is categorized as a Centrally acting muscle relaxant, acting on the central nervous system to ease muscle tension. The combination functions by addressing both the painful inflammation and the associated muscle spasms concurrently.

What is the General Therapeutic Purpose of Neodolpasse?

The core therapeutic purpose of Neodolpasse is to provide intensive, rapid relief for acute painful musculoskeletal conditions, such as severe back pain or sudden, sharp muscle strains. The FDC structure ensures that the anti-inflammatory action of the NSAID and the muscle relaxation effect occur concurrently, utilizing an additive action that is highly valued in pain management. This combination strategy is specifically employed in clinical settings where prompt systemic absorption and comprehensive symptom control are necessary, offering a significant differentiating factor from oral analgesic regimens.

What side effects are possible with Neodolpasse ?

The official safety profile for the Diclofenac/Orphenadrine fixed-dose combination is derived from the established risks of its NSAID and centrally acting muscle relaxant components, as classified in government regulatory documents.

Adverse Reaction Scope

The adverse effect profile covers two main regulatory categories: NSAID-related systemic effects and Anticholinergic/CNS effects. The most frequently listed (Common) adverse reactions across the system-organ classes often include headache, dizziness, nausea, vomiting, diarrhea, abdominal pain, and dry mouth.

Serious Adverse Reactions and Safety Constraints

Regulatory sources explicitly document the risk of serious adverse reactions associated with the NSAID component, including Gastrointestinal bleeding, ulceration, or perforation and Cardiovascular thrombotic events (such as myocardial infarction or stroke). These events are stated to potentially occur early in treatment or at any time during use without warning symptoms.

Safety limitations and contraindications are defined for specific populations. Risks are heightened for older adults (particularly for serious GI events) and patients with pre-existing conditions like severe cardiovascular disease or specific conditions sensitive to the anticholinergic effects of orphenadrine, such as glaucoma or urinary retention. Official labeling further restricts use in patients with active peptic ulceration or hemorrhage.

Regulatory Summary

The safety classification structures the risk assessment by: 1. Defining common and uncommon reactions by body system; 2. Isolating life-threatening but rare risks; and 3. Establishing non-negotiable safety constraints for use in vulnerable or high-risk patient groups.

Overdose and Emergency Response

Overdose and when to seek help

Official regulatory documentation for the Diclofenac/Orphenadrine fixed-dose combination outlines a dual toxicity profile requiring immediate medical attention in case of suspected overdose.

Documented Overdose Manifestations

Symptoms may include manifestations of anticholinergic toxicity such as tachycardia, excitement, confusion, delirium, and dry mouth. NSAID-related effects like nausea, vomiting, epigastric pain, and gastrointestinal bleeding are also documented. Overdose may progress to profound somnolence or coma.

Severe Outcomes and Emergency Action

Overdose is associated with severe, potentially life-threatening outcomes, including cardiac arrhythmias, cardiovascular collapse, and respiratory depression, primarily linked to the Orphenadrine component. Additionally, the risk of acute renal failure and hepatic damage (liver failure) from the Diclofenac component is documented.

Immediate medical attention is required upon suspicion of overdose or in the event of severe, life-threatening symptoms, such as an anaphylactic reaction or signs of cardiovascular instability. Regulatory guidance mandates that management relies on symptomatic and supportive treatment under intensive monitoring, including ECG observation, as no specific antidote is known for the muscle relaxant component.

Therapeutic Uses of Neodolpasse

What Neodolpasse Treats: Main Uses and Benefits

Support for Heightened Discomfort in Acute Musculoskeletal Pain

The Diclofenac/Orphenadrine combination is generally applied for the symptomatic management of acute, severe painful musculoskeletal conditions. It is relevant when symptoms are heightened, such as with significant spine syndromes (like lumbago), severe strains, or painful manifestations associated with acute inflammatory conditions. The medicine is commonly used to help with symptom clusters characterized by both acute inflammation and involuntary skeletal muscle spasm or tension.

This formulation is applied in clinical settings where short-term symptomatic assistance is needed, such as in the early postoperative period or during acute episodes of severe back pain. It provides support that helps reduce the overall symptom burden, assisting patients to cope more steadily with difficult, temporarily debilitating episodes.

“This approach is relevant when symptoms become temporarily overwhelming, requiring assistance to maintain functional stability.”

This supportive approach generally assists in easing stiffness and muscle contracture, which helps improve day-to-day comfort during symptomatic periods.


Quick Fact: Relief for Acute Pain & Spasm
Primary Focus Acute painful musculoskeletal conditions
Symptom Profile Pain, inflammation, and muscle contracture
Use Context Short-term symptomatic assistance

Eligibility and Restrictions for Use

The eligibility for the fixed-dose combination Neodolpasse is strictly defined by the regulatory contraindications for its two active components, Diclofenac (NSAID) and Orphenadrine (muscle relaxant). Use is generally established for Adults.

Contraindicated Populations

Category Contraindication Status
Cardiovascular/Bleeding Contraindicated in established Ischaemic Heart Disease, Congestive Heart Failure (NYHA II-IV), and following CABG surgery. Prohibited in patients with active gastrointestinal ulceration or bleeding.
Organ Failure Prohibited in Severe Hepatic or Renal Failure.
Allergy Contraindicated with known hypersensitivity to either active agent or other NSAIDs (e.g., aspirin-induced asthma).
Anticholinergic Risk Contraindicated with Glaucoma, Myasthenia Gravis, Enlarged Prostate, and obstructive conditions of the urinary or GI tract.

Age and Pregnancy Eligibility

Population Eligibility Status
Pediatric Use not established; generally not recommended or contraindicated for children under 14 years.
Pregnancy Contraindicated in the third trimester. Use is restricted and generally avoided from 20 to 30 weeks gestation.
Lactation Use not recommended or should be done with caution.

What should I know about interactions with other medicines?

Neodolpasse, a fixed-dose combination, carries interaction risks derived from both its Diclofenac (NSAID) and Orphenadrine (muscle relaxant) components. These documented interactions are categorized into pharmacokinetic and pharmacodynamic effects by regulatory authorities.

The Orphenadrine component may cause additive central nervous system depressant effects when combined with CNS Depressants, such as opioids and sedatives, or heighten anticholinergic adverse effects when co-administered with other anticholinergic agents. This is an official pharmacodynamic constraint.

Co-administration of the Diclofenac component with analgesic doses of Aspirin or other NSAIDs is not generally recommended due to a significantly increased risk of serious gastrointestinal adverse events, including bleeding. The profile also reflects altered hemostasis risk with agents like Warfarin and SSRIs/SNRIs.

Diclofenac alters the efficacy of several cardiovascular and renal medications. Concomitant use with ACE Inhibitors, ARBs, or Diuretics may reduce their therapeutic effect and may lead to a heightened risk of renal function deterioration. This specific caution applies particularly to elderly or volume-depleted patients.

From a pharmacokinetic standpoint, Diclofenac clearance is primarily mediated by the CYP2C9 enzyme. Inhibitors of this pathway, such as Voriconazole, are documented to increase Diclofenac’s systemic exposure. Alcohol consumption is restricted due to its ability to increase the risk of both central nervous system side effects and gastrointestinal bleeding.

Mechanism of Action

Neodolpasse's pharmacological action is based on a precise multi-domain mechanism, which leads to targeted physiological modulation. The drug acts by engaging specific molecular pathways to influence heightened or dysregulated systemic responses.


Modulation of Key Enzyme Activity

This domain covers the drug's effect on specific enzyme systems responsible for synthesizing key inflammatory and pain mediators. By inhibiting these early molecular steps, Neodolpasse limits the initial production of pro-nociceptive and pro-inflammatory signals, influencing the regulation of overactive physiological responses.


Targeted Receptor-Mediated Signaling

Neodolpasse also exerts influence within domains involving receptor-mediated signaling, particularly those implicated in the transmission of acute physiological stress signals. This action helps to suppress signaling sequences and subsequent mediator release, resulting in physiological adjustments that affect the drug's activity profile.


Influencing Regulatory Feedback within Pathways

Relevant in cascades where pathway activation is rapid, the drug engages mechanisms that influence feedback regulation within complex biological pathways. This supports a state of greater regulation by limiting the impact of excessive mediator activity and influencing the progression of physiological responses under specific conditions.

Dosage and Administration Information

Administration Guidelines

The usage of Neodolpasse, the fixed-dose combination of Diclofenac and Orphenadrine, is strictly defined by its formulation as an intravenous (IV) infusion solution. This route restricts administration to a controlled clinical setting under the surveillance of health professionals. It is not intended for oral or self-administered use.


Dosage and Schedule

Administration Parameter Standard Instruction
Route of Administration Intravenous (IV) Infusion only
Standard Unit Dose 75 mg Diclofenac / 30 mg Orphenadrine
Frequency Once or twice daily, with a minimum 8-hour interval
Maximum Daily Dose Limited by the 150 mg maximum of IV Diclofenac

The standard unit dose is the fixed combination of the two active agents. Administration is generally limited to once or twice daily, ensuring that the total daily dose does not exceed the maximum allowed for intravenous Diclofenac. The maximum duration for this parenteral treatment phase is typically restricted to short-term use, often not exceeding two days.


Procedural and Duration Constraints

Each infusion must be administered slowly over a controlled duration, typically taking between 30 minutes and 2 hours; it must not be given as a rapid intravenous bolus. Preparation of the solution often involves steps such as dilution and buffering prior to administration. For older adults and frail patients, guidance recommends using the lowest effective dose for the shortest duration possible, consistent with general practice for non-steroidal anti-inflammatory drugs.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Neodolpasse

Evidence for Acute Painful Musculoskeletal Conditions

Research has examined the use of this fixed-dose combination in people experiencing conditions involving periods of heightened symptoms, particularly those related to the spine such as acute back pain. The evidence gathered describes the study design and includes Randomized Controlled Trials (RCTs) and pharmacological studies exploring the anti-hyperalgesic effects of the combination. Findings describe patterns observed in the studies over short-term periods, with outcomes related to physical discomfort measured compared to placebo. Some trials reported measurements where the combination differed from the individual drugs administered separately, with research exploring the additive effect of the combination.

Evidence for Acute Postoperative Pain Management

The combination was evaluated in clinical settings focused on managing intense, acute pain immediately following major surgical procedures. These studies explored the medicine's role as part of a multimodal approach, examining outcomes related to physical discomfort. A key area of research examined the opioid-sparing effect, which monitored the consumption of opioid pain medication during the study period. Some trials monitored opioid consumption, data showing patterns related to a difference in supplementary opioid medication use over the first 24 to 48 hours postsurgery compared to control groups. Findings were mixed in some instances, with one study reporting no significant difference in opioid requirements when compared to diclofenac alone.

Key Limitations and Remaining Research Gaps

Data for certain groups remain insufficient to draw broad conclusions. The follow-up durations were limited across almost all clinical studies, concentrating only on the acute pain phase. Long-term effects are not fully established, and there is limited information for long-term outcomes or the durability of the observed patterns over extended periods. Comparative evidence is lacking for some common single-agent pain relievers. Research is ongoing to achieve a more complete understanding of its role in various pain management settings.

Key Studies & References

  1. MedlinePlus Drug Information: Orphenadrine

Frequently Asked Questions (FAQ)

Common questions about Neodolpasse (FAQ)


Q: How quickly does Neodolpasse usually start working?

Neodolpasse is administered as an intravenous (IV) infusion in a clinical setting. This specific route is generally recognized for achieving rapid systemic concentrations of the active ingredients. This supports the drug’s intended use in acute, sudden pain episodes, though a precise onset time is not typically provided in patient information.


Q: How long do the effects of Neodolpasse typically last?

Regulatory guidelines define the minimum time between administrations of Neodolpasse as 8 hours. Information from pharmacological documents notes that the Diclofenac component has a short terminal half-life of approximately 2 hours. This provides general context regarding how the drug is processed and cleared by the body.


Q: What is the difference between Neodolpasse and other common pain relievers?

Neodolpasse is defined by regulatory bodies as a fixed-dose combination (FDC) that contains two separate types of medicine: Diclofenac (an NSAID) and Orphenadrine (a muscle relaxant). The combination is classified as having an additive action, meaning it addresses both inflammation (NSAID) and muscle tension (muscle relaxant) simultaneously. It is also formulated exclusively as an intravenous infusion.


Q: Is it common to feel drowsy after taking Neodolpasse?

Official safety information lists reactions related to the central nervous system (CNS), such as dizziness and headache, as commonly reported. Because the Orphenadrine component is classified as a centrally acting muscle relaxant, regulatory information notes that CNS depressant effects, including drowsiness, may be associated with its use.


Q: Can Neodolpasse cause stomach upset?

Yes, regulatory safety documents state that gastrointestinal issues are commonly reported. These reactions include nausea, vomiting, diarrhea, and abdominal pain. The NSAID component is associated with risks to the stomach and digestive system.


Q: Is it possible for Neodolpasse to interact with cold or flu medicines?

Regulatory constraints advise against combining Neodolpasse with other Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) or products that have anticholinergic properties. Since some over-the-counter cold and flu preparations may contain these types of ingredients, it is important to communicate all medications taken to a healthcare professional.


Q: Does Neodolpasse have any warnings related to driving or operating machinery?

The official safety profile reports CNS adverse reactions such as dizziness and lightheadedness. Because of these potential effects, official guidance suggests that activities such as driving or operating machinery should be approached with caution.


Q: Do official documents mention anything about long-term use of Neodolpasse?

Official guidelines restrict the use of this intravenous formulation to short-term treatment only, often not exceeding two days. Research evidence sections note that studies on the drug have focused on the acute pain phase and that long-term effects are not fully established due to limited follow-up durations.


Q: Why might a doctor prescribe Neodolpasse instead of ibuprofen?

Official documentation describes Neodolpasse as a fixed-dose combination with a dual mechanism—anti-inflammatory and muscle relaxant. This drug is administered as an intravenous infusion in a clinical setting, which is a specialized delivery route employed for the intensive, rapid management of severe acute pain episodes, unlike typical oral regimens of ibuprofen.


Q: Is it possible for Neodolpasse to affect my sleep?

Official safety information reports that the drug’s components can be associated with central nervous system (CNS) effects. Regulatory documentation for the individual components lists specific adverse reactions such as insomnia (difficulty sleeping) and dream abnormalities.


Q: How is Neodolpasse usually removed from the body?

The Diclofenac component is processed in the body by the CYP2C9 enzyme pathway. Official information states that the drug and its byproducts are then primarily eliminated from the body through the urine and bile.


Q: Can I use Neodolpasse for a headache?

The core therapeutic purpose defined in official product documents is the relief of acute painful musculoskeletal conditions, such as severe back pain. While the NSAID component alone is approved for other acute pain uses, this specific fixed-dose combination is officially documented for use in musculoskeletal conditions.


Q: Are there any common supplements that interact with Neodolpasse?

Official documents strictly define interactions with prescription medications and alcohol. Regulatory guidance advises that because many herbal remedies and supplements are not tested for their effect on prescription drugs, it is generally recommended to inform a health professional about all supplements taken.


Q: What happens if I forget to take a dose of Neodolpasse?

Because this drug is administered exclusively in a controlled clinical setting under the direct care of health professionals, there are no specific patient instructions provided for managing a forgotten or missed dose. The scheduled dosing is managed entirely by the medical staff overseeing the infusion.


Q: Are there different strengths or forms (e.g., tablet, liquid) of Neodolpasse available?

The Neodolpasse fixed-dose combination is officially defined as a specialized infusion solution that is administered intravenously under medical supervision. Regulatory documents describe no other approved oral forms (like tablets or liquid) or strengths for this specific combination product.

How should Neodolpasse be stored and disposed of?

Storage and Handling

The official storage conditions for Neodolpasse (Diclofenac/Orphenadrine infusion solution) are designed to maintain the product's quality and stability. The medicine must be stored at a temperature not exceeding 25 C (77 F) and must not be frozen.

To protect the solution from environmental degradation, it must be kept in the original container to protect from light and stored in a dry place. As with all medicines, it is mandated to keep the product out of the sight and reach of children to prevent accidental exposure.

Disposal Instructions

Any unused medicine or waste material should be disposed of in accordance with local requirements. Regulatory guidance instructs against disposing of medicines via wastewater or household trash to avoid environmental contamination.

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

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