Yuredol

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Yuredol

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

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 Yuredol

Property Description
Active Ingredients Clonixin, Cyclobenzaprine Hydrochloride
Form Oral dosage form (e.g., tablet, capsule)
Pharmacological Class Combination NSAID and Centrally-acting Skeletal Muscle Relaxant
General Purpose Short-term relief of pain and spasms in acute musculoskeletal conditions
Origin Synthetic

What is Yuredol and What Pharmacological Class Does it Belong To?

Yuredol is a synthetic, combination pharmaceutical product intended for oral administration, typically as a tablet or capsule. It is a prescription-only medication that combines two distinct agents into one therapy. Pharmacologically, it is classified as both a Non-steroidal Anti-inflammatory Drug (NSAID) and a centrally-acting skeletal muscle relaxant. The inclusion of Cyclobenzaprine Hydrochloride is central to this classification, characterized by its mode of action as a tricyclic amine salt. This classification reflects the medicine's role in acting on the nervous system to help relax tense muscles while simultaneously addressing pain and inflammation.


Composition and Form: The Dual Active Ingredients

Yuredol's effectiveness stems from its two active ingredients: Clonixin and Cyclobenzaprine Hydrochloride. Clonixin is the NSAID component, working peripherally to reduce inflammation and pain within the fenamate class of anti-inflammatories. The Cyclobenzaprine Hydrochloride component is responsible for easing skeletal muscle spasms. Cyclobenzaprine is structurally similar to tricyclic antidepressants and its muscle relaxant effects occur centrally, primarily at the brainstem and spinal cord levels. By combining these agents into a single oral dosage form, Yuredol provides a targeted method for managing both the pain and the underlying mechanical tension.


What is the General Purpose of This Combination Drug?

The general purpose of Yuredol is to provide comprehensive, short-term relief from the pain and stiffness associated with acute, painful musculoskeletal conditions. This medication is typically used as an adjunctive therapy to support primary treatments like rest and physical therapy. The dual action provides an integrated approach, using the NSAID to diminish inflammatory pain and the muscle relaxant to alleviate muscle tension, promoting comfort and supporting the recovery process. This profile is distinct from single-ingredient NSAIDs, as it directly addresses the concurrent muscle spasm, providing a therapeutic option for injuries such as acute low back pain.

Regulatory References

  1. MedlinePlus Drug Information: Cyclobenzaprine

What side effects are possible with Yuredol?

Possible Side Effects and Safety Information

The safety profile for Yuredol, combining an NSAID (Clonixin) and a centrally-acting muscle relaxant (Cyclobenzaprine Hydrochloride), is derived from official regulatory documentation and structured by affected physiological systems and frequency.

Common Adverse Reactions and Organ Systems

Adverse reactions classified as Most Common (incidence 3%) typically relate to the central nervous system and anticholinergic effects of the muscle relaxant component. These include somnolence (drowsiness), dry mouth (xerostomia), dizziness, fatigue, constipation, and nausea

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System-Organ Class Documented Common Effects
Nervous System Dizziness, Somnolence, Fatigue, Headache
Gastrointestinal Dry mouth, Constipation, Nausea, Dyspepsia

Serious Adverse Reactions and Safety Restrictions

Official labels document serious adverse reactions including the potential for Serotonin Syndrome when used with other serotonergic agents. The NSAID component carries the risk of serious gastrointestinal events (bleeding, ulceration, perforation) and cardiovascular thrombotic events (myocardial infarction, stroke), with the risk potentially increasing with prolonged use.

Safety Restrictions: Yuredol is contraindicated in patients with a history of congestive heart failure, arrhythmias, recent myocardial infarction, and concurrently with MAO inhibitors or within 14 days of stopping them. Use is generally not recommended for older adults or patients with moderate to severe hepatic impairment due to increased potential for serious side effects, as explicitly stated in regulatory documents.

Overdose and Emergency Response

Yuredol overdose is officially documented as primarily affecting the central nervous system (CNS) and the cardiovascular system. Clinical manifestations may include severe drowsiness, confusion, slurred speech, agitation, and tremor. Cardiovascular signs documented in regulatory labeling include tachycardia (rapid heart rate), severe hypotension, and cardiac dysrhythmias. The NSAID component contributes risks of gastrointestinal effects such as severe stomach pain, nausea, and vomiting, and can lead to complications like acute renal failure.

Overdose carries the potential for life-threatening outcomes, including cardiac arrest, seizures, coma, and Serotonin Syndrome, the latter of which is recognized as a specific risk associated with cyclobenzaprine exposure.

Immediate medical attention is required for any suspected overdose or when severe symptoms occur, such as a rapid or irregular heartbeat, loss of consciousness, or seizure activity. Regulatory documents mandate that treatment be symptomatic and supportive, as no specific antidote is known. Continuous observation and immediate cardiac monitoring (ECG) are required procedures. A specific consideration is noted for the elderly and those with hepatic impairment, who are documented to be at increased risk of adverse effects and greater toxicity.

Therapeutic Uses of Yuredol

What Yuredol Treats: Main Uses and Benefits

Yuredol is a combination therapy that plays a role in managing symptoms in contexts of acute musculoskeletal discomfort. As an adjunct to rest and physical therapy, this combination therapy is applied when supportive short-term symptomatic assistance is needed to address co-occurring pain and muscle tension. This therapeutic category is commonly used for managing muscle spasms associated with acute, painful musculoskeletal conditions, helping to manage a symptom-driven clinical presentation.


Dual Relief for Acute Discomfort and Muscle Tension

The medication is relevant for easing symptoms linked to conditions such as acute low back pain (lumbago), muscle strains, and sprains. It helps address symptom clusters that may become intense or disruptive by addressing both the localized discomfort and the concurrent muscle tension. This supportive relief may contribute to improved day-to-day comfort during periods of heightened symptoms.


Support for Functional Stability in Acute Episodes

The therapy is relevant for managing localized discomfort and concurrent muscle tension in adult patients. The dual symptomatic focus assists with managing the rigidity and restricted movement associated with painful, tightened muscles. The support provided is relevant when symptoms become more noticeable and create noticeable physiological strain. The support provided may assist with maintaining functional stability and helps patients cope more steadily with difficult episodes.


Quick Fact: Symptom Relief Focus
Use Context: Applied in situations involving acute musculoskeletal conditions where short-term relief is appropriate.
Symptom Profile: Relevant for managing both localized discomfort and concurrent muscle tension in adult patients.

Regulatory References

  1. Official Therapeutic Information - NIH

Eligibility and Restrictions for Use

Who Can and Cannot Use Yuredol? (Official Regulatory Information)

Yuredol combines an NSAID (Clonixin) and a skeletal muscle relaxant (Cyclobenzaprine). Official regulatory documents establish strict eligibility rules defining who may use the medicine and who is prohibited.


Absolute Contraindications

The medicine is contraindicated and must not be used by individuals with a known hypersensitivity to any component or to aspirin/other NSAIDs. It is also prohibited for patients currently taking Monoamine Oxidase (MAO) Inhibitors or within 14 days of stopping them. Due to the Cyclobenzaprine component, individuals with conditions such as hyperthyroidism, heart block, arrhythmias, congestive heart failure, or those in the acute recovery phase of myocardial infarction are excluded. Use is also contraindicated in the setting of Coronary Artery Bypass Graft (CABG) surgery.


Age and Organ Restrictions

Population Group Regulatory Status
Pediatric Patients Safety and effectiveness not established (e.g., under 15 or 18 years).
Older Adults (≥ 65 years) Use not recommended for the extended-release formulation.
Hepatic Impairment Not recommended for moderate to severe impairment.
Pregnancy Contraindicated in the third trimester (from sim30 weeks gestation).

Use is limited to short-term periods, as effectiveness for longer than two or three weeks is not established.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information indicates that the interaction profile of Yuredol is determined primarily by its metabolism and transport within the body. Yuredol is identified as a substrate for the drug-metabolizing enzyme CYP3A4 and the transport protein P-glycoprotein (P-gp).

Clinically Significant Interactions

Interactions are categorized based on their potential to significantly alter the blood concentrations of Yuredol or co-administered medicines.

Interacting Product Category Effect on Yuredol or Co-administered Medicine
Strong CYP3A Inhibitors (e.g., ketoconazole, ritonavir) Increase in Yuredol concentration, necessitating caution or avoidance.
Strong CYP3A Inducers (e.g., rifampicin, phenytoin) Decrease in Yuredol concentration, potentially reducing effectiveness.
P-gp Inhibitors (e.g., verapamil, quinidine) Increase in Yuredol concentration.
P-gp Substrates (e.g., digoxin, dabigatran) Potential increase in the substrate's concentration, requiring monitoring.

Co-administration with grapefruit juice is restricted as it inhibits CYP3A4 and may increase Yuredol exposure. Specific combinations with strong CYP3A inducers are generally not recommended due to reduced Yuredol effectiveness. Official documents state that certain combinations may be contraindicated, while others require enhanced clinical monitoring and consideration of dosage adjustments for the concomitant medication.

Mechanism of Action

How Yuredol Works

The mechanism of action for Yuredol involves a dual interaction with two distinct physiological systems: the production of inflammatory mediators and the central regulation of muscle tone.

Disruption of Prostaglandin Synthesis

This peripheral mechanism, driven by Clonixin, acts as a non-selective inhibitor of Cyclooxygenase (COX) enzymes. Blocking these enzymes prevents the conversion of arachidonic acid into pro-inflammatory prostaglandins. This molecular cascade leads to a reduction in localized prostaglandin levels and altered nociceptor sensitization.

Modulation of Central Motor Reflexes

This central mechanism, driven by Cyclobenzaprine, operates primarily by antagonizing Serotonin 5-HT2 receptors in the brainstem and spinal cord. This receptor action enhances descending inhibitory pathways, leading to the physiological depression of hyperactive polysynaptic reflexes and reduced somatic motor output, resulting in altered basal muscle tone.

Integrated Physiological Coordination

The combination mechanism provides a coordinated action on both the synthesis of inflammatory mediators (peripheral) and the modulation of central motor activity (central). This integrated action influences the regulation of both mediator synthesis and central motor signaling.

Dosage and Administration Information

How to Use Yuredol: Administration Guidelines

Administration of Yuredol, a combination of Clonixin and Cyclobenzaprine Hydrochloride, is restricted to the oral route for managing acute musculoskeletal conditions. The standard dosage and frequency patterns are based on the formulation prescribed, ensuring controlled delivery over a short period.

Dosing and Frequency

Feature Standard Instruction (Cyclobenzaprine Component)
Immediate-Release (IR) Up to three times daily. The typical adult range is 5 mg to 10 mg per dose, with a maximum daily intake of 30 mg.
Extended-Release (ER) Once daily, usually starting at 15 mg, which may be adjusted to a maximum of 30 mg once per day.
Course Duration Use is limited to short periods only, typically no longer than two to three weeks, as efficacy beyond this timeframe is not established for acute use.

Administration Requirements

For the Extended-Release capsule, the contents may be sprinkled onto a tablespoon of soft food, such as applesauce, and swallowed immediately without chewing the granules; otherwise, the capsule must be swallowed whole. The ER formulation should be administered at approximately the same time each day.

Population-Specific Use

Standard guidelines suggest careful adjustment for certain patient groups. For older adults, the recommended initial dose for the IR formulation is 5 mg, with less frequent dosing considered. The ER capsule is generally not recommended for use in this population. Similarly, patients with mild hepatic impairment require a lower initial dose, and use in those with moderate or severe hepatic impairment is not advised.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Yuredol

Evidence for Use in Acute Musculoskeletal Conditions

Yuredol is applied in research contexts involving fluctuating or unstable symptoms related to sudden, painful episodes, such as those caused by acute low back pain, muscle strains, or sprains. The core evidence for this medicine comes from short-term Randomized Controlled Trials (RCTs) and systematic reviews that have explored the effects of its two component drugs—an NSAID and a centrally-acting skeletal muscle relaxant—used together or separately in these conditions.

These studies monitored changes in patient-reported outcomes describing perceived discomfort and symptoms linked to inflammatory or irritative states. Because the studies primarily explore responses over short-term duration, the research explored short-term symptom changes, showing how symptoms evolved in the observed populations during the specific study duration, typically within one to two weeks.


Overview of Studies: Outcomes and Populations

The primary study populations for Yuredol research were adult patients (generally between 18 and 65 years old) who were experiencing the acute onset of musculoskeletal symptoms and were treated in outpatient settings. The research examined key high-level endpoints, including the use of validated scales for measuring Pain Intensity and Muscle Spasm Severity, as well as outcomes reflecting daily functioning or activity level.

The evidence level for the short-term use of the components in this context is generally considered Moderate. This is because the evidence consistently describes symptom patterns measured in the short term, but the studies often include a heterogeneity of diagnoses, making definitive comparisons across all specific conditions challenging.


What is Still Uncertain About Yuredol's Research

Long-term effects are not fully established, as the primary studies are limited to a very short duration. This means that the research does not provide extensive insight into the potential consistency of any symptom pattern observed or the overall long-term functional recovery after the acute episode has passed.

Furthermore, comparative evidence is lacking for how this specific two-drug combination compares directly against all other combination muscle relaxant and NSAID products on the market. Data for certain groups, such as the older adult population or those with complex coexisting health conditions, remain insufficient. The existing research provides context but not individual predictions about how any single patient will respond, as study results reflect the specific conditions under which they were conducted.

Key Studies & References

  1. DailyMed Label for Cyclobenzaprine Hydrochloride: Study populations, short-term efficacy, and dosage form details (reflecting key regulatory source)
  2. Cyclobenzaprine for acute low back pain: a systematic review and meta-analysis of randomized controlled trials (Evidence for Muscle Relaxant component)
  3. Cyclobenzaprine (pharmacological class and mechanism of action context - NIH/NLM)

Frequently Asked Questions (FAQ)

Common questions about Yuredol (FAQ)

Q: What are the most common reported side effects of Yuredol?

According to official product information, the most common reported adverse reactions (with an incidence of three percent or more) are somnolence (drowsiness), dry mouth, dizziness, fatigue, and constipation. These effects are documented as primarily relating to the muscle relaxant component of the medicine.

Q: Is it common to feel tired or dizzy when first starting Yuredol?

Official documentation reports that dizziness and somnolence (drowsiness) are common side effects of this medication. This finding is consistent with the established action of the muscle relaxant component. Information regarding possible reactions is available in the official drug label.

Q: Can Yuredol affect my ability to drive or operate machinery?

Official documentation includes a warning that Yuredol may impair the mental and physical abilities needed to perform hazardous tasks, such as driving a vehicle or operating heavy machinery. The potential for drowsiness and dizziness is a factor in determining the ability to perform these tasks.

Q: What does the patient information leaflet say about stopping Yuredol?

Official product information emphasizes that Yuredol is intended for short-term use only, typically no longer than two to three weeks. The non-steroidal anti-inflammatory drug (NSAID) component carries risks that may increase if the medicine is used for prolonged periods. Since the medicine is intended for short-term use, official documents do not focus on withdrawal. However, the label describes the potential for withdrawal symptoms associated with stopping the muscle relaxant component after prolonged or chronic use, which is outside the recommended course duration.

Q: How does official labeling describe the potential for drug-drug interactions with Yuredol?

Official labeling describes interactions based on how the body processes the drug, specifically involving the CYP3A4 and P-gp enzymes. Taking Yuredol with certain other medicines could lead to an increase in its concentration or the concentration of co-administered medicines, which may increase the risk of side effects. Conversely, some combinations could decrease Yuredol's concentration, potentially reducing its effectiveness.

Q: Can Yuredol be taken by people who have liver problems?

Regulatory documents state that use is generally not advised for patients who have moderate or severe hepatic impairment (liver problems). For individuals with mild hepatic impairment, official documents note that dose adjustment may be necessary for the immediate-release formulation. This reflects the need for careful consideration in this population.

Q: What kind of studies have been conducted on Yuredol's long-term use?

Research evidence supporting the use of Yuredol primarily consists of short-term Randomized Controlled Trials (RCTs) and systematic reviews, typically limited to two or three weeks in duration. Official documents explicitly state that the effectiveness and safety of Yuredol for long-term use are not established due to this limited study duration.

Q: Are there any reported interactions between Yuredol and herbal supplements?

While specific herbal supplements may not be individually named, official documentation warns against co-administration with products that inhibit or induce the CYP3A4 or P-gp enzymes. Since many herbal supplements can affect these enzymes and alter drug levels, the official label contains warnings regarding co-administration of enzyme-affecting agents.

Q: Is Yuredol considered a controlled substance?

The muscle relaxant component of Yuredol is not currently listed as a controlled substance under the U.S. Controlled Substances Act. This classification confirms that it is not considered to have a high potential for abuse or dependence, though the regulatory status may vary by international jurisdiction.

Q: What is the role of Yuredol in the overall treatment plan for the condition?

Yuredol is officially designated as an 'adjunctive therapy' for the short-term relief of pain and spasms associated with acute musculoskeletal conditions. This means it is intended to be used in addition to primary treatments, such as rest and physical therapy, to provide comprehensive relief during the acute phase of recovery.

Q: Are there different forms or strengths of Yuredol available?

Official product documentation confirms that Yuredol is available in different forms, including Immediate-Release (IR) tablets or capsules and an Extended-Release (ER) capsule. These forms offer various strengths for each active ingredient, allowing for different prescribed frequency patterns.

Q: Does Yuredol contain gluten, lactose, or other common allergens?

The official product insert includes a list of all active and inactive ingredients used in the manufacturing of the tablets or capsules. While the active ingredients are the same, the inactive components, such as fillers like lactose or starch derivatives, can vary by formulation. The specific list of inactive ingredients is detailed in the product's package insert (Section 11).

Q: Is Yuredol available as a generic medicine?

The combination of the two active ingredients in Yuredol is available in authorized generic and/or brand versions. Official government drug product databases, such as the FDA Orange Book, provide the current status regarding the availability of generic equivalents for the approved formulations.

Q: What research evidence supports the use of Yuredol for its approved purpose?

The evidence supporting Yuredol's use stems from short-term Randomized Controlled Trials (RCTs) that examined the combination of its NSAID and muscle relaxant components. These studies investigated the effects on acute musculoskeletal conditions and monitored patient outcomes related to pain intensity and muscle spasm severity.

Q: Are there any tests that must be done before starting Yuredol?

Assessment for contraindications is required due to the potential for serious side effects, which may include specific screening or testing. Official labeling advises that patients must be assessed for known conditions, such as pre-existing heart problems or severe hepatic (liver) impairment, before beginning treatment.

Q: Are there any demographic groups (e.g., by gender or ethnicity) that studies show respond differently to Yuredol?

Official documentation provides specific warnings and dosage adjustments for certain populations, such as older adults and patients with hepatic impairment. However, official labeling typically does not describe differences in response or effectiveness based on gender or ethnicity.

Q: Is Yuredol covered by a specific risk communication program?

If a medicine has a serious or complex safety profile, it may be subject to a special monitoring and communication program, such as a Risk Evaluation and Mitigation Strategy (REMS) in the U.S. or a Risk Management Plan in the E.U. Information regarding the current status of any specific risk programs is available in the official drug regulatory databases (e.g., FDA REMS).

Q: What does the package insert state about alcohol consumption while taking Yuredol?

Official labeling warns that the central nervous system depressant effects of Yuredol may be enhanced when used alongside alcohol. Patients are advised by regulatory documents to avoid co-administration to prevent increased drowsiness or dizziness.

Q: Are there warnings about taking Yuredol if a person has a mental health condition?

The official warning relates to the potential for Serotonin Syndrome, a serious condition, when Yuredol is co-administered with other serotonergic agents. This includes certain types of antidepressants and other medicines sometimes used to treat mental health conditions. Official documentation recommends that the health professional be informed of all medications being taken.

Q: How does the drug manufacturer describe the target population for Yuredol?

The official documentation indicates that Yuredol is intended for use in adult patients. Its purpose is the short-term relief of pain and spasm associated with acute, painful musculoskeletal conditions, which defines the general target population.

How should Yuredol be stored and disposed of?

How to Store and Dispose of Yuredol

Yuredol must be stored strictly according to the conditions defined in the official labeling to maintain its stability and effectiveness.


Storage Conditions and Requirements

Requirement Official Rule
Temperature Store at controlled room temperature, specifically 20 C to 25 C (68 F to 77 F).
Protection Keep the product away from moisture and do not freeze.
Container Keep in the original container and ensure the container remains tightly closed.
Child Safety Keep out of the reach of children.

Disposal Instructions

Unused, expired, or no longer needed Yuredol must be disposed of in accordance with local pharmaceutical waste regulations. Patients should follow official instructions for drug take-back programs or safe disposal in household trash, as specified by regulatory guidance.

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

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