Diclobene uno

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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 Diclobene uno

Diclobene uno is a prescription-only medicinal product containing the active substance Diclofenac sodium, intended for systemic use to provide anti-inflammatory and pain-relieving effects throughout the body.


Quick Facts

Property Description
Active ingredient Diclofenac sodium
Form Prolonged-release (retard) tablet
Pharmacological class Non-steroidal Anti-inflammatory Drug (NSAID)
Common use Relief of pain and inflammation
Origin Synthetic Phenylacetic acid derivative

What Type of Medicine is Diclobene uno?

Diclobene uno is classified as a systemic medicinal product within the Non-steroidal Anti-inflammatory Drug (NSAID) class. The core chemical component, Diclofenac, is a synthetic phenylacetic acid derivative taken orally. This classification is clinically recognized for its efficacy in targeting inflammatory pathways. Accordingly, the medicine's primary role is to ease discomfort linked to inflammatory processes.

The drug's single-component nature and its classification define its general utility: to intervene in the body's processes that cause swelling and pain.


Diclobene uno: A Prolonged-Release Tablet

The specific dosage form of Diclobene uno is a prolonged-release (retard) tablet. This distinctive design is engineered to release the active substance, Diclofenac, slowly and consistently. The formulation ensures that the active drug is delivered over an extended period, which is a key differentiating feature from immediate-release Diclofenac versions.

Diclofenac achieves its effect by inhibiting the enzymes that produce prostaglandins—the chemical messengers responsible for signaling inflammation and pain. This action means the medicine works directly at the source to diminish the body's inflammatory response and associated pain sensitization.


General Purpose: Relief of Inflammation and Pain

The general purpose of Diclobene uno is to provide effective, sustained relief from the symptoms of pain, inflammation, and accompanying fever. The prolonged-release mechanism makes it particularly suitable for managing conditions where continuous, systemic relief is needed, such as chronic joint discomfort. By reducing the amount of chemical messengers that trigger these symptoms, the medicine offers a systemic anti-inflammatory and analgesic (pain-relieving) effect, which is the primary utility derived from its pharmacological class.

Regulatory References

  1. NIH/MedlinePlus Drug Information

What side effects are possible with Diclobene uno?

Possible Side Effects and Safety Information

The safety profile for Diclobene uno (Diclofenac sodium) is consistent with the established characteristics of the Non-steroidal Anti-inflammatory Drug (NSAID) class and is structured according to regulatory classifications. Adverse reactions are grouped by affected body system and categorized by official frequency.


Frequency-Classified Adverse Reactions

Common effects listed in regulatory documents include headache, dizziness, and gastrointestinal disorders such as nausea, vomiting, diarrhea, indigestion (dyspepsia), and abdominal pain. A rise in liver enzyme values is also frequently noted. Rare effects include gastrointestinal bleeding, ulceration, or perforation, as well as hepatitis and serious hypersensitivity reactions.


Serious Documented Safety Risks

Government health authorities highlight critical safety constraints. The use of systemic Diclofenac is associated with an increased risk of arterial thrombotic events, which include myocardial infarction (heart attack) and stroke, particularly at higher doses and in long-term treatment. Serious gastrointestinal adverse events, including potentially fatal bleeding, can occur at any time during treatment.

Very rare but severe skin reactions, such as Stevens-Johnson syndrome (SJS) and Toxic Epidermal Necrolysis (TEN), are also documented, with the highest risk noted early in the course of therapy.


Population and Duration Considerations

The risk of serious adverse reactions, especially gastrointestinal bleeding, is generally higher in older adults. The medicine is formally contraindicated in patients with established congestive heart failure (NYHA Class II-IV), ischemic heart disease, or severe renal or hepatic impairment. Furthermore, Diclofenac may mask the signs and symptoms of infection due to its pharmacological effects.

Overdose and Emergency Response

Overdose and when to seek help

Overdose of Diclobene uno (Diclofenac sodium) may present with documented signs that fall within two main clusters: Gastrointestinal and Central Nervous System (CNS) effects. Common manifestations listed in regulatory documents include nausea, vomiting, abdominal pain, diarrhea, dizziness, drowsiness, and headache. More severe, life-threatening outcomes can include seizures, coma, and respiratory depression. Acute intoxication also carries the risk of serious organ damage, such as Acute Kidney Injury (marked by little or no urine output) and severe internal gastrointestinal bleeding, especially in patients with pre-existing renal or hepatic impairment.

Immediate medical attention is required for any suspected overdose. The official regulatory guidance mandates contacting emergency medical services or a Poison Control Center immediately.

Management & Antidote

Classification Official Regulatory Statement
Antidote Status No specific antidote is known.
Management Principle Treatment is symptomatic and supportive.

Management procedures, as described in official documents, may include measures to reduce absorption, such as the administration of activated charcoal, and continuous Hospital monitoring to observe vital signs and cardiac, renal, and hepatic function.

Therapeutic Uses of Diclobene uno

Main Uses of Diclobene uno

Diclobene uno is a medication containing diclofenac sodium, which belongs to the class of non-steroidal anti-inflammatory drugs (NSAIDs). It is primarily used to manage symptoms associated with inflammatory and degenerative conditions of the musculoskeletal system.

The medication is indicated for the treatment of:

  • Chronic Arthritis: Long-term management of inflammatory joint diseases, including rheumatoid arthritis.
  • Osteoarthritis: Treatment of degenerative joint conditions, particularly those affecting the large joints or the vertebral column.
  • Ankylosing Spondylitis: Relief of symptoms related to chronic inflammatory disease of the spine.
  • Soft Tissue Rheumatism: Management of non-articular rheumatic conditions affecting muscles, tendons, and ligaments.
  • Post-Traumatic Swelling: Treatment of painful swelling or inflammation resulting from injuries or surgical procedures.

Therapeutic Benefits

The active substance in Diclobene uno works by inhibiting the synthesis of prostaglandins, which are natural substances in the body that mediate pain and inflammation. By addressing these underlying processes, the medication provides several clinical benefits:

Pain Relief

Diclobene uno is effective in reducing various types of pain, including pain at rest and pain during movement. This analgesic effect is particularly beneficial for individuals dealing with chronic joint or spinal discomfort.

Reduction of Inflammation and Swelling

By reducing inflammatory responses, the medication helps decrease swelling in the joints and soft tissues. This can lead to improved physical comfort and reduced localized heat or redness in the affected areas.

Improvement of Physical Function

Relief from pain and stiffness often results in improved mobility. In patients with chronic inflammatory conditions, this can manifest as a reduction in morning stiffness and an increased range of motion in the affected joints, supporting better engagement in daily physical activities.

Regulatory References

  1. NIH MedlinePlus Drug Information

Eligibility and Restrictions for Use

Who can and cannot use Diclobene uno?

The official eligibility for Diclobene uno (Diclofenac sodium prolonged-release) is strictly defined by regulatory guidelines, focusing on pre-existing conditions and population demographics.

Populations for Whom Use is Contraindicated

Use is prohibited for individuals with established severe heart failure (NYHA Class II–IV), ischaemic heart disease, or cerebrovascular disease. The medicine is also contraindicated in patients with active gastrointestinal ulceration, bleeding, or perforation, and in the setting of Coronary Artery Bypass Graft (CABG) surgery.

Absolute contraindications also include known hypersensitivity to diclofenac or a history of asthma/allergic reactions after taking aspirin or other NSAIDs.

Age and Condition-Based Restrictions

Population/Condition Eligibility Status (Regulatory Basis)
Children/Adolescents Not suitable (Due to prolonged-release dosage strength).
Last Trimester of Pregnancy Contraindicated (Starting at 30 weeks gestation).
Severe Organ Failure Contraindicated (Severe renal or hepatic failure).
Elderly Patients Use with particular caution (Increased risk of adverse events).
CV Risk Factors (e.g., Hypertension) Requires careful consideration before treatment.

This structure ensures the medicine is only used by populations consistent with the strict safety profile detailed in regulatory documentation.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section outlines the officially documented interactions for Diclobene uno, focusing on combinations that may alter the drug's concentration or effectiveness based on regulatory guidance.


Pharmacokinetic Interaction Domains

The primary structure of the drug's interaction profile is determined by its metabolism and elimination pathways. Official regulatory documents identify the following key interaction domains that require constraints or specific requirements for co-administration:

  • Interactions with Metabolic Enzyme Inhibitors: Co-administration with substances that inhibit metabolic enzymes, such as CYP2C9 inhibitors (e.g., fluconazole), can increase the concentration of the active substance in the body.
  • Interactions with Metabolic Enzyme Inducers: Co-administration with substances that induce metabolic enzymes, such as CYP2C9 inducers (e.g., rifampicin), can decrease the concentration of the active substance in the body, potentially reducing its effect.
  • Interactions with Specific Non-Drug Products: This includes products like food, where official labeling indicates that taking the drug simultaneously with food may lead to a reduction in its effectiveness compared to taking it on an empty stomach.

Regulatory-Based Constraints

Official labeling classifies interactions into categories such as Combinations Not Recommended or Combinations to be Used with Caution. These classifications require healthcare providers to implement specific actions, which may include avoiding the combination altogether or making necessary adjustments based on the severity of the predicted pharmacokinetic alteration. The regulatory basis for these requirements stems from the assessment of the drug's status as a substrate for specific metabolic enzymes and transport proteins.

Mechanism of Action

Targeting the Cyclooxygenase (COX) Enzymes

The fundamental action of Diclobene uno's active substance, Diclofenac, is the reversible inhibition of Cyclooxygenase (COX) enzymes (specifically COX-1 and COX-2). By binding to these enzymes, the drug modulates the critical initial step in the cascade that metabolizes arachidonic acid into prostanoid mediators.

Modulating Prostaglandin-Driven Signaling

This enzyme blockade rapidly results in a significant reduction in the synthesis of prostaglandins, particularly mathbfPGE2. These are mediators that influence nociceptor sensitivity and vascular dynamics at the tissue level. The mechanism limits the quantity of PGE2 available to interact with peripheral receptors, thereby influencing the overall level of afferent signal transmission.

️ Central and Peripheral Physiological Adjustment

The drug's activity affects multiple systems, acting both peripherally, by modulating prostanoid synthesis at sites of heightened biological activity, and centrally. Centrally, the mechanism involves influencing the brain's PGE2-dependent thermoregulatory set-point in the hypothalamus. This combined central and peripheral action influences the dynamics of PGE2-dependent pathways across multiple systems.

Dosage and Administration Information

How to Use Diclobene uno

This section describes the administration and dosing parameters for Diclobene uno (Diclofenac sodium prolonged-release 100 mg).


Administration Scope

Feature Instruction
Route of Administration Oral use (by mouth).
Dosing Schedule The usual daily dose is 100 mg. The maximum recommended total daily dose of diclofenac sodium is 150 mg (when supplementing the prolonged-release form with immediate-release forms).
Timing in relation to meals May be taken with or after food to enhance tolerability, or preferably before meals with liquid.
Preparation Requirements The prolonged-release tablet must be swallowed whole. It is not to be chewed, crushed, or divided to preserve the sustained-release mechanism.
Age-group administration rules The 100 mg prolonged-release strength is not suitable for children. Older adults should generally use the lowest effective dosage.
Missed-dose rules If a dose is missed, it should be skipped, and the next scheduled dose should be taken at the usual time; do not double the dose.
Special procedural conditions Use the lowest effective dose for the shortest duration necessary. Treatment necessity must be periodically re-evaluated.

Instruction Classifications (High-Level)

Classification Detail
Administration method type Oral
Frequency pattern Once daily (q.d.) is standard for the prolonged-release form.
Standardized parameters Governed by established pharmacological and clinical standards.
Use-context constraints Must be used only as a prolonged-release dosage form; the total daily intake must not exceed 150 mg.

Connection to the Overall Use Protocol

The protocol for the oral use of Diclobene uno is centered on its once-daily, prolonged-release mechanism. This requires that the tablet be ingested intact to maintain its intended therapeutic effect and follows specific limits on the total daily dose. These parameters define the appropriate method for administering this medication, with the primary objective being the use of the lowest effective dose for the shortest required period.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Diclobene uno


Evidence for Use in Chronic Joint Conditions

Research for this medicine primarily uses Randomized Controlled Trials (RCTs) and Meta-analyses to explore changes in symptoms for conditions like Rheumatoid Arthritis and Osteoarthritis. Studies have focused on examining patient-reported outcomes describing perceived discomfort and functional imbalance in adult populations, including older adults. These studies monitored short-term measurements, typically over a few weeks to months, using standardized tools to track outcomes reflecting daily functioning and physical discomfort.

While this evidence contributes to understanding symptom patterns, studies generally evaluate only outcomes related to physical discomfort and not underlying changes in the chronic disease itself. Comparative research specifically on the prolonged-release formulation versus other immediate-release forms for long-term follow-up remains limited.


Evidence in Ankylosing Spondylitis Research

Controlled clinical trials and extended follow-up studies have been conducted for Ankylosing Spondylitis. Research explored outcomes capturing phases of heightened symptom activity, such as disease activity scores and measurements of spinal stiffness. Some longer studies monitored disease characteristics over multiple years, describing patterns of change measured during the study period.

Findings were mixed when exploring whether long-term use of this class of medicine was associated with changes in disease progression (like radiographic changes) compared to using the medicine only when needed. Certainty remains low regarding the impact on long-term structural outcomes.


Long-Term Research and Follow-up Duration

Observational studies track long-term exposure patterns and how symptoms changed in patients under non-trial conditions. These efforts aim to observe patterns of symptomatic change over many months or years. However, the follow-up durations were limited in the most controlled original trials, and evidence is limited on the durability of symptomatic changes. Long-term effects are not fully established through the same rigorous methods used in short-term studies.


Evidence in Specific Patient Groups

The medicine was evaluated in specific groups, with study populations for chronic joint conditions generally including older adults. However, the data for certain groups remain insufficient. For instance, there is limited information for long-term outcomes specifically in older adults, and evidence for using this medicine in children or adolescents is limited in comparison to the adult population data. The results apply only to the populations studied.


Research Gaps and Areas of Uncertainty

A primary limitation is that research remains focused on outcomes related to physical discomfort and does not explore long-term outcomes related to modifying the underlying disease progression. Comparative evidence remains limited for the long-term use of the prolonged-release formulation, and subgroup findings are uncertain for specific populations. Research provides context but not individual predictions, describing group patterns, not personal outcomes.

Key Studies & References

  1. Diclofenac: MedlinePlus Drug Information (FDA/NIH Source for Indications and Safety Warnings)
  2. Efficacy and safety of over-the-counter analgesics for primary dysmenorrhea - A network meta-analysis

Frequently Asked Questions (FAQ)

Common questions about Diclobene uno (FAQ)

Q: What is Diclobene uno used for?

The tablet should be swallowed whole with a glass of water, preferably during a meal. Do not crush or chew the tablet. Follow the exact instructions provided by your doctor or pharmacist. It is important to use the lowest effective dose for the shortest possible duration necessary to control symptoms.

Q: How should I take Diclobene uno?

Diclobene uno contains diclofenac, which belongs to a group of medicines called Non-Steroidal Anti-Inflammatory Drugs (NSAIDs). It is primarily used for the short-term treatment of acute pain and to reduce inflammation. This medication is typically prescribed for conditions such as painful joint and muscle disorders, painful swelling, and certain types of joint disease.

Q: What should I do if I forget a dose?

If you miss a dose, do not take a double dose to make up for the forgotten tablet. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. If you are unsure, consult your doctor or pharmacist for advice.

How should Diclobene uno be stored and disposed of?

Storage and Disposal of Diclobene Uno

Diclobene Uno (diclofenac sodium prolonged-release tablets) must be stored in compliance with regulatory labeling to maintain its effectiveness.

Storage Requirements

Condition Regulatory Requirement
Temperature Do not store above 25°C (77°F).
Protection Protect from moisture; keep in the original container.
Safety Keep out of the sight and reach of children.

Disposal Instructions

Unused or expired tablets should be disposed of using official drug take-back programs. If a take-back program is unavailable, disposal in household trash is permitted only after mixing the medicine with an unappealing substance (like dirt or coffee grounds) and sealing it in a container. Do not flush Diclobene Uno down the toilet or pour it down a drain.

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

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