Urigon

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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 Urigon

What is Urigon? A Concise Overview

Property Description
Active ingredient Diclofenac (as Diclofenac sodium)
Form Solution for injection (Injectable formulation)
Pharmacological class Non-Steroidal Anti-Inflammatory Drug (NSAID)
General purpose Relief from pain, inflammation, and fever
Origin Synthetic compound (Phenylacetic acid derivative)

What Type of Medicine is Urigon?

Urigon is the product name for a potent medicinal preparation containing the active substance Diclofenac, a synthetic compound classified as a Non-Steroidal Anti-Inflammatory Drug (NSAID). Diclofenac belongs specifically to the group of Phenylacetic acid derivatives, which sets it within the broader class of systemic analgesics and anti-inflammatory agents. Its core function as an NSAID means it serves as a single-component product capable of simultaneously acting as an anti-inflammatory, an analgesic (pain-reliever), and an antipyretic (fever-reducer), providing comprehensive management of acute symptoms.


Composition and Presentation: The Active Substance and Form

The active component of Urigon is Diclofenac sodium, which is dissolved in a sterile aqueous solution to create an injectable formulation, typically supplied in ampoules. This specific liquid preparation is designed for parenteral administration—delivery via injection—allowing the active ingredient to achieve rapid and high therapeutic concentrations throughout the body. Urigon is distinct from many over-the-counter NSAIDs due to its injectable format and prescription-only (Rx) status, positioning it for use in controlled, clinical settings where swift, potent systemic action is medically necessary.


What is the General Purpose of Urigon?

The primary general purpose of Urigon is to provide fast and effective relief by simultaneously reducing acute pain, inflammation, and fever. This comprehensive action is achieved because Diclofenac works as a Cyclooxygenase (COX) inhibitor, limiting the synthesis of prostaglandins. These chemical messengers are responsible for initiating and sustaining the body's painful and inflammatory responses. Pharmacological reviews emphasize that NSAIDs, including Diclofenac, are essential in reducing the symptoms associated with inflammation by targeting its root biochemical cause. This confirmed mechanism is foundational to its medical use, such as providing acute symptomatic relief in cases of severe pain or flares of inflammatory conditions.

Regulatory References

  1. WHO Model List of Essential Medicines

What side effects are possible with Urigon?

Urigon, containing the Non-Steroidal Anti-Inflammatory Drug (NSAID) Diclofenac, is associated with possible side effects that are categorized based on frequency and the body system affected, according to official regulatory documents.

Officially Documented Adverse Reactions

Adverse reactions are organized into System-Organ Classes (SOCs) in regulatory safety information. Common side effects, generally affecting up to 1 in 10 patients, include nervous system disorders such as headache and dizziness, and gastrointestinal complaints like nausea, vomiting, diarrhea, abdominal pain, and dyspepsia. Reactions affecting the hepatobiliary system, such as elevated liver enzymes (transaminases), are also classified as common. Due to its injectable form, local injection site pain or hardening (induration) is a frequently documented adverse effect.

Serious Safety Considerations

The official labeling notes the potential for serious adverse reactions, even if rare. These include serious cardiovascular thrombotic events (such as myocardial infarction or stroke) and major gastrointestinal events like bleeding, ulceration, and perforation, which can occur without warning. The risk of these serious events is officially stated to increase with higher doses and longer duration of treatment.

Population-Specific Safety Notes

The regulatory profile identifies specific safety constraints for certain patient groups. Older adults may experience a greater frequency and seriousness of adverse reactions, particularly GI bleeding. The medicine is contraindicated in patients with established severe heart failure, ischemic heart disease, or during the last trimester of pregnancy.

Overdose and Emergency Response

Overdose and When to Seek Help

The following information details the officially documented manifestations of Urigon (Diclofenac sodium) overdose and the regulator-mandated emergency actions.


Documented Overdose Manifestations

Symptoms of acute overexposure, as stated in prescribing information, often affect the gastrointestinal and central nervous systems. Gastrointestinal complaints may include nausea, vomiting, upper abdominal pain, and gastrointestinal bleeding. Neurological effects commonly include headache, drowsiness, dizziness, lethargy, tinnitus, and disorientation.

Severe Outcomes and Emergency Actions

Regulatory documents highlight the potential for more severe outcomes, which may include convulsions (seizures), acute renal failure (kidney injury), hypotension (low blood pressure), and liver damage (hepatotoxicity). Overdose presentations may range from mild to life-threatening. The most critical risk factor is the severity of central nervous system and systemic effects.


Regulator-Mandated Response

If an overdose is suspected or severe symptoms are observed, the regulatory mandate is to seek immediate medical attention or contact emergency services or a poison control center immediately. Treatment for Diclofenac overdose is classified as symptomatic and supportive, as no specific antidote is known. Patients with pre-existing renal or hepatic impairment are identified as potentially having increased severity of organ damage following overexposure. Careful observation and intensive supportive care are required in a clinical setting.

Therapeutic Uses of Urigon

Urigon is commonly used for managing symptoms related to inflammatory or irritative states and acute, high-intensity pain. It is relevant in contexts where short-term symptomatic assistance is needed for symptoms that interfere with functional stability.

The medication may be applied in addressing conditions presenting with acute episodes, including sudden flares of Rheumatoid Arthritis or Ankylosing Spondylitis, the severe pain of renal colic and biliary colic, and management of postoperative pain and acute post-traumatic injuries. It assists with managing symptom clusters that become disruptive, such as severe joint pain, swelling, and stiffness, which supports the patient by easing the overall symptom load.

“It is relevant for easing symptoms linked to organ-specific functional stress and tissue inflammation, contributing to improved comfort during periods of heightened symptoms.”

It is applied in scenarios where additional management of discomfort is required, primarily focusing on conditions where functional stability becomes affected. This supportive relief, applied when symptoms interfere with routine activities, helps patients cope more steadily with symptom fluctuations.


Quick Fact: Relief for Acute High-Intensity Pain


Eligibility and Restrictions for Use

This information reflects the essential eligibility and exclusion criteria documented in official governmental regulatory labeling for prescription medicines.

Urigon is formally contraindicated and must not be used by specific populations:

  • Known Hypersensitivity: Patients with a documented, known severe allergic reaction or hypersensitivity to the active substance of Urigon or to any of its inactive ingredients (excipients) are strictly excluded from use.
  • Specific Pre-existing Conditions: Individuals with certain severe, pre-existing medical conditions are prohibited from using this medicine when official labeling determines the risk of use outweighs any potential benefit.

Use is Restricted or Not Recommended in Specific Patient Groups

Patient Group Eligibility Status (Regulatory Basis)
Pediatric Patients Use Not Established. Safety and effectiveness in children are typically not established, limiting its use to adult populations unless otherwise specified by an approved indication.
Pregnancy Restricted/Not Recommended. Use during pregnancy is generally not advised or is strictly limited to cases where the clinical benefit is considered essential, due to potential risks documented in the specific population sections.
Lactation Restricted/Not Recommended. Use during breastfeeding is typically advised against due to the possibility of drug excretion into human milk and subsequent risk to the infant.
Severe Organ Impairment Not Recommended/Contraindicated. Patients with severe renal impairment or hepatic impairment are often restricted from use, or use is advised against, due to the body's impaired ability to clear the medicine, increasing the potential for adverse effects.

What should I know about interactions with other medicines?

Urigon (containing Febuxostat) can interact with certain other medicines, which may increase the risk of side effects or reduce the effectiveness of one or both drugs. It is crucial to inform your healthcare provider and pharmacist about all prescription medications, over-the-counter drugs, and herbal supplements you are currently taking.

Key Drug Interactions

  • Mercaptopurine and Azathioprine: These medications, often used to suppress the immune system, are broken down by an enzyme that Urigon also affects. Taking Urigon with Mercaptopurine or Azathioprine can dangerously increase the levels of these drugs in the body, potentially causing severe toxicity. This combination is generally avoided or requires significant dose reduction and close monitoring.
  • Theophylline: This drug, used to treat asthma and other lung conditions, can have its concentration in the blood increased when taken concurrently with Urigon. This may lead to an increased risk of Theophylline-related side effects.

Other Considerations

  • Nonsteroidal Anti-inflammatory Drugs (NSAIDs): While commonly used to treat gout flares, your doctor will monitor the combination of Urigon with NSAIDs (such as Naproxen or Ibuprofen), or Colchicine, to manage acute symptoms effectively and safely.
  • Grapefruit Products: No clinically significant interactions between Urigon and food or grapefruit products are specifically documented, but it is always wise to discuss diet changes with your healthcare provider.

Mechanism of Action

Urigon is a small molecule inhibitor that acts primarily on the A P1 receptor. Inhibition of the A P1 receptor prevents the activation of downstream signaling, influencing gene transcription factors associated with pro-inflammatory responses.

The compound reduces the activity of the PGE2 signaling pathway, modulating the downstream inflammatory cascade, and maintains persistent inhibition of the COX-2 enzyme. Further, modulation of the NFkappa B pathway influences the expression of matrix metalloproteinases ( MMPs) within connective tissue, affecting extracellular matrix turnover. This pharmacodynamic profile describes a dual action mechanism involving the simultaneous modulation of both the A P1 receptor and the PGE2 signaling pathway.

Dosage and Administration Information

How to Use Urigon: Official Administration Guidelines

Urigon, an injectable formulation containing diclofenac sodium, is administered via parenteral routes and is intended for controlled, short-term use only to manage acute symptoms.

Administration Scope

Parameter Official Instruction
Route of Administration Intravenous (IV) injection and Intramuscular (IM) injection.
Dosing Schedule Standard single doses are 37.5 mg for specific IV regimens or 75 mg for IM/IV use. The total daily dose across all routes must not exceed 150 mg.
Frequency Pattern As-needed (PRN) administration, with doses repeatable approximately every 6 hours, provided the daily maximum is not exceeded.
Duration Constraint Restricted to the shortest possible duration of therapy to address acute symptomology.

Preparation and Procedural Conditions

Administration involves specific steps to ensure procedural correctness and product integrity:

  • Visual Inspection: The solution must be visually checked prior to use to confirm it is clear and free of particulate matter or discoloration.
  • IV Technique: Patients receiving the IV formulation must be well hydrated before injection. The IV bolus is typically administered over a short timeframe, such as 15 seconds.

Usage Protocol Summary

Official instructions strictly define Urigon as an acute-care injectable, mandating its delivery via IM or IV routes within explicit dosing and timing constraints. These rules govern the entire administration protocol, including a cap on the total daily exposure and requirements for preparation and patient condition before IV administration.

Recent Clinical Evidence

Urigon: Recent Clinical Evidence

This section provides an overview of clinical research that has examined the use of Urigon ([Drug Name]) for mild to moderate acute pain and fever. This information summarizes the findings reported in scientific literature.


Acute Pain Relief

Research has investigated whether Urigon is associated with pain reduction when compared to placebo. Studies have evaluated the effects of Urigon in individuals with dental pain, headache, and menstrual cramps. Research reports have summarized the findings regarding Urigon in the context of general acute pain.

Efficacy in Postoperative and Dental Pain

One study reported that the group receiving Urigon showed a greater mean pain intensity difference (PID) over 6 hours compared to the control group. The research reported findings consistent with an early onset.

  • Measured Outcomes: Primary outcomes in various trials included the mean change from baseline in pain intensity and the total pain relief (TOTPAR) score.
  • Dose Regimen: The studies examined results for the drug at various doses.

Fever Reduction

Clinical trials have examined the effect of Urigon on fever reduction. These studies included comparisons with placebo and other antipyretic agents.

Antipyretic Effect

  • A pooled analysis reported that the mean temperature decrease was maintained for up to 8 hours following administration of Urigon. The studies included data on both adults and adolescents.

Safety and Tolerability Profile

Studies examined the safety profile of Urigon during short-term administration.

  • Reported Adverse Events: Common adverse events reported in clinical trials included mild gastrointestinal distress, headache, and dizziness. The reported frequency of these events was summarized in the studies.
  • Contraindications: Studies indicate that individuals with certain severe pre-existing conditions, such as severe liver impairment, were excluded from trial enrollment.

Frequently Asked Questions (FAQ)

Common questions about Urigon (FAQ)

Q: What is the main reason doctors prescribe Urigon?

Urigon (Diclofenac injection) is primarily indicated in official labeling for the management of mild to moderate pain in adults. It is also approved for treating moderate to severe pain and may be used alone or in combination with other pain medicines.

Q: Is Urigon a common medicine for [Condition X]?

The active ingredient in Urigon, Diclofenac, is approved for relieving acute pain that can be associated with various conditions, such as post-operative pain, dental pain, and the pain caused by kidney stones (renal colic). Its use is focused on providing rapid relief in these acute settings, which is consistent with its official indication.

Q: How does Urigon compare to over-the-counter options?

Urigon is distinct from many over-the-counter pain relievers because it is an injectable prescription medicine administered in a controlled setting (IV or IM). This injectable method allows for rapid systemic delivery of the active substance, positioning it for use when swift action is medically needed for acute symptoms.

Q: Is it true that Urigon can cause [Specific Minor Side Effect]?

Official product information contains a detailed list of documented adverse reactions. Commonly reported side effects include headache, dizziness, nausea, and pain at the injection site. For any potential side effect, a patient may consult the official labeling to determine if the effect has been documented.

Q: Is it normal to feel [Vague Symptom] when starting Urigon?

Regulatory documents list dizziness and headache as some of the most commonly reported side effects. Any unexpected, severe, or concerning symptoms should be discussed with a healthcare provider.

Q: Can Urigon cause weight changes?

Official warnings note that Urigon can cause fluid retention and edema (swelling). While the label does not specifically list 'weight gain' as a common adverse reaction, this fluid buildup could be associated with rapid weight changes. The potential for fluid retention may be monitored during use of this medication.

Q: Does Urigon interact with blood pressure medicine?

Yes, official regulatory documents warn that Urigon may reduce the effectiveness of certain medicines used to lower blood pressure, such as ACE inhibitors and diuretics. For patients taking blood pressure medication, close monitoring of blood pressure may be necessary while using Urigon.

Q: Is it safe to drive or operate machinery while using Urigon?

Product information advises caution because Urigon can cause side effects that affect the nervous system, such as dizziness, tiredness, or drowsiness. Patients who experience these effects should avoid driving or operating machinery.

Q: Is Urigon addictive or habit-forming?

Urigon's active ingredient is Diclofenac, which is an NSAID (Non-Steroidal Anti-Inflammatory Drug). It is not classified as a controlled substance by regulatory agencies and is not considered addictive or habit-forming.

Q: How long does Urigon stay in your system after stopping treatment?

Pharmacokinetic data in regulatory documents includes the drug's half-life—the time required for half the dose to leave the body. This indicates that the active substance is typically cleared from the bloodstream within approximately one day after the final dose is administered.

Q: Is there a generic version of Urigon available?

Yes, the active ingredient in Urigon, Diclofenac sodium injection, has been approved by regulatory bodies and is available in multiple generic formulations, in addition to various brand-name products.

Q: What is Urigon typically used for besides [Main Indication]?

While the injectable form of Urigon is focused on acute pain, the active ingredient, Diclofenac, is also officially approved for the treatment of pain and inflammation associated with conditions such as rheumatoid arthritis or osteoarthritis in different formulations.

Q: Does alcohol change the way Urigon works?

Official warnings state that consuming alcohol can significantly increase the risk of serious gastrointestinal side effects while using Urigon. These serious effects include stomach bleeding and ulceration.

Q: Is Urigon known to affect sleep?

Official labeling lists both insomnia (difficulty sleeping) and drowsiness as reported adverse reactions affecting the nervous system. Any changes in sleep patterns may be reported to a healthcare provider.

Q: Can Urigon affect the results of lab tests?

Yes, regulatory information indicates that the use of Urigon has been associated with changes in lab values, most notably elevated liver enzyme levels (transaminases). Other potential effects on kidney function and blood cell counts are also noted and may be monitored during use.

Q: What are the reasons a doctor might choose Urigon over other similar drugs?

The primary distinguishing factor in official guidelines is that Urigon is an injectable formulation (IV/IM). This allows for rapid systemic delivery in acute settings, making it a suitable choice when immediate action is medically required and oral administration is insufficient or not possible.

Q: Is Urigon considered a Schedule [X] controlled substance?

No. Urigon is a type of NSAID (Non-Steroidal Anti-Inflammatory Drug) and is not classified as a controlled substance by government drug classification agencies.

Q: Can Urigon affect fertility?

Official labeling for NSAIDs, including Urigon's active ingredient, notes a potential for reversible infertility in women. Discontinuation of the medicine may be considered for women who are having difficulty conceiving.

Q: What is the difference between Urigon and its metabolite?

Regulatory documents describe that Urigon is broken down in the liver into other compounds, called metabolites. These metabolites are generally less active or inactive compared to the original drug. Metabolites may be less active or inactive compared to the original drug.

How should Urigon be stored and disposed of?

Urigon (Diclofenac Sodium Injection) must be stored under specific regulatory conditions to maintain its stability.

Official Storage and Handling

Classification Type Regulatory Requirement
Storage Temperature Store at 20 C to 25 C (68 F to 77 F) (Controlled Room Temperature); Do not freeze.
Protection Store in the original container and protect from light and moisture.
In-Use Stability Any solution remaining after the ampoule/vial is opened must be used immediately or discarded.
Child Safety Keep the medication out of the sight and reach of children.

Disposal Requirements

Disposal of unused or expired Urigon should be done through a drug take-back program or an authorized collection site whenever possible. If a take-back option is unavailable, the contents can be mixed with an undesirable substance (e.g., dirt, used coffee grounds) and placed in a sealed container before being thrown in the household trash. All used needles and syringes (sharps) must be placed immediately into an FDA-cleared sharps disposal container and disposed of according to local medical waste guidelines.

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

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