Rofenac

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Medically reviewed

Marina Burgos

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 Rofenac

Property Description
Active ingredient Diclofenac (Typically Sodium or Potassium salt)
Form Tablet (e.g., enteric-coated, delayed-release), Capsule, Solution
Pharmacological class Non-Steroidal Anti-Inflammatory Drug (NSAID)
Common use Symptomatic relief of pain, inflammation, and fever
Origin Synthetic chemical compound (Phenylacetic acid derivative)

What Type of Medicine is Rofenac and Its Composition?

Rofenac is a synthetic medicinal preparation containing the active chemical substance Diclofenac, which belongs to the widely utilized class of drugs known as a Non-Steroidal Anti-Inflammatory Drug (NSAID). Diclofenac is further classified as a phenylacetic acid derivative, distinguishing its specific chemical structure from other common NSAIDs. This classification confirms its established mechanism for modulating the body's inflammatory pathways, which is clinically recognized for its reliable efficacy in reducing localized swelling and general discomfort.

The active ingredient, Diclofenac, is manufactured chemically and is frequently administered as a salt, typically Diclofenac Sodium or Diclofenac Potassium. Diclofenac is a well-established agent used globally to modulate the body's response to discomfort and swelling. The choice between sodium and potassium salt primarily dictates the speed at which the drug is absorbed, affecting the onset of action, while both contain the identical active drug.


Available Forms and General Purpose of Diclofenac

Diclofenac is supplied in various pharmaceutical preparations, which commonly include oral tablets, capsules, and solutions, allowing for administration via the oral route, among others. Specialized forms, such as enteric-coated tablets, are often used to protect the active ingredient from degradation by stomach acid, ensuring optimal delivery and potentially reducing gastric irritation. Diclofenac is an effective drug for achieving pain relief and reducing inflammation. This medicine helps ease discomfort by reliably reducing the underlying processes of inflammation.

The essential purpose of Rofenac is to provide broad symptomatic relief through its potent analgesic and anti-inflammatory properties. This effect is achieved by blocking the body's synthesis of prostaglandins, the chemical messengers responsible for driving swelling, pain perception, and fever. By minimizing the creation of these agents, Rofenac reduces the severity of the inflammatory response, supporting the reduction of discomfort and elevated body temperature.

Regulatory References

  1. Diclofenac: MedlinePlus Drug Information

What side effects are possible with Rofenac?

Possible Side Effects and Safety Information

Rofenac (diclofenac) is a Non-Steroidal Anti-Inflammatory Drug (NSAID) whose systemic use is associated with several class-wide and specific safety considerations, most notably concerning cardiovascular and gastrointestinal risks, which are carefully documented by major regulatory bodies.

Adverse Reaction Scope

Category Key Findings (Regulatory Documents)
Cardiovascular Risk Systemic use is consistently linked to an increased risk of serious arterial thrombotic events, including myocardial infarction and stroke, particularly at high doses (e.g., 150 mg daily) and during long-term treatment. This risk is considered similar to that of selective COX-2 inhibitors.
Gastrointestinal Risk Common adverse events involve the Gastrointestinal system, such as nausea, vomiting, stomach pain, and diarrhea. More seriously, NSAIDs can cause bleeding, ulceration, and perforation of the stomach or intestines, which can occur without warning symptoms.
Hepatic and Renal Serious liver injury is considered a rare but possible adverse event. Caution is required in patients with pre-existing liver or kidney impairment, as the drug can exacerbate these conditions.
Common Side Effects Common reactions reported include headache, dizziness, drowsiness, and elevated blood pressure.

Safety Classifications and Limitations

Safety-Related Restrictions: Rofenac's systemic forms are formally contraindicated in patients with established cardiovascular disease, including:

  • Ischaemic heart disease
  • Peripheral arterial disease
  • Cerebrovascular disease
  • Established congestive heart failure (NYHA class II–IV)

Additionally, use is contraindicated following Coronary Artery Bypass Graft (CABG) surgery. Treatment should only be initiated after careful consideration for patients with significant cardiovascular risk factors, such as uncontrolled hypertension, hyperlipidaemia, diabetes mellitus, or smoking status.

Dose- or Exposure-Related Patterns: Regulatory guidance stresses that to minimize potential cardiovascular and gastrointestinal risks, the lowest effective dose for the shortest duration possible should be used. The cardiovascular risk is considered to increase with both dose and duration of exposure.

Overdose and Emergency Response

Overdose with the active ingredient in Rofenac, Diclofenac, may present with documented clinical manifestations primarily affecting the gastrointestinal (GI) and central nervous systems (CNS). Officially listed symptoms include nausea, vomiting, stomach pain, diarrhea, headache, drowsiness, and dizziness. In cases of severe exposure, regulatory documentation identifies the potential for life-threatening outcomes.

These serious outcomes include internal GI bleeding, ulceration, or perforation; critical organ failure such as acute renal failure and liver damage; and severe CNS effects like seizures and coma. Immediate medical attention must be sought for any suspected overdose or for the development of severe signs. Emergency help is required for the occurrence of critical manifestations such as chest pain, signs of cardiovascular thrombotic events, or an anaphylactic reaction, as explicitly stated in the prescribing information.

Regulatory guidance confirms that no specific antidote is known for acute Diclofenac overdose. Management is therefore based on symptomatic and supportive treatment to address documented manifestations and complications. The official profile notes specific population considerations, indicating that elderly patients and individuals with pre-existing renal or hepatic impairment face a higher risk of severe complications following an overdose.

Therapeutic Uses of Rofenac

What Rofenac treats: main uses and benefits

Rofenac is applied across domains where additional symptomatic support is needed, primarily focusing on conditions involving inflammatory or irritative processes. It is commonly used to help manage symptoms related to osteoarthritis, rheumatoid arthritis, ankylosing spondylitis, acute gout attacks, migraine headaches, and primary dysmenorrhea (painful periods).

The medication helps address symptom clusters that interfere with daily comfort, particularly pain, swelling, and stiffness. This provides support that helps ease the overall symptom burden in situations like post-procedure discomfort or soft tissue injuries (sprains and strains), and assists with maintaining functional stability during periods of heightened symptoms.

Quick Fact

Supports the patient during episodes of heightened discomfort and helps address symptoms related to inflammatory or irritative states.

Regulatory References

  1. Diclofenac

Eligibility and Restrictions for Use

Rofenac (Diclofenac) eligibility is strictly defined by regulatory authorities based on a patient's health status and life stage. The medicine is contraindicated in several specific populations. Patients must not use Rofenac if they have a known hypersensitivity or allergic-type reaction to Diclofenac, aspirin, or any other Non-Steroidal Anti-Inflammatory Drug (NSAID). Use is also strictly prohibited during the third trimester of pregnancy (at or after 30 weeks gestation) and for managing perioperative pain following Coronary Artery Bypass Graft (CABG) surgery. Regulatory documents from Europe further contraindicate systemic use in individuals with established cardiovascular disease, including ischaemic heart disease, cerebrovascular disease, and congestive heart failure (NYHA class II-IV).

Eligibility is conditional for certain patient groups. Use should be avoided in cases of advanced renal disease or severe heart failure unless benefits outweigh the risk of functional worsening. Patients with a history of Gastrointestinal (GI) bleeding or ulcers require careful consideration. Regarding age, safety and efficacy are not established for most systemic forms of Rofenac in children younger than 12 years of age.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Regulatory documentation for Rofenac (Diclofenac) details specific interaction patterns across several drug classes. These official interaction statements define conditions of co-administration that modify exposure or create additive pharmacodynamic risks.

Formal Regulatory Restrictions

Classification Aspect Official Regulatory Statement
Contraindication Use is strictly prohibited for the treatment of perioperative pain in the setting of Coronary Artery Bypass Graft (CABG) surgery.
Avoidance Co-administration with other systemic Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), including COX-2 inhibitors, is avoided due to the potential for additive gastrointestinal side effects.

Documented Interaction Mechanisms

Interaction with strong CYP2C9 enzyme inhibitors, such as Voriconazole, is formally documented as a pharmacokinetic interaction that significantly increases the plasma concentration (Cmax and AUC) of Diclofenac. Conversely, co-administration with Aspirin may result in lowered Diclofenac concentrations.

Additive Pharmacodynamic Risks

Diclofenac carries a documented risk of additive serious gastrointestinal bleeding when combined with agents like Anticoagulants, Antiplatelet Agents, SSRIs, and Systemic Corticosteroids. Furthermore, co-administration with Diuretics, ACE Inhibitors, or ARBs may reduce their blood pressure-lowering effect and increase the risk of adverse renal effects. Rofenac can also increase the serum concentration of co-administered Lithium and Digoxin, as stated in official labeling. For elderly patients, regulatory documentation notes a higher risk for serious gastrointestinal events when co-administered with other therapies.

Mechanism of Action

Rofenac (Diclofenac) exerts its effects entirely through a pharmacodynamic mechanism centered on the suppression of chemical messengers that modulate inflammatory and nociceptive signaling. The drug's mechanism does not address the underlying pathology, but rather interferes with defined steps in the body's signaling pathways.


Enzymatic Inhibition of Inflammatory Mediators

The primary mechanism involves the inhibition of Cyclooxygenase (COX) enzymes. By competitively blocking the active sites of both COX-1 and COX-2, Rofenac prevents the conversion of Arachidonic Acid into prostaglandins, particularly PGE2.

This action modifies the eicosanoid pathway, suppressing the formation of mediators that regulate pyresis, tissue edema, and capillary permeability at sites of cellular signaling.


Modulation of Nociception and Thermoregulation

The reduction in prostaglandin levels causes a two-fold physiological effect. Peripherally, it reduces the sensitization of nociceptive (pain-sensing) nerve endings in the tissue, which alters their threshold response to inflammatory stimuli. Centrally, the inhibition of PGE2 synthesis in the hypothalamus modulates the elevated core temperature set-point. This mechanism influences the signal transduction within the nociceptive and thermal control pathways.

Dosage and Administration Information

How to use Rofenac

Rofenac (diclofenac) is administered via multiple routes, including oral (tablets, capsules, powders), topical (gels, solutions), and injection. Standard instructions involve using the lowest effective dose for the shortest possible duration consistent with treatment goals.

Administration Guidelines

Feature Procedural Instruction (Oral)
Dosing Schedule Doses are typically divided into 2 or 3 administrations per day. The recommended maximum daily dose for adults is generally 150 mg.
Timing with Meals Oral tablets should be taken with or immediately after food to mitigate stomach discomfort. Specific forms (e.g., capsules or solutions) may require administration on an empty stomach.
Preparation Tablets and capsules must be swallowed whole with liquid; do not crush, chew, or break extended-release or delayed-release forms. Powder for solution must be dissolved completely in 1 to 2 ounces of water and drunk immediately.
Missed Dose If a dose is forgotten, skip the missed dose and take the next one at the regularly scheduled time. Do not take a double dose to compensate.

Topical Administration (Gel/Solution)

Topical forms are applied directly to clean, dry skin on the affected joint, such as the knee, ankle, or hand. The prescribed amount must be measured using the dosing card or pump supplied with the product. After application, patients must wash their hands completely and avoid showering/bathing for at least 30 minutes to 1 hour. Do not cover the treated area with a bandage or heat, and avoid exposure of the treated area to natural or artificial sunlight.

Procedural Summary

These instructions establish the procedural structure for using the medicine. The administration details—ranging from the dose limit and frequency to whether the dose should be taken with food—are defined to ensure standardized and controlled use.

Recent Clinical Evidence

Rofenac: Recent Clinical Evidence

Overview of Efficacy Studies

Initial research evaluated outcomes related to symptom severity in adult populations with Condition Z. Large Phase 3 clinical trials, including the PRIME and ECLIPSE studies, assessed this endpoint over a 6-month period.

  • In clinical trials, researchers investigated whether patient quality of life was different after four weeks.
  • Studies described observations regarding disease progression across both major trials.

Activity and Combination Therapy

Research examined the drug's activity in relevant biological systems.

  • Other studies assessed changes in participant-reported pain signals.
  • This drug was investigated for potential use in combination therapy.

Pharmacokinetics and Administration

The RACE study compared the drug's PK profile to other treatments, with a focus on absorption and half-life.

  • One study focused on the speed of symptom changes reported by participants.
  • Researchers evaluated whether taking the drug with food resulted in different absorption levels.
  • Clinical trials documented adverse event reporting in adult populations.

Key Studies & References PRIME Study: A Randomized, Double-Blind, Placebo-Controlled Trial of Rofenac in Adult Populations with Condition Z

Frequently Asked Questions (FAQ)

Common questions about Rofenac (FAQ)

Q: Is Rofenac the same type of medicine as ibuprofen?

A: Official information confirms that Rofenac (which contains diclofenac) and ibuprofen both belong to the same class of medicine, known as Non-Steroidal Anti-Inflammatory Drugs (NSAIDs). Both are described as working through similar mechanisms to modulate pain and inflammation.

Q: What is the difference between Rofenac and naproxen?

A: Regulatory classifications describe both Rofenac (diclofenac) and naproxen as Non-Steroidal Anti-Inflammatory Drugs (NSAIDs). However, they are chemically categorized as different chemical derivatives within that larger drug class.

Q: How quickly does Rofenac usually start to work?

A: According to the official product information, for acute pain, the medicine often starts to provide relief within one week of starting use. For chronic conditions like certain types of arthritis, the full, noticeable effect may not be apparent for two weeks or longer.

Q: How long do the effects of Rofenac last?

A: Official pharmacokinetic data indicates that the terminal half-life of the unchanged active ingredient is approximately two hours. The half-life describes the time it takes for the amount of the drug in the body to be reduced by half.

Q: Is Rofenac considered a strong pain reliever?

A: Regulatory documents define Rofenac's purpose as providing symptomatic relief through its analgesic (pain-relieving) and anti-inflammatory properties. The drug is officially indicated for the management of mild-to-moderate acute pain.

Q: Are there any common over-the-counter medicines that interact with Rofenac?

A: Official regulatory guidance advises against taking Rofenac with any other systemic Non-Steroidal Anti-Inflammatory Drugs (NSAIDs). This includes common over-the-counter medicines like aspirin or ibuprofen.

Q: Does Rofenac cause stomach upset more often than other similar drugs?

A: Regulatory safety reviews have indicated that Rofenac has been associated with a potentially higher risk of serious gastrointestinal events than certain other non-selective NSAIDs, such as low-dose ibuprofen.

Q: Can a person take Rofenac if they have high blood pressure?

A: Regulatory documents note that initiating treatment requires careful consideration for individuals with significant cardiovascular risk factors. This includes high blood pressure that is uncontrolled.

Q: Does Rofenac affect how my liver works?

A: Official information states that elevations in liver function tests can occur during treatment. While rare, cases of severe liver injury (hepatic reactions) have been reported, and these events are noted in official information.

Q: Can Rofenac affect kidney function?

A: Rofenac is associated with an increased risk of adverse renal (kidney) effects, particularly for elderly patients or those with pre-existing kidney issues. Official information states that renal function monitoring is documented as being appropriate for long-term use.

Q: What kind of research has been done on Rofenac for chronic conditions?

A: Regulatory approvals and studies have focused on the treatment of signs and symptoms related to chronic inflammatory conditions. This research commonly includes osteoarthritis, rheumatoid arthritis, and ankylosing spondylitis.

Q: Is Rofenac safe for older adults (seniors)?

A: Regulatory documents note that elderly patients have an increased frequency of adverse reactions, particularly serious events involving the stomach and intestines. Official guidance emphasizes that the elderly should be treated with the lowest effective dose for the shortest duration, as noted in regulatory documents regarding risk management.

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

A: Official adverse reaction reports list dizziness and drowsiness as common nervous system disorders reported in patients using Rofenac. These side effects may potentially impact activities requiring attention and coordination.

Q: What does it mean if Rofenac has a 'black box warning'?

A: This term refers to the Boxed Warning required by the U.S. Food and Drug Administration (FDA) to highlight serious or life-threatening risks associated with the medicine. For Rofenac, this warning addresses the serious risks of cardiovascular thrombotic events (like heart attack or stroke) and gastrointestinal bleeding.

Q: Can Rofenac be used with cold and flu medications?

A: Regulatory guidance states that co-administration with other systemic Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) should be avoided. Users are advised to review the ingredients of cold and flu remedies to determine if they contain another NSAID, which could increase the risk of side effects.

Q: Is it necessary to take Rofenac with food?

A: For most oral tablets, taking the medicine with or immediately after food is generally recommended to help reduce the risk of stomach discomfort. However, official information notes that some specific formulations may be directed to be taken on an empty stomach.

Q: What should I know about taking Rofenac with alcohol?

A: Official product information notes that the consumption of alcohol while using Rofenac is linked to an increased risk of serious gastrointestinal bleeding. This serious side effect is a known risk associated with NSAID use.

Q: Do the side effects of Rofenac go away after stopping the medicine?

A: Regulatory reports indicate that the majority of common adverse reactions listed are mild and tend to be transient. Severe documented effects, such as drug-induced liver injury, have typically been reported as reversible upon cessation of the drug.

Q: Is Rofenac used to treat migraine headaches?

A: Official regulatory documents confirm that specific formulations of Rofenac are indicated for the acute treatment of migraine headaches, with or without aura. This use is generally described in regulatory documents as a single-dose treatment.

Q: Has Rofenac been studied for pain relief in arthritis?

A: Yes, Rofenac is officially indicated for the relief of signs and symptoms related to both osteoarthritis and rheumatoid arthritis, which are common inflammatory conditions.

Q: Is Rofenac approved for use in children?

A: Official drug information states that the safety and efficacy for most systemic forms of Rofenac are not established for children younger than 12 years of age. However, some lower-dose oral or suppository formulations are authorized for use in children above a specific body weight or age, such as nine years old.

Q: Is Rofenac used in veterinary medicine, and what is its main purpose there?

A: Yes, regulatory documents for veterinary medicine exist. They note the use of Rofenac for its anti-inflammatory, analgesic (pain-relieving), and antipyretic (fever-reducing) effects in animal species.

Q: How is Rofenac different from over-the-counter pain medicines?

A: Most forms of Rofenac are classified as prescription-only medicine. This requirement is in place due to the serious risks associated with its use, particularly the potential for cardiovascular and gastrointestinal events, which require careful medical oversight.

Q: Are there any specific lifestyle changes recommended while using Rofenac?

A: Official guidance for the topical gel formulation advises patients to avoid exposing the treated area to natural or artificial sunlight. For all forms, official regulatory guidance emphasizes the principle of using the lowest effective dose for the shortest duration possible.

Q: Is Rofenac considered addictive?

A: Rofenac is classified as a Non-Steroidal Anti-Inflammatory Drug (NSAID) and is not designated as a controlled substance by regulatory bodies. It is not associated with the addiction potential seen in narcotic (opioid) analgesics.

Q: What are the general research findings regarding Rofenac's effectiveness?

A: Clinical reviews, such as those published by the Cochrane Database, confirm that diclofenac is an effective drug. Research findings consistently indicate that it helps to modulate pain relief and reduce inflammation by inhibiting the body's synthesis of prostaglandins.

Q: Is Rofenac used for menstrual pain?

A: Yes, official drug information states that specific formulations of Rofenac are indicated for the relief of signs and symptoms of primary dysmenorrhea, which is the medical term for menstrual pain.

Q: What are the official recommendations for storing Rofenac?

A: Official instructions mandate that the medicine be stored at Controlled Room Temperature, typically 20 to 25 C (68 to 77 F). It must be protected from moisture and excessive heat, and regulatory documentation states that a core safety requirement is keeping the medicine strictly out of the reach of children.

Q: Is it safe to drive or operate machinery after taking Rofenac?

A: Since Rofenac has been reported to cause side effects such as dizziness, drowsiness, and visual disturbances, official regulatory documents advise caution regarding the ability to drive or operate machinery while using the medicine.

Q: Can people with asthma safely take Rofenac?

A: Official regulatory documents state that Rofenac is contraindicated (its use is prohibited) in patients who have experienced asthma, hives, or an allergic-type reaction after taking aspirin or other NSAIDs.

Q: Is Rofenac used to reduce fever?

A: Yes, regulatory documents describe Rofenac as having antipyretic properties, which means it is used to reduce fever. This effect is part of its overall mechanism for modulating inflammatory responses.

Q: What is the common age limit mentioned in the drug's information?

A: For most systemic forms of the drug, the official information states that the safety and efficacy are not established for children younger than 12 years of age.

Q: Does Rofenac have a generic equivalent?

A: Yes, the active ingredient in Rofenac, Diclofenac, is widely available as a generic equivalent once the product's patents expire, according to official drug compendiums.

How should Rofenac be stored and disposed of?

Storage and Disposal Conditions for Rofenac

Official regulatory documents mandate strict conditions for storing Rofenac (diclofenac) to ensure stability and safety.


Storage Requirements

The medicine must be stored at Controlled Room Temperature (20 to 25 C or 68 to 77 F). The product must be kept from freezing and protected from excessive heat (above 40 C). It must be protected from moisture and dispensed in a tight, light-resistant container. A critical safety requirement is to keep the medicine out of the reach of children.


Disposal Instructions

Outdated or unused medicine must be disposed of properly. Patients are instructed to ask a healthcare professional or pharmacist how to dispose of any medicine they do not use. This ensures disposal is compliant with local pharmaceutical waste guidelines.

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

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