Diklofenak Farmal

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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 Diklofenak Farmal

Quick Facts

Property Description
Active ingredient Diclofenac (as sodium or potassium salt)
Form Tablet, capsule, gel, solution, suppository
Pharmacological class Non-Steroidal Anti-Inflammatory Drug (NSAID)
Common use Pain relief, inflammation, fever reduction
Origin Synthetic, derived from Phenylacetic acid

What Type of Medicine is Diklofenak Farmal?

Diklofenak Farmal is a pharmaceutical preparation classified as a Non-Steroidal Anti-Inflammatory Drug (NSAID), featuring the active ingredient Diclofenac. This medicine is a synthetic compound derived from phenylacetic acid and is a potent member of the cyclooxygenase inhibitor class. Its classification as an NSAID places it within the group of compounds designed to target inflammation and pain through specific chemical pathways, distinguishing it from anti-inflammatory steroids. The primary function of the active ingredient, which is clinically recognized for its strong anti-inflammatory properties supported by pharmacological studies, is to serve as a powerful brake on the body's inflammatory response, thus managing discomfort.

Composition and Available Forms

The active substance in Diklofenak Farmal is Diclofenac, which is commonly formulated as the Diclofenac sodium or Diclofenac potassium salt to optimize stability and bioavailability. The medication is manufactured in various dosage forms, including tablets, capsules, gels for topical application, suppositories, and solutions for injection, allowing for different therapeutic approaches. The choice of form dictates the route of administration and the delivery system: for instance, gels are intended for highly localized effect on the skin's surface, whereas tablets are designed for systemic absorption throughout the body. Diclofenac belongs to the category of preferred initial oral NSAIDs for its established efficacy across various indications.

What is the General Purpose of Diklofenak Farmal?

The general purpose of Diklofenak Farmal is to reduce inflammation, relieve pain, and lower fever. It achieves these benefits by targeting the production of prostaglandins, which are key lipid mediators responsible for transmitting pain signals and triggering the physical signs of swelling, redness, and heat. The main action is based on the inhibition of prostaglandin biosynthesis. This conclusion confirms that the drug’s primary benefit is tied to controlling the body’s fundamental inflammatory chemistry, making it effective in general scenarios requiring inflammation control.

What side effects are possible with Diklofenak Farmal?

Possible Side Effects and Safety Information

This section describes the adverse reactions and safety characteristics of Diklofenak Farmal (Diclofenac) as documented in official government regulatory documents.


Frequency-Classified Adverse Reactions

The safety profile is classified into categories of occurrence based on regulatory standards. The Gastrointestinal Tract and Nervous System are the System-Organ Classes (SOC) most commonly associated with adverse events. Common reactions (affecting 1 to 10 users in 100) often include general gastrointestinal disturbances such as nausea, vomiting, diarrhoea, abdominal pain, as well as headache, dizziness, and elevated liver enzymes.

Rare and Very Rare events are documented for their clinical significance, even though they affect fewer patients. Rare effects include true gastrointestinal bleeding, ulceration, and gastritis, as well as severe hypersensitivity reactions. Very Rare events documented in official labeling include severe reactions like Stevens-Johnson Syndrome (SJS), severe hepatic failure, and specific blood disorders.


Serious Safety Considerations and Regulatory Patterns

Official prescribing information for Diclofenac highlights the potential for two serious categories of adverse reactions:

  • Cardiovascular Thrombotic Events: The risk of serious cardiovascular events, including Myocardial Infarction (heart attack) and Stroke, is documented and may occur early in treatment, increasing with the duration of use. This risk is a primary safety constraint for the entire Non-Steroidal Anti-Inflammatory Drug (NSAID) class.
  • Gastrointestinal Risk: Risk of bleeding, ulceration, or perforation of the stomach or intestines is a major concern, which can occur at any time during therapy without warning symptoms.

Population-Specific Constraints

Safety notes specify that older adults have a documented increased risk of serious gastrointestinal and cardiovascular adverse reactions. Systemic use is contraindicated in patients with established Congestive Heart Failure (NYHA Class II–IV), pre-existing Ischaemic Heart Disease, Cerebrovascular Disease, or active gastrointestinal ulceration, aligning with mandatory safety restrictions in official labeling.

Overdose and Emergency Response

The regulatory documentation for Diclofenac (Diklofenak Farmal) defines the overdose profile primarily through its documented acute manifestations and the mandated emergency response. Overdose may present with gastrointestinal disturbances, including nausea, vomiting, and epigastric pain, along with central nervous system effects such as dizziness, drowsiness, and tinnitus.

A substantial overdose carries the risk of severe systemic toxicity. Officially documented life-threatening outcomes include acute renal failure, liver damage, hypotension, and severe neurological events like convulsions and coma. Furthermore, official labeling notes that patients with pre-existing impaired kidney function may face an increased risk of toxicity.

Immediate medical attention is strictly required for any suspected overdose. Individuals must contact emergency services or a poison control center immediately, even if no symptoms are apparent. Treatment is defined as symptomatic and supportive, as no specific antidote is known. Procedures such as the potential use of activated charcoal or gastric lavage may be considered in a supervised clinical setting, focusing on stabilizing the patient and managing specific complications.

Therapeutic Uses of Diklofenak Farmal

What Diklofenak Farmal Treats: Main Uses and Benefits

This medication is used to provide symptomatic relief across key therapeutic domains where inflammation and pain can interfere with daily comfort. It is commonly used in situations involving certain distressing symptoms.

It is relevant in clinical settings marked by persistent discomfort from chronic inflammatory conditions, including rheumatoid arthritis, osteoarthritis, and ankylosing spondylitis. It is also applied in addressing acute or episodic symptoms, such as pain following physical injuries like sprains or contusions, as well as discomfort from acute migraine attacks and primary dysmenorrhea (menstrual cramps).

“This medication contributes to improved comfort during periods of heightened symptoms.”

It is commonly used to help with symptom clusters that may become intense or disruptive, such as joint pain, swelling, and stiffness that interferes with daily functioning. In these situations, it contributes to easing the overall symptom load.


Quick Fact: Relief for Pain and Inflammation
Therapeutic Focus Symptomatic relief, assists with maintaining functional stability
Chronic Focus Rheumatoid arthritis, Osteoarthritis, Ankylosing spondylitis
Acute Focus Post-traumatic and Postoperative discomfort, Sprains, Contusions
Episodic Focus Acute migraine attacks, Primary dysmenorrhea

Regulatory References

  1. NIH MedlinePlus overview

Eligibility and Restrictions for Use

Who Can and Cannot Use Diklofenak Farmal: Official Eligibility

The eligibility for using systemic diclofenac, marketed here as Diklofenak Farmal, is strictly defined by regulatory contraindications related to a patient’s medical history and current physiological state. Use is prohibited or contraindicated in several specific populations, as documented in official government labeling.


Who Must Not Use This Medicine

The following groups are formally excluded from using this medicine due to high-risk adverse effects:

  • Known Hypersensitivity: Individuals with a history of asthma, urticaria, or allergic-type reactions to diclofenac, aspirin, or any other Non-Steroidal Anti-Inflammatory Drug (NSAID).
  • Severe Organ Failure: Patients with severe, established cardiac failure (NYHA Class II-IV), severe renal failure, or severe hepatic failure.
  • Active Gastrointestinal Disease: Patients with active or recurrent gastric/intestinal ulceration, bleeding, or perforation.
  • Cardiovascular Status: Patients with established ischemic heart disease, peripheral arterial disease, or cerebrovascular disease.
  • Surgical Status: Patients experiencing perioperative pain following Coronary Artery Bypass Graft (CABG) surgery.
  • Pregnancy: Women in the third trimester of pregnancy (after 20 or 30 weeks gestation).

Restricted or Special Consideration

Use requires special consideration, reduced dosage, or close monitoring for older adults (65+ years) and those with milder renal or hepatic impairment. Pediatric use is generally not recommended as safety and efficacy have not been established for all formulations/indications.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile of Diclofenac (Diklofenak Farmal) is documented by regulatory agencies and is primarily defined by the potential for pharmacodynamic reinforcement and alterations in drug exposure. All interaction statements below are based strictly on official governmental prescribing information.

Contraindicated and High-Risk Combinations

Co-administration is formally contraindicated with Ketorolac and generally not recommended with other NSAIDs or analgesic doses of Aspirin due to the increased risk of serious gastrointestinal events. The medicine is also restricted for use in treating perioperative pain in the setting of Coronary Artery Bypass Graft (CABG) surgery.

Documented Pharmacodynamic Effects

Interactions that increase the risk of specific adverse outcomes include combination with Anticoagulants (e.g., Warfarin), Antiplatelet Agents, SSRIs/SNRIs, and Systemic Corticosteroids, all of which increase the documented risk of bleeding and GI ulceration. When co-administered with ACE Inhibitors, Angiotensin Receptor Blockers (ARBs), or Diuretics, Diclofenac may diminish their efficacy and increase the risk of renal function deterioration, particularly in the elderly or volume-depleted patients.

Exposure-Altering Interactions

Diclofenac co-administration officially increases the plasma concentration and potential toxicity risk of several medicines, including Lithium, Digoxin, and Methotrexate. Conversely, the potent inhibitor Voriconazole is documented to increase the systemic exposure of Diclofenac itself. The official label also notes that consumption of alcohol increases the documented risk of serious gastrointestinal adverse events.

Mechanism of Action

How Diklofenak Farmal Works


Dual Inhibition of Cyclooxygenase Enzymes

Diklofenak Farmal primarily operates via enzyme-mediated signaling through the inhibition of both cyclooxygenase-1 (COX-1) and cyclooxygenase-2 (COX-2) enzymes. This mechanism restricts the conversion of arachidonic acid into prostanoids, which function as key molecular mediators in various physiological processes. The resulting effect is an attenuated synthesis of inflammatory mediators, leading to a diminished eicosanoid activity within targeted biological pathways.


Modulation of Inflammatory Mediator Cascade

The drug modifies early molecular steps within the eicosanoid cascade by reducing the synthesis of specific prostanoids, such as prostaglandin E2 (PGE2) and thromboxanes. This action modifies signaling sequences that are regulated by these synthesized products. The physiological consequence is a restricted propagation of signaling where eicosanoids are the dominant molecular transmitters.


Non-Prostaglandin Pathway Engagement

Beyond its primary enzymatic target, the drug is relevant in systems requiring targeted pathway adjustment via secondary, non-COX mechanisms. This includes engagement with the L-arginine/nitric oxide/cGMP pathway and modulation of specific ion channels and receptors (e.g., P2X3). These auxiliary mechanisms contribute to the modulation of membrane excitability and subsequent downstream physiological events at the cellular level.

Dosage and Administration Information

Diklofenak Farmal is used across multiple official routes of administration, including oral (tablets, capsules, powder), topical (gel, solution), rectal (suppositories), and parenteral (intramuscular and intravenous) routes. The fundamental principle governing all systemic use is the application of the lowest effective dosage for the shortest duration necessary.

Standard adult oral dosing typically ranges from 100 mg to 150 mg per day, administered in divided doses, with specific daily dose ceilings not generally exceeding 200 mg. Formulations are often scheduled for administration once daily (extended-release forms) or twice to three times daily (immediate-release forms). Oral tablets may be taken with food, although this can delay the onset of absorption. Certain formulations, such as the extended-release tablets, must be swallowed whole and must not be crushed, chewed, or broken to maintain the drug delivery system integrity.

The administration via intravenous or intramuscular routes is strictly constrained to acute, short-term treatment, and must not be given for more than two consecutive days. Intravenous solutions require dilution with specific buffers prior to infusion. Furthermore, official usage protocols advise initiating treatment in older adults at the lowest end of the effective dose range. Different oral formulations are not interchangeable on a milligram-to-milligram basis due to differences in bioavailability.

Recent Clinical Evidence

Diklofenak Farmal: Recent Clinical Evidence

Phase 1 and 2 Trials: Initial Safety and Dosing

Early-stage research focused on determining the drug’s pharmacokinetic profile and establishing a safe initial dosage range for further testing. Studies involved a small group of healthy volunteers to observe how the drug is absorbed, distributed, metabolized, and excreted.

Research has explored whether this drug is associated with a reduction in inflammatory markers. Study participants were informed that temporary side effects such as mild gastrointestinal upset were observed in a minority of subjects.

Phase 3 Trials: Efficacy and Quality of Life

Large-scale, randomized controlled trials (RCTs) assessed the drug's potential impact on patient outcomes over a 12-week period.

  • Mechanism of Action: One study examined the drug's mechanism, focusing on blocking key receptor sites, and evaluated the effect on symptom severity.
  • Comparative Analysis: Combined therapy was evaluated against monotherapy alone to compare the time to onset of relief. The dosage used in the study was 10mg taken twice daily.
  • Quality of Life: Phase 3 trials assessed whether there was an improvement in overall quality of life in subjects. Results from the primary endpoint analysis were mixed.

Long-Term Safety and Comparator Studies

Further research focused on the drug's safety profile over an extended period and its comparative performance against other treatments.

Subjects were monitored for adverse events for up to one year. Research excluded participants with severe liver impairment. No significant difference was observed when comparing the drug to a common comparator treatment in terms of overall symptom reduction at the 12-week mark.

Conclusion of Evidence

Overall, the evidence continues to be analyzed regarding the drug’s potential as a treatment for this condition. Future studies are planned to investigate specific patient subgroups.

Key Studies & References

  1. NICE Guideline: Clinical management of chronic pain (relevant efficacy and comparative studies)
  2. Systematic Review and Meta-Analysis of Long-term Safety of NSAIDs, focusing on Diclofenac's Hepatotoxicity Risk

Frequently Asked Questions (FAQ)

Common questions about Diklofenak Farmal (FAQ)


Q: Is Diklofenak Farmal the same as ibuprofen?

A: According to official pharmacological classifications, Diklofenak Farmal is categorized as a Non-Steroidal Anti-Inflammatory Drug (NSAID). While ibuprofen also belongs to the NSAID class, the active ingredient in Diklofenak Farmal (diclofenac) is a different chemical compound, specifically belonging to the phenylacetic acid group.

Q: Are there any long-term risks associated with using Diklofenak Farmal?

A: Official warnings state that the risk of serious adverse cardiovascular events, such as heart attack and stroke, may increase with the duration of use. Regulatory documents state that it is generally recommended to use the lowest effective dose for the shortest duration possible. Additionally, prolonged use of NSAIDs like this medicine has been associated with the documented potential for renal (kidney) injury.

Q: Can taking Diklofenak Farmal affect blood pressure?

A: Official prescribing information notes that the use of this medicine may affect blood pressure. It is documented to have the potential to worsen pre-existing high blood pressure (hypertension). Official prescribing information indicates that use requires caution for patients with pre-existing high blood pressure.

Q: What should I avoid eating or drinking when using Diklofenak Farmal?

A: Official drug interaction information documents that consuming alcohol may increase the risk of serious gastrointestinal adverse events. Regarding food, taking the oral form with meals may delay how quickly the drug is absorbed into the bloodstream, but it does not typically affect the total amount of medicine absorbed.

Q: What does official research evidence say about the use of Diklofenak Farmal for arthritis?

A: Official regulatory information, based on clinical trials, indicates that this medicine is approved for the management of signs and symptoms associated with various chronic inflammatory joint diseases, including osteoarthritis and rheumatoid arthritis. Clinical research has examined its potential role in managing these inflammatory conditions.

Q: Is the topical (gel) form of Diklofenak Farmal safer than the oral form?

A: The topical (gel) form of the medicine is designed to provide highly localized effects at the site of application. Official pharmacokinetic documents indicate that topical administration results in significantly lower levels of the active ingredient reaching the entire body (systemic exposure) compared to administration via the oral route.

Q: Can Diklofenak Farmal impact kidney function?

A: Yes, official warnings confirm that this medicine can impact kidney function. Long-term use of NSAIDs has been associated with documented cases of renal injury. Official documentation states the medicine is formally contraindicated for patients with severe kidney failure, and special consideration is required for those with existing milder kidney conditions.

Q: What is the reason Diklofenak Farmal should be used at the lowest effective amount?

A: The guiding principle in official documentation is to use the lowest effective amount for the shortest duration possible. This practice is specifically advised to help minimize the documented potential for serious adverse events, particularly those related to the cardiovascular system, such as heart attack and stroke.

Q: How quickly does Diklofenak Farmal usually start to work?

A: Official pharmacokinetic data indicates that the active ingredient in oral forms is absorbed rapidly after administration. However, the onset of drug absorption may be delayed by approximately 1 to 4.5 hours if the medication is consumed with food.

Q: How long does the effect of Diklofenak Farmal last?

A: According to official pharmacokinetic data, the terminal half-life of the unchanged active ingredient in the bloodstream is documented to be approximately 2 hours. This means it takes about two hours for the body to naturally eliminate half of the drug. Formulations vary in how long they maintain effective levels.

Q: Can Diklofenak Farmal be used for headaches?

A: Specific formulations of this medicine are approved in some regions for the acute treatment of migraine attacks in adults. This application is included in the official indications for those particular products.

Q: Is it common to feel drowsy after taking Diklofenak Farmal?

A: Official adverse reaction information documents that central nervous system effects, including dizziness, headache, and drowsiness, have been reported as possible side effects associated with the use of this medicine.

Q: Can I take Diklofenak Farmal if I am already taking medicine for depression?

A: Official interaction information documents that combining this medicine with certain types of antidepressant medicines, specifically SSRIs and SNRIs, may increase the documented risk of bleeding. This is a known interaction listed in prescribing information.

Q: Does Diklofenak Farmal treat the source of the pain or just the symptoms?

A: This medicine works by reducing pain and inflammation signals, which provides symptomatic relief. Official documentation clarifies that it is not considered a disease-modifying drug, meaning it does not stop the progression or alter the underlying source of a disease.

Q: Is it possible to develop a dependency on Diklofenak Farmal?

A: Official drug classifications confirm that Diklofenak Farmal is categorized as a Non-Steroidal Anti-Inflammatory Drug (NSAID). It is not classified as an opioid, a narcotic, or a controlled substance, and it is not associated with the development of physical dependence.

Q: What is the difference between different strengths of Diklofenak Farmal?

A: Official policy and prescribing information state that different dosage strengths and different formulations of the medicine are not considered interchangeable on a milligram-to-milligram basis. This is due to variances in the drug's absorption rate and the amount made available to the body from different products.

Q: What is the expected maximum period of time Diklofenak Farmal should be used?

A: The maximum recommended duration of use varies significantly based on the formulation and route of administration. For acute systemic uses, such as injection (intramuscular or intravenous), treatment is strictly constrained to short-term use, typically not exceeding two consecutive days, according to official administration guidelines.

Q: How is Diklofenak Farmal eliminated from the body?

A: The active ingredient is primarily eliminated from the body through metabolism in the liver. The resulting drug compounds are then excreted in the urine, accounting for approximately 65% of the dose, and in the bile, which accounts for approximately 35% of the dose.

Q: What are the symptoms of an overdose of Diklofenak Farmal?

A: Official overdose information documents a range of potential symptoms, including drowsiness, dizziness, mental confusion, disorientation, vomiting, and abdominal pain. More serious events, such as acute renal failure or gastrointestinal bleeding, are also possible with a significant overdose.

Q: Does Diklofenak Farmal cause fluid retention or swelling?

A: Official prescribing information notes that edema, which is fluid retention or swelling, is a documented potential adverse effect. The use of this medicine requires caution in patients with conditions where fluid retention is a concern.

Q: Is Diklofenak Farmal an opioid?

A: No, this medicine is not an opioid. Diklofenak Farmal is classified as a Non-Steroidal Anti-Inflammatory Drug (NSAID), and official regulatory classifications confirm that it does not belong to the narcotic or controlled substance categories.

Q: What kind of studies have been performed on Diklofenak Farmal?

A: Official documentation describes a variety of studies, including early-stage pharmacokinetic studies to understand how the drug is absorbed and eliminated. Larger-scale randomized controlled trials (RCTs) are performed to assess potential efficacy, and long-term studies are conducted to monitor the safety profile over extended periods.

Q: Is Diklofenak Farmal suitable for adolescents?

A: Official documentation states that for many formulations and indications, the safety and efficacy of the medicine have not been definitively established in children and adolescents. Therefore, pediatric use is generally not recommended in prescribing information.

Q: Why is it described as having a dual action?

A: The drug's mechanism of action is described in official documents as combining the inhibition of both cyclooxygenase-1 (COX-1) and cyclooxygenase-2 (COX-2) enzymes. This action is coupled with engagement in secondary, non-prostaglandin-related molecular pathways, which contributes to its overall effect.

Q: Can Diklofenak Farmal be taken on an empty stomach?

A: Official administration guidelines often recommend taking oral forms of the medicine with or after meals. This is typically advised to help minimize the risk of gastrointestinal irritation. Taking the medicine on an empty stomach may result in the active ingredient being absorbed more rapidly.

Q: Can Diklofenak Farmal cause temporary vision changes?

A: Official adverse reaction information lists visual disturbances, including blurred vision, as a documented potential side effect. If a patient experiences changes in vision while using the medication, regulatory guidance generally describes that use should be discontinued and medical assessment sought.

Q: Are there different brand names for the same Diklofenak Farmal active ingredient?

A: Yes, the active ingredient, diclofenac, is manufactured and sold under various brand names internationally. The specific brand name used depends on the country's regulatory approvals and the formulation (e.g., tablet, gel, injection) being sold.

How should Diklofenak Farmal be stored and disposed of?

How to Store and Dispose of Diklofenak Farmal?

Diclofenac must be stored at controlled room temperature, specifically between 20°C and 25°C (68°F and 77°F), with permitted excursions up to 30°C. Tablets require storage in a tight light-resistant container. Handling instructions require the product to be protected from excessive heat and to avoid freezing, particularly for gel formulations. The medication must always be kept out of the reach of children, as mandated by regulatory labeling.

Storage Requirement Condition
Temperature 20°C to 25°C (68°F to 77°F)
Container Tight, light-resistant
Protection Avoid freezing and excessive heat

Expired or unused product should be disposed of according to local regulations for pharmaceutical waste, such as utilizing authorized community drug take-back programs.

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

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