Diclofenac-Teva

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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 Diclofenac-Teva

Property Description
Active ingredient Diclofenac (as a salt, typically sodium or potassium)
Form Pharmaceutical preparation (various forms, e.g., tablet, gel, solution)
Pharmacological class Nonsteroidal Anti-Inflammatory Drug (NSAID)
Common use Symptomatic relief of pain and inflammation
Origin Synthetic compound (derivative of phenylacetic acid)

Diclofenac-Teva: Identity and Pharmacological Classification

Diclofenac-Teva is a comprehensive medicinal product whose core active substance is Diclofenac, which belongs to the widely recognized Nonsteroidal Anti-Inflammatory Drug (NSAID) class. It functions as a potent anti-inflammatory agent and analgesic, classifying it as a non-opioid analgesic used for symptomatic management. This designation means the drug is chemically distinct from narcotic painkillers and instead works by targeting the biological processes of inflammation and pain production. Its classification reflects its general therapeutic intent to provide concurrent relief from pain and physical inflammatory symptoms, fulfilling a role in treating inflammatory disorders.


Composition, Origin, and Pharmaceutical Type

The active ingredient, Diclofenac, is a synthetic compound derived from phenylacetic acid, ensuring chemical consistency and predictable action. As a single-component product (monotherapy), Diclofenac-Teva is manufactured as a pharmaceutical preparation, with its pharmacological effects attributable to the Diclofenac molecule, typically formulated as a salt such as Diclofenac sodium or potassium. The product is provided in various dosage form(s), encompassing preparations designed for both systemic and local route of administration, depending on the specific product variant being used. Diclofenac is a potent NSAID used for its analgesic and anti-inflammatory properties. As such, the medicine is recognized for its ability to ease pain and reduce swelling.


General Therapeutic Utility and Positioning

The primary general purpose of this medicine is to offer symptomatic relief for discomfort, particularly that associated with musculoskeletal pain and various rheumatic conditions. Diclofenac achieves this by its fundamental mechanism of effect: it acts as a Cyclooxygenase (COX) inhibitor, thereby reducing the body's synthesis of prostaglandins. Since prostaglandins are mediators of pain and the inflammatory response, the reduction of these substances leads to both an anti-inflammatory effect and an analgesic effect. Diclofenac is categorized as an antirheumatic agent, reflecting its role in managing symptoms of inflammatory joint conditions. This indicates the drug has an established utility for helping with discomfort related to conditions like arthritis.

Regulatory References

  1. NIH: Diclofenac Information

What side effects are possible with Diclofenac-Teva?

Possible Side Effects and Safety Information

As a nonsteroidal anti-inflammatory drug (NSAID), Diclofenac is associated with known class effects and specific safety considerations documented in official regulatory labeling. Adverse reactions are classified by frequency and affected organ system, consistent with standards used by major government agencies.

Commonly Documented Adverse Reactions

Side effects classified as common (occurring in 1/100 to 1/10 patients) frequently involve the Gastrointestinal System, including nausea, vomiting, indigestion, abdominal pain, diarrhea, and constipation. Nervous System effects like headache and dizziness are also often reported.

Serious Adverse Reactions and Systemic Risks

Official product information emphasizes the risk of serious adverse reactions, which can be fatal. These include:

  • Cardiovascular Thrombotic Events: An increased risk of serious arterial thrombotic events, such as myocardial infarction and stroke, is officially documented. This risk may increase with the duration of use and at higher daily doses.
  • Gastrointestinal Events: The medicine can cause serious gastrointestinal events, including ulceration, bleeding, and perforation of the stomach or intestines, which can occur at any time during therapy.
  • Other Serious Events: Severe skin reactions (e.g., Stevens-Johnson syndrome, toxic epidermal necrolysis), severe hepatotoxicity (liver injury), and anaphylactic reactions are reported, typically as rare or very rare occurrences.

Specific Regulatory Safety Constraints

The regulatory profile specifies constraints for vulnerable groups. Diclofenac is officially contraindicated in patients with established congestive heart failure (NYHA Class II-IV) or other established cardiovascular diseases. It is also contraindicated during the third trimester of pregnancy due to the risk of fetal toxicity. In alignment with regulatory safety principles, the overall potential for adverse events is minimized by using the lowest effective dose for the shortest duration necessary.

Overdose and Emergency Response

Overdose and when to seek help

Overdose with Diclofenac may present with specific documented signs and symptoms. Gastrointestinal complaints are common, including nausea, vomiting (potentially containing blood), stomach pain, diarrhea, and symptoms of gastrointestinal bleeding. Central Nervous System (CNS) manifestations include drowsiness, dizziness, headache, lethargy, and, in severe cases, the possibility of seizures or coma. Abnormal blood pressure and increased heart rate are also documented clinical findings.

An overdose may lead to severe, life-threatening outcomes, such as acute renal failure, gastrointestinal perforation and significant bleeding. Due to the risk of severe complications, government regulatory guidance mandates that individuals seek immediate medical attention or get emergency medical help right away if an overdose is suspected or if severe symptoms occur.

No specific antidote is known for acute Diclofenac toxicity. Consequently, management is focused on providing symptomatic and supportive treatment. Procedural measures may involve the use of activated charcoal within four hours of ingestion, subject to clinical judgment. Hospital monitoring is required for symptomatic patients, including procedures such as ECG and continuous observation. Elderly patients and those with existing renal or hepatic impairment are identified in regulatory documents as being at greater risk for serious and potentially fatal complications.

Therapeutic Uses of Diclofenac-Teva

Diclofenac-Teva is applied across domains where additional symptomatic support is needed, offering supportive relief for symptoms that create noticeable physiological strain. The medicine is generally used to help with conditions presenting with systemic or localized discomfort, primarily due to its support in managing pain and inflammation. This includes easing symptoms that create noticeable physiological strain.


Symptomatic Relief for Key Therapeutic Areas

This medicine is commonly used across conditions characterized by periods of heightened symptoms such as osteoarthritis, rheumatoid arthritis, and ankylosing spondylitis, as well as for managing acute discomfort from musculoskeletal injuries like sprains. It is also applied to address the acute, severe pain of migraine attacks and the cramping of primary dysmenorrhea (menstrual cramps).

Quick Fact: Support for Joint Inflammation

The medicine supports the management of symptom clusters related to physical discomfort and inflammatory states, which may assist with easing pain and stiffness. This application may help maintain a sense of stability when symptoms are more noticeable, assisting with functional stability.


Managing Acute Pain and Episodic Discomfort

Diclofenac-Teva is relevant when supportive symptom management is appropriate for sudden-onset issues or following surgical and dental procedures. This use may help address symptoms that interfere with daily functioning and is applied in clinical settings that involve acute or disruptive symptom patterns.

Regulatory References

  1. NIH StatPearls overview

Eligibility and Restrictions for Use

Who Can and Cannot Use Diclofenac-Teva

Eligibility to use Diclofenac-Teva is determined by regulatory-defined criteria concerning age, physiological status, and existing medical conditions, with use generally approved for adults.

Contraindicated Populations (Must Not Use)

Category Contraindication (Mandatory Exclusion)
Immunologic Hypersensitivity to diclofenac, aspirin, or any NSAID, or history of NSAID-induced asthma/urticaria.
Cardiovascular Established congestive heart failure (NYHA class II–IV), ischemic heart disease, or post-coronary artery bypass graft (CABG) surgery.
Gastrointestinal Active gastric or intestinal ulcer, bleeding, or perforation.
Organ Failure Severe renal failure or hepatic failure.
Pregnancy Women in the last trimester of pregnancy (starting at 30 weeks gestation).

Restricted and Conditional Use

Category Regulatory Requirement
Age-Related Safety and efficacy are generally not established for systemic use in children under 12 years of age. Use in the elderly requires caution due to increased risk of adverse reactions.
Organ Impairment Caution and close monitoring are required for patients with mild to moderate renal or hepatic impairment.
CV Risk Patients with cardiovascular risk factors (e.g., hypertension) must use the lowest effective dose for the shortest duration possible.
Lactation Use is not recommended or requires a careful benefit-risk assessment, as diclofenac is excreted in breast milk.

These official eligibility statements define who may use the medicine and who is prohibited from use, ensuring that the medicine is reserved for populations where the risk profile meets regulatory standards.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official regulatory profile for Diclofenac-Teva details several clinically significant interaction patterns, primarily concerning altered drug exposure and heightened physiological risk.

Pharmacokinetic Interactions and Exposure

Diclofenac is primarily metabolized via the CYP2C9 enzyme. Co-administration with strong inhibitors of this enzyme, such as Voriconazole, is officially documented to significantly increase Diclofenac plasma concentration, specifically raising the Cmax by 114% and AUC by 78%. Conversely, Diclofenac can increase the serum concentration and prolong the half-life of co-administered medicines, including Digoxin.

Pharmacodynamic Risks and Restrictions

The concurrent use of Diclofenac with Anticoagulants (e.g., Warfarin) or Antiplatelet agents increases the risk of serious Gastrointestinal (GI) bleeding. When used alongside Diuretics or ACE Inhibitors/ARBs, there is a documented potential for the deterioration of renal function and a reduction in the blood pressure effect of those medicines. The use of the medicine for perioperative pain treatment in the setting of Coronary Artery Bypass Graft (CABG) surgery is formally contraindicated. Additionally, other systemic NSAIDs should be avoided due to the potential for additive undesirable effects.

Substance and Population Notes

Co-ingestion of Alcohol is an officially documented factor that increases the risk of GI mucosal bleeding. The regulatory profile notes that Elderly patients are at a higher risk for serious GI adverse events, and caution is required for those with pre-existing Hepatic or Renal Impairment.

Mechanism of Action

Targeting Key Inflammatory Enzyme Pathways

Diclofenac-Teva functions as a non-selective inhibitor of the Cyclooxygenase (COX) enzymes ( COX-1 and COX-2). This core action interferes with the prostaglandin synthesis pathway, a critical cascade that converts precursors into prostaglandins, which are key lipid mediators of inflammatory and nociceptive signaling.


Modulating Nociceptive and Local Tissue Response

The resulting reduction in prostaglandin production affects signaling in both peripheral tissues and the central nervous system. This molecular action leads to the physiological effect of decreased afferent neural sensitization, resulting in decreased responsiveness of peripheral nociceptors to chemical and mechanical stimuli. It also causes decreased local vascular permeability, which results in altered local fluid dynamics by reducing extravasation. This constitutes a modulation of neurochemical activity within nociceptive and inflammatory pathways.


Reversing Elevated Thermoregulatory Set Points

Additionally, the drug engages mechanisms that influence the hypothalamic thermoregulatory center. By reducing prostaglandin levels in this central area, the mechanism facilitates the reversal of an elevated temperature set point. This action consequentially promotes heat loss mechanisms, such as cutaneous vasodilation, which influences the drug’s overall effect profile.

Dosage and Administration Information

Diclofenac-Teva, an NSAID, should be used exactly as prescribed by your healthcare provider. Dosage and administration frequency are dependent on the specific formulation—which includes immediate-release tablets, delayed-release tablets, extended-release tablets, and topical preparations—as well as the condition being treated, such as osteoarthritis, rheumatoid arthritis, or acute pain.

Dosage Form General Administration Guidelines
Oral Tablets (Immediate/Delayed-Release) Typically taken 2 to 4 times a day. Swallow tablets whole; do not crush, chew, or break them. Delayed-release tablets (enteric-coated) should be taken at least 30 minutes before food or 2 hours after a meal to prevent stomach irritation, though some formulations may be taken with food.
Oral Tablets (Extended-Release) Usually taken once a day, or up to twice a day in rare instances, as directed. Do not crush or chew.
Topical Gel/Solution Apply only to the affected area, as instructed. Wash your hands thoroughly before and after application. Do not apply to open wounds, infections, or rashes, and avoid contact with your eyes and mucous membranes.

General Precautions

Use the lowest effective dose for the shortest duration possible to manage symptoms and minimize potential risks, particularly cardiovascular and gastrointestinal adverse events. If you miss a dose, take it as soon as you remember, unless it is almost time for your next scheduled dose, in which case you should skip the missed dose and resume your regular schedule. Do not double the dose to make up for a missed one. Consult your doctor if your symptoms do not improve or if you experience any concerning side effects.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Diclofenac-Teva


Evidence for use in Osteoarthritis (OA)

Research examining this medication in relation to the signs and symptoms associated with osteoarthritis has been conducted using short-term randomized controlled trials (RCTs). These studies were applied in populations characterized by functional limitations due to OA. Researchers monitored outcomes related to physical discomfort and daily functioning or activity level, relying on patient-reported outcomes describing perceived discomfort.

Findings describe patterns observed in the studies, where groups taking the medication reported certain changes in symptom measures over the study period. Evidence contributes to the broader evidence landscape related to the short-term symptom patterns. Long-term effects are not fully established, as follow-up durations were limited in the primary trials. Comparative evidence is lacking for how this medication’s profile relates to every other available treatment option.

Evidence for use in Rheumatoid Arthritis (RA)

The medication was evaluated in studies examining patient-reported experiences related to the signs and symptoms of rheumatoid arthritis (RA), a condition marked by functional limitations. The research explored how symptoms evolved in the observed populations during short-to-intermediate time frames. Study designs included controlled trials and open-label extension studies, used in research exploring how symptoms change over time.

Research highlights changes measured during the study period, including outcomes linked to inflammatory or irritative states, such as joint tenderness and swelling. Findings describe patterns observed in these studies, including recorded short-term changes in these monitored outcomes. Data for certain groups, particularly those with long-standing or severe RA, remain insufficient. There is limited information for long-term outcomes for this population.

What is Still Uncertain About Diclofenac-Teva Evidence

Evidence quality varies across studies, and many areas still require further research. Sample sizes were modest in some early-phase research. Comparative evidence is lacking against all other alternative treatments that may be applied in studies examining patient-reported experiences. Long-term effects are not fully established across all indications, and there is limited information for long-term outcomes. Furthermore, research does not determine whether an individual will respond similarly to the group patterns observed in the trials, as study results reflect the specific conditions under which they were conducted.

Frequently Asked Questions (FAQ)

Common questions about Diclofenac-Teva (FAQ)

Q: Are there any long-term side effects associated with regular use of Diclofenac-Teva?

Regulatory documents state that the risk of serious side effects, such as cardiovascular events (like heart attack and stroke) and gastrointestinal bleeding, may increase with the duration of use. Regulatory warnings advise that this medicine should be used for the shortest duration possible to help minimize these potential risks.


Q: Can taking Diclofenac-Teva affect my liver or kidney function?

Official product information notes that, like other drugs in its class, Diclofenac can affect these organs. The drug has been associated with transaminase elevations (a sign of liver injury) and can cause renal toxicity (kidney damage) in susceptible patients. For this reason, official labels recommend caution and note that monitoring may be advised by a healthcare provider for certain patients.


Q: Is it normal to feel a little sick to my stomach after taking Diclofenac-Teva?

Yes, feeling sick to your stomach is a common adverse reaction reported with this medication. Official documents list symptoms like nausea and vomiting among the most frequently observed gastrointestinal side effects. Taking the medicine according to the administration guidelines, which may include taking it with food, is intended to help reduce the possibility of stomach upset.


Q: Can Diclofenac-Teva cause drowsiness or affect alertness?

According to official product information, adverse reactions affecting the nervous system may include dizziness and, less commonly, drowsiness or confusion. If a patient experiences these effects, official warnings advise exercising caution when performing tasks requiring mental alertness, such as driving or operating heavy machinery.


Q: What should I do if I notice unusual bleeding while on Diclofenac-Teva?

Patients should be alert for any signs of gastrointestinal bleeding or ulceration, such as having black, tarry stools or vomiting blood. If signs of a serious adverse event are noticed, patients are advised in the product information to promptly seek medical evaluation.


Q: Is it okay for teenagers to use Diclofenac-Teva?

Safety and effectiveness for systemic use are generally not established for all pediatric patients. However, some specific oral formulations of Diclofenac are approved for use in adolescents 12 years of age and older for certain conditions. The use of this medicine in this population requires a healthcare provider's evaluation.


Q: Can I take Diclofenac-Teva if I am also taking an SSRI antidepressant?

Regulatory documents suggest caution because co-administration with drugs that affect platelet aggregation, which includes certain SSRI antidepressants, may increase the risk of serious gastrointestinal bleeding. Because of this potential increased risk, regulatory information emphasizes the importance of informing a healthcare provider about all medicines being taken.


Q: How long can someone safely take Diclofenac-Teva continuously?

The official guidance emphasizes using the lowest effective dosage for the shortest duration necessary to control symptoms. This is to minimize potential risks, particularly those related to the heart and stomach. Specific treatment goals and duration of therapy are determined by a healthcare professional.


Q: Does taking Diclofenac-Teva make you more sensitive to the sun?

Yes, official warnings mention that photosensitivity (increased skin sensitivity to sunlight) has been reported with this medication. Official warnings suggest that patients may be advised to minimize or avoid sun exposure and use protective measures like clothing and sunscreen.


Q: Can I take Diclofenac-Teva if I have asthma?

Use is contraindicated (must not be used) in patients who have a history of asthma, hives (urticaria), or other allergic-type reactions after taking aspirin or other NSAIDs. Patients with pre-existing asthma (not linked to aspirin or NSAID sensitivity) should be monitored closely by a healthcare professional.


Q: Can this medication cause water retention or swelling?

Official information confirms that fluid retention and edema (swelling) have been observed in some patients. Due to this potential effect, the drug is used with caution in individuals who have medical conditions predisposing them to fluid retention, such as heart failure.


Q: Why do some people report heartburn after taking Diclofenac-Teva?

Heartburn, which is a type of indigestion or dyspepsia, is linked to the commonly reported adverse reactions affecting the gastrointestinal system. Like other medicines in this class, Diclofenac can potentially cause irritation or inflammation of the lining of the stomach.


Q: Can Diclofenac-Teva be used for fever reduction?

As a non-steroidal anti-inflammatory drug (NSAID), the mechanism of action involves reducing the body’s production of certain signaling molecules. This process also facilitates the reversal of an elevated temperature set point. Therefore, it can have an antipyretic effect (fever-reducing action) in addition to its main anti-inflammatory and pain-relieving uses.


Q: Why is it important to check the expiration date on Diclofenac-Teva?

The expiration date ensures that the product is stable and retains its full strength, quality, and purity when stored correctly. Taking medication after its expiration date may mean it has lost its effectiveness or has chemically degraded. Expired medication should not be used, and its disposal must follow established guidelines for pharmaceutical waste.


Q: Where is the Diclofenac-Teva absorbed in the body?

According to official clinical pharmacology data, after being taken orally, the drug is rapidly and completely absorbed from the gastrointestinal tract. The active ingredient then undergoes extensive metabolism, primarily in the liver.


Q: Are there different forms of Diclofenac-Teva (e.g., gel, tablet, injection)?

Yes, the drug is available in multiple forms for different uses, which is noted in regulatory listings. These include various types of oral tablets (immediate-release, delayed-release, extended-release), topical gels or solutions, and in certain medical settings and jurisdictions, solutions for injection.


Q: Does Diclofenac-Teva work for headaches or migraines?

While the general indication is for acute pain, certain specific formulations of Diclofenac are formally indicated in regulatory documents for the acute treatment of migraine attacks in adults. Its use should always be aligned with the specific formulation and condition being treated.


Q: Is Diclofenac-Teva used for dental pain?

Diclofenac is generally indicated for the management of acute pain that may arise from trauma or surgical procedures. Specific formulations are often noted in regulatory guidance for use in situations like postoperative dental pain.


Q: Does Diclofenac-Teva have a risk of addiction or dependence?

Diclofenac is classified as a Nonsteroidal Anti-Inflammatory Drug (NSAID) and a non-opioid analgesic. Official regulatory documents for this drug do not contain warnings for addiction or dependence, which are typically associated with controlled substance pain medications (opioids).


Q: Does taking Diclofenac-Teva impact fertility?

Based on the way NSAIDs work, the use of this drug may delay or prevent ovulation (the release of an egg) in women. This effect is described in regulatory warnings and is considered to be reversible upon the discontinuation of the medicine. This should be a factor considered by patients who are attempting to conceive.


Q: Does the time of day I take Diclofenac-Teva matter?

Regulatory guidance often provides instructions on timing related to meals and consistency for certain formulations. For example, administration instructions for some regimens may require a specific time gap between doses to maintain consistent levels, or specify morning and evening application for topical forms.


Q: Are there any food restrictions when taking Diclofenac-Teva?

While there are generally no known interactions with specific foods, the instructions for certain formulations are precise. For instance, some oral solution powders are specifically instructed to be taken on an empty stomach, as taking them with food can significantly reduce how well the medicine works.


Q: What is the research evidence for using Diclofenac-Teva in sports injuries?

The medication is broadly indicated for the management of acute pain and inflammation, which covers the symptoms commonly associated with many sports-related injuries. However, sports injuries itself is not typically listed as a specific, dedicated indication on regulatory labels, which focus on medical diagnoses like arthritis or general acute pain.


Q: Is Diclofenac-Teva ever used for muscle spasms?

The primary indications are for the management of pain and inflammation associated with conditions such as arthritis and general acute pain. While muscle spasms themselves are not a formal regulatory indication, the drug is commonly used for the pain and inflammation linked to various musculoskeletal conditions.


Q: Is there a generic version of Diclofenac-Teva?

Yes, regulatory sources confirm that the active ingredient, Diclofenac, is widely available. As such, generic versions of the medication are available in various forms and strengths.

How should Diclofenac-Teva be stored and disposed of?

How to Store and Dispose of Diclofenac-Teva

The storage and disposal of Diclofenac-Teva must strictly follow official regulatory requirements to ensure product stability and safety.


Storage Requirements

Condition Requirement
Temperature Store at Controlled Room Temperature between 20 C and 25 C (68 F and 77 F).
Protection Keep protected from moisture, light, and excessive heat. Do not freeze.
Container Keep the medicine in its original container and ensure the container is tightly closed.
Safety The product must be stored out of the sight and reach of children.

Disposal Instructions

Unused or expired Diclofenac-Teva should not be discarded in household waste or flushed down the toilet. Disposal must comply with local, national, and regional regulations. The product should be returned to a pharmacy or utilized through a medication take-back program for proper pharmaceutical waste handling.

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

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