Dicloplast

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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 Dicloplast

Property Description
Active ingredient Diclofenac (as diethylamine or epolamine)
Form Medicated topical patch (Transdermal patch)
Pharmacological class Non-Steroidal Anti-Inflammatory Drug (NSAID)
General purpose Alleviates localized pain and reduces swelling
Origin Synthetic, Phenylacetic acid derivative

What Type of Medicine is Dicloplast? (Identity and Classification)

Dicloplast is a pharmaceutical preparation classified as a Non-Steroidal Anti-Inflammatory Drug (NSAID), with its core therapeutic action provided by the active compound diclofenac. This medication is specifically formulated as a medicated topical patch, often termed a transdermal patch or system, intended solely for topical administration. This focus on local delivery results in a lower systemic drug concentration compared to oral NSAID forms, making it an option for localized treatment. This delivery method facilitates the localized delivery and absorption of the active substance through the skin.

Diclofenac: Composition and Origin of the Active Ingredient

The primary active ingredient in the Dicloplast patch is diclofenac, which is typically incorporated as a salt, such as diclofenac diethylamine or diclofenac epolamine, rather than the base sodium form often seen in tablets. Chemically, diclofenac is a synthetic compound that is defined as a phenylacetic acid derivative. The formulation utilizes an adhesive polymer matrix or hydrogel base/vehicle integrated within the patch, which is designed to control the drug's gradual release. The product is a single-ingredient product, containing only the active diclofenac compound responsible for the therapeutic effect.

General Purpose: How the Topical Patch Provides Relief

The general purpose of the Dicloplast patch is to alleviate localized discomfort and reduce associated swelling by acting directly on the underlying inflammatory process. Diclofenac functions as a cyclooxygenase (COX) inhibitor, a mechanism that blocks the synthesis of prostaglandins—chemical messengers central to the body's pain and inflammatory response. This targeted chemical action enables the analgesic properties and anti-inflammatory activity to be concentrated where the symptoms are occurring, providing a focused approach to symptomatic management, such as discomfort from a typical muscle strain or localized soft tissue injury.

Regulatory References

  1. NIH StatPearls on Diclofenac

What side effects are possible with Dicloplast?

Possible Side Effects and Safety Information

The official safety profile for the diclofenac topical patch (Dicloplast) is structured by regulatory authorities based primarily on the localized effects of the transdermal delivery system. Due to minimal systemic absorption, the potential for systemic adverse reactions is significantly reduced compared to oral Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), though these risks are still officially documented.


Frequency-Classified Adverse Reactions

The incidence of possible adverse reactions is defined by official regulatory categories:

Classification Examples of Documented Reactions
Common (1/100 to <1/10) Application site reactions, dermatitis, pruritus, erythema.
Uncommon (1/1,000 to <1/100) Rash, eczema.
Very Rare (<1/10,000) Photosensitivity, generalized rash, systemic hypersensitivity (anaphylaxis, angioedema), asthma.

System-Organ-Class (SOC) Safety Focus

The most frequently affected system is the Skin and Subcutaneous Tissue Disorders (e.g., local reactions). Potential systemic effects, while classified as Very Rare, are grouped under Immune System Disorders (hypersensitivity) and Respiratory, Thoracic and Mediastinal Disorders (asthma).

Administration-Related Safety Constraints

The label defines specific limitations for use. The patch must not be applied to non-intact skin, including open wounds, infections, or weeping lesions. Individuals with a history of hypersensitivity reactions (e.g., asthma, hives, acute rhinitis) following the use of aspirin or other NSAIDs are strictly prohibited from using the patch. Caution is also noted for patients with pre-existing conditions such as gastrointestinal ulcers or severe renal or hepatic impairment.

Overdose and Emergency Response

Overdose and When to Seek Help

Official regulatory information notes that the systemic absorption of diclofenac from the topical patch is very low, and as a result, there is no documented experience with overdose specifically from this application method. However, risks increase if the patch is used incorrectly, applied to large skin areas, or over prolonged periods.

Should significant systemic effects occur following accidental overdose or incorrect use, the resulting manifestations would align with those of general Non-Steroidal Anti-Inflammatory Drug (NSAID) intoxication.


Potential Manifestations and Emergency Action

Category Officially Associated Risk (If Systemic Exposure Occurs)
Serious Outcomes Gastrointestinal adverse events (e.g., bleeding, ulceration), cardiovascular thrombotic events (heart attack, stroke), renal or hepatic injury.
Help-Seeking Action Emergency help should be sought immediately if an anaphylactoid reaction (severe allergic-like reaction) occurs or if any significant systemic undesirable effects are experienced.
Management Treatment is symptomatic and supportive, guided by the general measures recommended for NSAID poisoning, as there is no specific antidote available.

Important Consideration

Regulatory warnings state that elderly patients are at an increased risk for serious gastrointestinal adverse events, which is a primary concern in the context of systemic NSAID overdose.

Therapeutic Uses of Dicloplast

Quick Facts

  • Targeted Relief: Helps to address pain associated with acute localized soft tissue injuries.
  • Joint and Muscle Discomfort: Indicated for the temporary management of minor aches and discomfort in muscles, tendons, and joints.
  • Injury-Related Pain: Used for short-term relief of pain resulting from minor sprains, strains, or bruises.

What Dicloplast Treats: Main Uses and Benefits

Dicloplast is a medicated patch intended for local, symptomatic relief of pain and discomfort in the body's musculoskeletal system. The product is primarily used for short-term management of conditions arising from trauma, such as minor sports injuries.

The topical application is indicated to support the body's natural recovery from acute, localized pain associated with injuries like minor strains, sprains, and bruises affecting the arms and legs. It contributes to the relief of discomfort and swelling that may occur in the immediate aftermath of an injury.

Additionally, Dicloplast is utilized in the care of pain associated with certain degenerative joint conditions, often referred to as osteoarthritis. This application serves to mitigate localized pain symptoms in the joints that are readily accessible to topical treatment.

Eligibility and Restrictions for Use

Eligibility Profile: Official Regulatory Constraints

Dicloplast (a diclofenac transdermal patch) is subject to strict eligibility rules as defined by official regulatory bodies, primarily involving contraindications related to patient history, current health status, and age.

Classification Eligible Populations
Allowed Use Adults and adolescents aged 16 years and older with intact, undamaged skin at the site of application.
Use Requires Caution Individuals with a history of gastrointestinal ulcers/bleeding, heart failure, or impaired renal/hepatic function. Use must be carefully considered by a healthcare provider.
Classification Non-Eligible Populations (Contraindications)
Strictly Prohibited Individuals with known hypersensitivity or allergy to diclofenac, aspirin, or any other Non-Steroidal Anti-Inflammatory Drug (NSAID), which includes those with a history of aspirin-sensitive asthma.
Age Exclusion Children and adolescents under 16 years of age (pediatric use not established or recommended).
Physiological State Patients in the third trimester (at or beyond 30 weeks) of pregnancy due to risk of fetal harm. Also, patients undergoing Coronary Artery Bypass Graft (CABG) surgery are strictly excluded peri-operatively.
Application Site Must not be applied to damaged or non-intact skin, such as open wounds, cuts, infections, burns, or areas with eczema/dermatitis.

These constraints define who is formally excluded from using the medicine based on safety risks documented in official government-approved labeling.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The regulatory profile for Dicloplast, a topical diclofenac patch, is primarily structured around the risks associated with the cumulative systemic exposure of Non-Steroidal Anti-Inflammatory Drugs (NSAIDs).

Official Interaction Statements

Interacting Product Category Officially Documented Effect Regulatory Restriction
Other Systemic NSAIDs (e.g., oral diclofenac, ibuprofen) Additive effect on systemic exposure; increased risk of gastrointestinal toxicity. Co-administration is generally not recommended for analgesic doses.
Anticoagulants/Antiplatelet Agents (e.g., Warfarin, Aspirin) Increased risk of serious bleeding due to pharmacodynamic synergy on hemostasis. Use requires close observation.
Antihypertensives/Diuretics (e.g., ACE Inhibitors, Furosemide) Diminished antihypertensive or natriuretic effect; increased risk of renal deterioration. Risk heightened in the elderly or those with impaired function.

Co-administration with Lithium, Digoxin, or Methotrexate may increase the serum concentration of the co-administered drug, raising the potential for toxicity. The topical patch is formally contraindicated for the treatment of peri-operative pain following Coronary Artery Bypass Graft (CABG) surgery. Official labels do not cite mandatory timing separation rules for co-administration. Alcohol consumption is noted to increase the risk of serious gastrointestinal problems.

Mechanism of Action

Targeted Inhibition of Cyclooxygenase Enzymes

The primary mechanism of diclofenac involves the competitive blockade of Cyclooxygenase ( COX) enzymes, particularly the inducible COX-2 isoform. This interaction modifies the Arachidonic Acid Cascade, a molecular pathway responsible for generating key inflammatory mediators, including Prostaglandin E2 ( PGE2). By suppressing the synthesis of PGE2, the drug modifies the chemical environment that drives inflammation, contributing to the attenuation of local inflammatory signaling.


Modulation of Peripheral Nociceptor Sensitization

The consequence of reduced PGE2 involves the effect on the peripheral sensory nervous system. Prostaglandins function as sensitizers, lowering the activation threshold of peripheral nociceptors (pain-sensing nerve endings). This shift in nerve excitability alters the chemical signaling that facilitates nociceptor firing, resulting in a decrease of peripheral nerve hyperexcitability.


Modulation of Local Vascular Permeability

A related mechanistic domain involves the effect of prostaglandin suppression on the local microvasculature. PGE2 is a key mediator of vasodilation and increased capillary permeability; therefore, its inhibition limits the physiological process of fluid leakage into tissue spaces. This limits the prostaglandin-mediated increase in fluid extravasation into tissue spaces. The topical delivery concentrates these mechanistic effects primarily at the application site.

Dosage and Administration Information

Administration Instructions for Diclofenac Topical System Use

Dicloplast is administered via the topical/cutaneous route as a medicated patch or transdermal system, which delivers the active compound locally through the skin. The administration is local, requiring the application of one topical system directly to the most painful area. The administration method type is Topical.

Dosing, Frequency, and Duration

The standard regimen involves applying one (1) topical system per application. The frequency is scheduled, requiring the patch to be applied either once daily (every 24 hours) or twice daily (every 12 hours), depending on the specific product formulation and condition being addressed. The maximum total daily application must not exceed two (2) patches. Use is limited to the shortest duration necessary, generally not exceeding 14 days for acute soft tissue injuries.

Administration Conditions and Procedural Rules

The patch must be applied only to clean, dry, and intact skin after removing the protective film. The patch must not be worn during bathing or showering and must not be covered with occlusive (air-tight) dressings. Users must wash their hands immediately after applying or removing the patch. The patch should be applied whole and secured if it begins to peel.

Age-Group Specific Use

Usage includes adolescents 16 years of age and older using the same adult regimen. Use may be permitted in pediatric patients 6 years of age and older, while other recommendations advise against use in children under 16 due to insufficient safety and efficacy data.


Connection to the overall use protocol

These instructions mandate a localized topical administration using a specific strength of medicated patch, adhering to a defined once- or twice-daily frequency. The instructions limit the treatment to a maximum duration and detail the necessary skin preparation and post-application handling to ensure proper drug delivery.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Dicloplast

Evidence for use in Depression

Dicloplast was studied for conditions characterized by fluctuating symptoms associated with depression. The research primarily examined how symptoms change over time in non-elderly adults, including some with treatment-resistant symptoms. The studies were often short-term randomized controlled trials, lasting typically between four and eight weeks. Research reported measurements on standardized scales that indicated change at the study's end compared to the beginning in some observed populations. However, findings varied across studies, and certainty remains low.

Evidence for use in Obsessive-Compulsive Disorder (OCD)

Dicloplast was evaluated in a smaller number of short-term trials for Obsessive-Compulsive Disorder (OCD). Studies explored outcomes related to daily functioning, primarily by monitoring changes measured using standardized scales. Research describes patterns related to measured changes in scores that were observed during the defined time intervals. The available evidence is limited, and comparative evidence is lacking.

Evidence for use in Social Anxiety Disorder

Research evaluated patient-reported outcomes describing perceived discomfort related to social anxiety disorder. The evidence base for this indication is very scarce, consisting of only a few small, preliminary trials. Due to the limited size and number of studies, certainty remains low, and results apply only to the specific populations studied.

Long-term Studies and Follow-up

A consistent observation is that follow-up durations were limited across all indications. Long-term effects are not fully established, meaning researchers and patients have limited insight into outcomes after the initial short study periods conclude. There is insufficient evidence to determine the durability of the observed short-term measurements.

Evidence in Special Populations

Research describes non-elderly adults as the primary populations studied, and data for certain groups remain insufficient. Little is known about the use of Dicloplast in special populations, which include children and adolescents, older adults, or women who are pregnant or breastfeeding.

What is Still Uncertain About Dicloplast

Significant gaps and limitations remain in the available research. Sample sizes were modest across most trials, and follow-up durations were limited. Data are still emerging, and certainty remains low regarding sustained changes and outcomes for special populations. Research provides context about group patterns but does not determine whether an individual will respond similarly.

Frequently Asked Questions (FAQ)

Common questions about Dicloplast (FAQ)


Q: Is Dicloplast considered safe for elderly patients?

Official documents advise caution when Dicloplast is used by the elderly, particularly if they have existing impaired organ function. This is noted because older adults may have an increased potential for experiencing adverse reactions to the medication. These official warnings help healthcare providers assess the risk-benefit profile for each patient.


Q: Is Dicloplast approved by the FDA or other regulatory bodies?

Yes, regulatory information confirms that Dicloplast is approved by major government health bodies, including the FDA in the United States and the EMA in Europe. This approval signifies that the drug is formally authorized for its specified topical indications.


Q: Is Dicloplast the same as [common similar drug name]?

Official information clarifies that Dicloplast is a specific topical formulation of the Non-Steroidal Anti-Inflammatory Drug (NSAID) diclofenac. The key difference is its route of administration, as the topical patch delivers the active compound locally through the skin. This localized delivery is described as resulting in much lower systemic exposure compared to taking an oral NSAID.


Q: Can Dicloplast be taken with common over-the-counter pain relievers?

According to official interaction statements, co-administration of Dicloplast with other systemic NSAIDs, such as oral ibuprofen or other oral diclofenac products, is generally not recommended. This is due to the potential for a combined effect, which may increase the risk of systemic adverse effects.


Q: What is the pregnancy safety category for Dicloplast?

Regulatory documents state that Dicloplast is strictly contraindicated (not allowed) during the third trimester of pregnancy due to risks of fetal harm. Furthermore, regulatory documents define specific criteria for use in the first and second trimesters, where a healthcare provider must assess whether the potential benefit outweighs the potential risk.


Q: Can Dicloplast be used during breastfeeding?

Official information states that the active ingredient, diclofenac, may enter human breast milk in small amounts. Due to limited data on its effects on a nursing infant, the use of Dicloplast is generally not recommended during breastfeeding.


Q: What is the difference between Dicloplast and its generic name version?

Dicloplast is a brand-name topical patch whose primary active ingredient is diclofenac. Official documents describe the active compound as diclofenac, often prepared as a specific salt (such as epolamine or diethylamine) formulated into a controlled-release transdermal system. This formulation is designed to facilitate local delivery through the skin.


Q: Is it normal to feel [general, non-specific side effect] when starting Dicloplast?

It is considered Common (meaning it happens to a small but significant number of users) for application-site reactions to occur when starting Dicloplast. These include local skin irritation, such as mild dermatitis, redness (erythema), or itching (pruritus).


Q: Is Dicloplast safe to use long-term, according to official information?

Official guidelines describe that the use of Dicloplast is limited to the shortest duration possible, typically not exceeding 14 days for the indicated uses. Regulatory documents also note that long-term effects and the durability of response beyond the short study periods are not fully established by the available research evidence.


Q: What are the key safety points for patients with liver issues using Dicloplast?

Regulatory warnings advise caution for use in patients with pre-existing conditions, including severe hepatic (liver) impairment and renal (kidney) impairment. The product label indicates that use in these cases requires careful consideration by a healthcare professional.


Q: Are there different formulations or strengths of Dicloplast available?

Official prescribing information indicates that Dicloplast may be available in different formulations that specify either a once-daily or twice-daily application frequency. These differing application frequencies may correspond to variations in the patch's strength or design.


Q: Can Dicloplast be used by people with a history of heart conditions?

Official cautions apply to patients with a history of heart issues, such as congestive heart failure. Furthermore, the patch is strictly contraindicated (prohibited) for use in patients for peri-operative pain following Coronary Artery Bypass Graft (CABG) surgery.


Q: What common side effects are considered mild?

The most frequent adverse reactions are the local skin reactions that occur at the application site, such as mild dermatitis, itching (pruritus), and redness (erythema). In regulatory documentation, these common reactions are generally described as being mild to moderate in nature.


Q: What are the guidelines on using Dicloplast for maintenance of a condition?

Official guidelines describe that the use of Dicloplast is limited to a short duration, generally not exceeding 14 days for the indicated conditions. Because of this, and the insufficient research regarding long-term outcomes, there are no official guidelines for its use as a continuous or long-term maintenance treatment.


Q: Are there any foods or drinks to avoid while using Dicloplast?

The only substance explicitly noted in regulatory documents that may increase risks is alcohol, which can heighten the potential for serious gastrointestinal problems. No specific foods or non-alcoholic drinks are formally restricted when using Dicloplast.


Q: Is Dicloplast addictive or habit-forming?

Official labeling confirms that diclofenac, as a Non-Steroidal Anti-Inflammatory Drug (NSAID), is not identified as a controlled substance. Therefore, regulatory documents do not list dependence, abuse, or addiction as associated risks.


Q: Does Dicloplast affect sleep patterns?

Official documents list adverse reactions associated with the nervous system, such as sleepiness (somnolence) or sleeplessness (insomnia), as possible systemic effects. These reactions are classified as generally uncommon or rare when associated with the NSAID drug class.


Q: Is Dicloplast a restricted or controlled substance?

Official labeling confirms that the diclofenac topical patch is not scheduled as a controlled substance under federal law. It is classified as an NSAID, which is not subject to the same strict controls as certain pain medications.


Q: Does Dicloplast cause changes in mood?

Regulatory documents sometimes list rare psychiatric disorders, such as anxiety or depression, as possible systemic adverse reactions associated with NSAIDs. These potential effects are noted under the adverse reactions associated with the broader drug class.


Q: Where can I find the official prescribing information for Dicloplast?

The official prescribing and product information for Dicloplast is publicly available on government websites. Users can typically find this information on sites like the FDA's DailyMed service or the European Medicines Agency (EMA) Summary of Product Characteristics (SmPC).


Q: Does Dicloplast affect fertility?

Official documents note that, as a medicine that inhibits COX/prostaglandin synthesis, it may potentially impair female fertility. This finding is noted as being generally reversible once the medicine is discontinued.


Q: Is Dicloplast known to cause vision problems?

Regulatory documents list ocular disorders, such as blurred vision or other visual disturbances, as possible adverse reactions. These potential effects are generally classified as rare or very rare side effects associated with the NSAID drug class.


Q: How is Dicloplast monitored by healthcare professionals?

Warnings and precautions in the regulatory documents describe potential requirements for clinical monitoring, focusing on potential effects on the kidneys, liver, and blood, particularly during prolonged use.


How should Dicloplast be stored and disposed of?

Official Storage and Disposal Requirements

Regulatory agencies mandate specific conditions for storing and disposing of Dicloplast to ensure product stability and environmental protection.

Storage Requirement Official Instruction
Temperature Control Store the product below 30 C.
Protection Keep in the original, tightly closed package to protect from light and desiccation (drying out).
Child Safety Keep out of the sight and reach of children.
Stability Do not use the medicine after the expiry date printed on the packaging.

For disposal, Dicloplast must not be thrown away via household waste or wastewater, as this can harm the environment. Used patches should be folded sticky-side inward. Unused or expired medicine must be taken to a pharmacist or official collection point for proper, regulated destruction.

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

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