Voltaren Dolo

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Voltaren Dolo

Quick Facts

Property Description
Active ingredient Diclofenac (typically as the Potassium salt)
Form Coated Tablets (Immediate-release)
Pharmacological class Non-Steroidal Anti-Inflammatory Drug (NSAID)
Common use Symptomatic relief of pain and inflammation
Origin Synthetic (Phenylacetic acid derivative)

What Type of Medicine is Voltaren Dolo?

Voltaren Dolo is a pharmaceutical preparation fundamentally defined as a Non-Steroidal Anti-Inflammatory Drug (NSAID). Its core identity is established by its active substance, Diclofenac, a widely used medicine for pain and inflammation across numerous international markets.

The active compound, Diclofenac, is a synthetic entity that belongs to the Phenylacetic acid derivative class of NSAIDs, distinguishing its chemical structure from compounds like ibuprofen or naproxen. This classification defines its triple mechanism of effect, functioning as an analgesic (pain reliever), an anti-inflammatory agent, and an antipyretic (fever reducer). These properties are utilized for managing discomfort associated with inflammation, such as in cases of acute sprains or muscle strains.

Composition, Form, and General Purpose

The specific formulation of Voltaren Dolo typically utilizes the Potassium salt of the active ingredient, known as Diclofenac Potassium. This salt form is associated with enhanced solubility and a faster rate of absorption from the gastrointestinal tract compared to other Diclofenac salts. This characteristic supports the medicine's role as a product focused on rapid action.

This feature is integral to the product's presentation as an immediate-release coated tablet designed for oral route administration. The focus on rapid absorption is central to its purpose: providing prompt, systemic relief for acute, mild to moderate aches and discomfort. The overall general purpose of this medicine is to interrupt the biological production of pain and inflammation signals through its core inhibitory action, thereby alleviating symptoms of inflammatory distress.

Regulatory References

  1. WHO Essential Medicines List

What side effects are possible with Voltaren Dolo?

Possible Side Effects and Safety Information

Voltaren Dolo (diclofenac) is a Nonsteroidal Anti-inflammatory Drug (NSAID) with a safety profile that includes serious cardiovascular and gastrointestinal risks outlined in regulatory warnings. These risks necessitate the use of the lowest effective dose for the shortest duration possible.


Adverse Reactions and Frequencies

Classification Common Adverse Reactions (1% to 10%) Serious Adverse Reactions (Rare/Very Rare)
Systemic Headache, dizziness, edema (fluid retention). Cardiovascular Thrombotic Events (e.g., myocardial infarction, stroke), Anaphylactic reactions, Severe skin reactions (e.g., Stevens-Johnson syndrome).
Gastrointestinal Abdominal pain, dyspepsia, nausea, diarrhea. Gastrointestinal Ulceration, Bleeding, or Perforation (which can be fatal), Liver failure, Hepatotoxicity.

Safety Restrictions and Monitoring

Formal restrictions state that diclofenac is contraindicated in patients with a history of aspirin/NSAID-related allergy (such as asthma, urticaria, or severe allergic-type reactions), active gastrointestinal bleeding or ulceration, severe heart failure, severe renal failure, and for the treatment of pain right before or after coronary artery bypass graft (CABG) surgery.

Regulatory documents highlight that the risk of serious cardiovascular events may increase with higher doses (particularly 150 mg per day or more) and prolonged use. Caution and close medical monitoring, particularly of blood pressure and renal/hepatic function, are warranted in elderly patients and those with pre-existing cardiovascular risk factors or impaired organ function. Use during the third trimester of pregnancy is also contraindicated due to potential fetal harm.

Overdose and Emergency Response

Overdose and When to Seek Help

This section describes the officially documented clinical manifestations and required emergency actions for an overdose of Diclofenac, based strictly on government regulatory information (P1.1, P1.3).

Individuals who suspect an overdose must seek immediate medical attention or contact emergency services/poison control due to the potential for severe systemic effects.


Documented Overdose Manifestations

Acute ingestion above therapeutic levels may result in non-specific symptoms, with documented manifestations including nausea, vomiting, epigastric pain, headache, drowsiness, dizziness, and tinnitus. Severe intoxications carry the risk of life-threatening complications.

Severe or Life-Threatening Outcomes
Central Nervous System (CNS) Effects: Convulsions, coma, disorientation, and excitation
Systemic Failure: Acute renal failure and hepatic damage (liver damage)
Cardio-Respiratory: Hypotension (low blood pressure) and respiratory depression

Emergency Actions and Management

Official regulatory documents emphasize that no specific antidote for Diclofenac overdose is known (P1.1). Therefore, management is restricted to supportive and symptomatic treatment.

Immediate professional evaluation and intensive supportive medical monitoring are mandated regulatory actions, potentially requiring hospitalization until clinical stability is achieved. Procedures such as gastric decontamination or administration of activated charcoal may be considered by healthcare professionals immediately following acute ingestion.

Regulatory labeling notes that the toxic effects may be exacerbated in patients with pre-existing renal or hepatic impairment.

Therapeutic Uses of Voltaren Dolo

What Voltaren Dolo Treats: Main Uses and Benefits

The primary purpose of this medication is to provide symptomatic relief for acute, mild-to-moderate discomfort and inflammatory conditions, often applied in scenarios where additional symptomatic support is needed. This medication is intended for use in situations where short-term symptom management is appropriate. Its profile is generally relevant for managing groups of symptoms that involve physical discomfort, inflammatory states, and elevated body temperature (fever).


Relief of Acute Musculoskeletal and Soft-Tissue Discomfort

This medicine is applied across domains where additional symptomatic support is needed to address pain, swelling, and tenderness arising from soft-tissue sources. It is commonly used for conditions involving acute or disruptive episodes, such as muscle strains, ligamental sprains, short-term backache, and dental pain. The therapeutic benefit involves offering supportive relief that helps ease the overall symptom burden and may assist with managing symptoms that interfere with daily functioning during periods of temporary discomfort.

Management of Episodic Pain States and General Discomfort

The medication is relevant in settings that involve acute or unstable symptom patterns, such as periods of heightened pain from headaches or recurrent menstrual manifestations (primary dysmenorrhea). Furthermore, it helps address symptom clusters that include fever and generalized aches associated with common cold or flu-like manifestations. Applied in scenarios where temporary assistance is helpful, the medication offers symptomatic relief that helps patients cope during periods of heightened symptoms.


Quick Fact: Symptomatic Support for Acute Discomfort
Primary Focus: Pain, inflammation, and fever
Typical Use: Short-term, episodic conditions like sprains, menstrual cramps, and acute headaches
Benefit: Contributes to easing the overall symptom load

Regulatory References

  1. NIH DailyMed Label for Diclofenac Potassium

Eligibility and Restrictions for Use

This section explains the official population eligibility and non-eligibility rules for Voltaren Dolo (Diclofenac) as documented in government regulatory sources.

Contraindicated Populations

Use is prohibited for patients with:

  • Known hypersensitivity to Diclofenac, aspirin, or other NSAIDs (Non-Steroidal Anti-Inflammatory Drugs).
  • Active gastrointestinal ulceration, bleeding, or perforation.
  • Established congestive heart failure (NYHA Class II–IV), ischemic heart disease, or peripheral arterial disease.
  • The period immediately following Coronary Artery Bypass Graft (CABG) surgery.
  • Severe hepatic or renal failure.
  • The last trimester of pregnancy (from about 30 weeks gestation).

Eligibility and Restrictions

Population Group Regulatory Status
Age Groups Generally permitted for adults and adolescents aged 14 and over. Not recommended for children under 14 due to insufficient data.
Pregnancy Conditional use only during the first and second trimesters, if essential. Prohibited in the last trimester.
Lactation Not recommended for use by breastfeeding women.
Comorbidities Caution and monitoring are required for patients with a prior history of gastrointestinal bleeding or mild to moderate hepatic or renal impairment.

What should I know about interactions with other medicines?

Voltaren Dolo (diclofenac) can interact with a range of other medicines, potentially altering the drug's effectiveness or increasing the risk of serious side effects, particularly gastrointestinal bleeding and kidney problems. It is crucial to inform a healthcare provider or pharmacist about all medications, supplements, and herbal remedies being taken.

Increased Risk of Bleeding and Ulceration

Combining Voltaren Dolo with certain medications can significantly elevate the risk of bleeding in the digestive tract. Avoid concomitant use with other Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), including aspirin (even at low doses for heart protection), ibuprofen, and naproxen. Other drugs that increase this risk include:

  • Anticoagulants (blood thinners) such as warfarin, apixaban, and rivaroxaban.
  • Antiplatelet agents (e.g., clopidogrel).
  • Corticosteroids (e.g., prednisone).
  • Selective Serotonin Reuptake Inhibitors (SSRIs) and Serotonin-Norepinephrine Reuptake Inhibitors (SNRIs).

Potential for Other Serious Interactions

Diclofenac may also interact with drugs affecting blood pressure and kidney function. Caution and monitoring are needed when taken with:

Medicine Type Potential Interaction
Diuretics (water pills) and ACE inhibitors/ARBs (blood pressure medicines) May decrease their effectiveness and increase the risk of kidney damage.
Lithium Can increase lithium levels, leading to toxicity.
Methotrexate Can increase methotrexate levels, leading to toxicity.
Ciclosporin/Tacrolimus Increased risk of damage to the kidneys.

It is generally considered safe to take diclofenac with acetaminophen (paracetamol).

Mechanism of Action

Inhibiting the Prostaglandin Synthesis Pathway

This section explains the drug's primary action: its ability to inhibit the cyclooxygenase (COX) enzymes, specifically COX-1 and COX-2. By blocking these enzymes, the drug prevents the necessary chemical conversion to produce prostaglandins, which are potent biological messengers. This mechanism of action is central to modulating the key pathway associated with many heightened physiological responses.


Modulating Localized Tissue Signaling

This domain describes the downstream effect of reduced prostaglandin production on local tissues. The drug's mechanism leads to a reduction in the overall concentration of chemical signaling in the periphery, which affects the sensitization of peripheral nerves and the local vascular response. This action alters the state within the targeted physiological pathways and leads to a modification of downstream physiological responses.

Dosage and Administration Information

The medicine is for oral administration as an immediate-release coated tablet, typically in a 50 mg strength. The overarching principle of use is the administration of the lowest effective dose for the shortest duration possible. This indicates that use is primarily for managing acute, temporary symptom episodes rather than long-term maintenance.


Dosing and Administration

Instruction Entity Parameters
Dosing Schedule For acute pain, the standard dose is 50 mg taken two to three times daily in divided doses. A single initial dose of 100 mg may be used to initiate treatment. The maximum daily intake for acute pain generally should not exceed 150 mg.
Timing in Relation to Food The tablets may be taken with or without food. Administration alongside food may cause a slight delay in the onset of action but does not significantly affect the extent of drug absorption.
Preparation Requirements The immediate-release coated tablet is swallowed whole with a liquid and is not intended to be chewed, crushed, or cut.
Population Adjustments Dosing adjustment is generally not necessary for patients with mild to moderate renal dysfunction.

Administration Protocol

The administration protocol is structured around divided daily dosing at specific intervals to manage pain and inflammation during a limited, short-term course. This framework governs the frequency of intake and the adherence to the specified maximum dose. Swallowing the intact tablet ensures the oral formulation’s intended absorption characteristics are preserved during the process.

Recent Clinical Evidence

Voltaren Dolo: Recent Clinical Evidence

This section summarizes the published research regarding diclofenac potassium, the active component in Voltaren Dolo, focusing on its use for pain and inflammation. The body of evidence primarily consists of meta-analyses and randomized controlled trials (RCTs).


Efficacy in Acute Pain

Research has consistently evaluated diclofenac potassium for the symptomatic management of various types of acute pain, including dental pain, post-operative pain, and musculoskeletal injuries. The compound is designed for rapid absorption, which is intended to allow for a quick onset of action.

Key studies have assessed outcomes based on standard pain scales and patient-reported measures over short treatment durations, typically ranging from a single dose up to seven days. Findings have commonly reported an observed effect on reducing pain intensity compared to placebo, especially in the first few hours following administration.


Safety Profile and Tolerability

Clinical data on diclofenac potassium emphasize short-term use. The safety profile has been documented across multiple clinical settings, with studies examining the frequency of adverse events. As with all nonsteroidal anti-inflammatory drugs (NSAIDs), specific attention is paid to potential effects on the gastrointestinal and cardiovascular systems. Observational data gathered from post-marketing surveillance contribute to the long-term understanding of its general tolerability when used as directed.

Research Focus Study Design Used
Pain Intensity Reduction Randomized Controlled Trials (RCTs)
Onset of Effect Pharmacokinetic Studies
Tolerability Post-marketing Surveillance

Key Studies & References NICE Guideline NG19: Low back pain and sciatica in over 16s: assessment and management.

Frequently Asked Questions (FAQ)

Common questions about Voltaren Dolo (FAQ)

Q: What is the maximum daily dosage of this medicine for an adult?

Official prescribing information states the maximum recommended daily dosage for adults. This limit is defined as a specific milligram amount to be taken over a 24-hour period. The maximum recommended amount is documented in the official prescribing information, which serves as a guide for safe usage.


Q: Does this medicine cause drowsiness or make you sleepy?

Regulatory documents indicate that this medicine may affect your ability to drive or operate complex machinery. This warning is often related to potential central nervous system effects, which can include feeling sleepy or drowsy (somnolence). Official product information suggests that individuals should assess how the medicine affects them before participating in activities requiring full attention.


Q: Can I take this medicine with alcohol?

The official warning in the prescribing information specifies that alcohol consumption should be avoided while taking this medicine. This is due to the potential for a specific interaction, such as an increased risk of specific side effects or enhanced sedation. This is an important precaution noted in the official prescribing documentation.


Q: What is the correct way to store this medicine?

The official product monograph provides the necessary instructions for maintaining product integrity. Instructions require that the product must be stored at room temperature, typically between 20°C and 25°C. It is also noted that the medicine should be protected from excessive moisture or direct heat.


Q: What are the contraindications for taking this drug?

Regulatory documents from bodies like the TGA list the specific medical conditions or situations where the medicine should not be used. This medication is formally contraindicated for patients who have a known allergy (hypersensitivity) to the active substance or its inactive ingredients. It is also contraindicated if an individual has a history of certain severe medical conditions, and these specific conditions are fully detailed within the official product documentation.

How should Voltaren Dolo be stored and disposed of?

Storing and Disposing of Voltaren Dolo (Diclofenac Potassium)

The official storage and disposal requirements for diclofenac potassium tablets are mandated to maintain product stability and ensure safety.


Storage Requirements

Condition Requirement
Temperature Store at controlled room temperature, 20 C to 25 C (68 F to 77 F).
Protection Must be protected from moisture.
Packaging Keep the product in its original container and ensure it is tightly closed.
Child Safety Store the medicine out of the reach and sight of children.

Disposal Instructions

Unused or expired medication must be handled according to regulatory guidance. The preferred method for disposal is through an official drug take-back program or collection site. If a take-back program is unavailable, the medicine may be mixed with an unpalatable substance (like dirt or coffee grounds), sealed in a container, and discarded in the household trash. The product should not be flushed down a toilet unless explicitly instructed by official health authorities.

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

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