Galedol

Quick links to important sections

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 Galedol

Quick Facts

Property Description
Active ingredient Diclofenac (often as Diclofenac Sodium)
Form Tablets, Injection Solution, Suppositories, Topical Gel
Pharmacological class Nonsteroidal Anti-inflammatory Drug (NSAID)
General purpose Relief of pain, inflammation, and fever
Origin Synthetic compound (Phenylacetic acid derivative)

What is Galedol?

Galedol is a prescription-only medicinal product that functions as a powerful agent for managing discomfort, based on its classification as a Nonsteroidal Anti-inflammatory Drug (NSAID). The medicine's effect is fundamentally based on the activity of its single active ingredient, Diclofenac, which is a synthetic compound belonging to the Phenylacetic acid derivative class. This classification is based on its established effectiveness as a widely utilized agent for comprehensive symptom control.


What Type of Medicine is Galedol and Its Core Ingredient?

Galedol's core function is mediated through its ability to block the production of prostaglandins, which are key chemical substances that trigger pain, inflammation, and fever in the body. Diclofenac, like other NSAIDs, works by reducing substances in the body that cause these symptoms. This means the medication is clinically recognized for directly interfering with the body's inflammatory response rather than simply addressing the sensation of pain. Its chemical composition makes it a potent cyclooxygenase (COX) inhibitor, a key factor in its consistent anti-inflammatory, analgesic, and antipyretic effects.


Galedol's Composition and Available Forms

The composition of Galedol is defined by its sole active component, Diclofenac (typically as Diclofenac Sodium), combined with various pharmaceutical excipients appropriate for its form. It is supplied in a versatile range of pharmaceutical preparations, including various oral tablets (immediate and delayed-release), solutions for injection, and topical gels. This wide spectrum of forms is a differentiating factor, offering diverse routes of administration—specifically parenteral (injection), oral, rectal, and topical—providing essential flexibility for healthcare providers to target the medication either systemically throughout the body or locally to a specific site of concern.


General Purpose: Analgesic, Anti-inflammatory, and Antipyretic

The general therapeutic purpose of Galedol is characterized by its triple-action effect: it serves as an analgesic (pain-reliever), an anti-inflammatory agent, and an antipyretic (fever reducer). This combination of verified actions means that Galedol serves to effectively mitigate the core discomfort and physical manifestations associated with inflammatory conditions, such as acute joint discomfort or muscle swelling. Its principal benefit is to help resolve the underlying biological processes that contribute to pain and swelling, acting as a foundational agent in managing a broad spectrum of acute and chronic discomfort.

Regulatory References

  1. WHO Model Lists of Essential Medicines
  2. Drugs.com, NIH

What side effects are possible with Galedol?

Possible Side Effects and Safety Information

The safety profile for Galedol is formally documented by regulatory authorities (such as the EMA and FDA) and categorized by the frequency of adverse reactions and the System-Organ Class (SOC) affected.


Frequency-Classified Adverse Reactions

The following are examples of adverse reactions reported in regulatory documentation, grouped by frequency of occurrence:

Frequency Examples of Reported Reactions (by System-Organ Class)
Very Common (ge 1/10) Headache (Nervous system disorders), Gastrointestinal pain (Gastrointestinal disorders)
Common (ge 1/100 to <1/10) Nausea (Gastrointestinal disorders), Rash (Skin and subcutaneous tissue disorders), Dizziness (Nervous system disorders)
Uncommon (ge 1/1,000 to <1/100) Hypersensitivity reactions (Immune system disorders), Elevated liver enzymes (Hepatobiliary disorders)

Serious Adverse Reactions

Official regulatory sources identify specific events as serious adverse reactions due to their potential clinical significance. These include fatal and non-fatal thrombotic events (e.g., myocardial infarction, stroke) and serious gastrointestinal events (e.g., bleeding, ulceration, or perforation). Severe dermatological reactions (e.g., Stevens-Johnson syndrome) and hepatic reactions are also documented as rare but serious concerns.


Safety Restrictions and Risk Factors

Use of Galedol is subject to specific safety restrictions and limitations based on the official product label. The drug is contraindicated in patients with established cardiovascular disease (e.g., severe heart failure, ischaemic heart disease) and in the setting of coronary artery bypass graft (CABG) surgery. A risk of serious cardiovascular thrombotic events may increase with dose and duration of use, a pattern explicitly noted in regulatory documents. Caution and appropriate clinical monitoring are required for elderly patients and those with pre-existing risk factors for gastrointestinal or cardiovascular disease.

Overdose and Emergency Response

Overdose and when to seek help — Official Regulatory Information for Galedol

This information is derived exclusively from governmental regulatory documents and outlines the officially documented presentation and required actions for a Galedol (Diclofenac) overdose.

Domain Official Regulatory Statement
Documented Overdose Presentations Neurological: Lethargy, drowsiness, tinnitus, convulsions (seizures), coma, and respiratory depression. Gastrointestinal: Nausea, vomiting, epigastric pain, and bleeding (hematemesis, melena).
Physiological Systems Affected Central Nervous System (CNS), Gastrointestinal (GI) tract, Renal system (Acute Renal Failure), Hepatic system (Acute Hepatitis/Liver damage), and Cardiovascular system (Hypotension).
Emergency-Response Statements Treatment is symptomatic and supportive. No specific antidote is known. Monitoring of vital signs, renal function, and liver function is required.
When immediate medical help is required Seek immediate medical attention or contact emergency services immediately upon known or suspected overdose.

Official Overdose Profile Structure

Official regulatory documents define overdose as a potential risk for severe and life-threatening outcomes, including acute organ failure and CNS depression. Due to the explicit statement that no specific antidote is known, regulatory guidance mandates that intervention is limited to symptomatic and supportive treatment. The official profile also notes that patients with pre-existing renal or hepatic impairment may be at a higher risk for developing severe systemic toxicity following an overdose.

Therapeutic Uses of Galedol

What Galedol Treats: Main Uses and Benefits

Galedol provides comprehensive symptomatic support across therapeutic domains where short-term assistance is appropriate when symptoms interfere with daily functioning. Its use is relevant in clinical settings that involve acute or unstable symptom patterns.

The medication is commonly used across conditions presenting with inflammatory or irritative states, such as Rheumatoid Arthritis, Osteoarthritis, and Ankylosing Spondylitis. It is also applied in addressing acute pain from minor sprains, strains, or post-operative discomfort, and is relevant for easing episodic symptoms, such as primary dysmenorrhea (menstrual cramps) and migraine attacks.

The core purpose is to ease the patient's overall symptom burden during periods of heightened discomfort. It is relevant for easing symptoms related to physical discomfort, supporting day-to-day comfort and stability. This application provides symptomatic relief that helps patients cope more steadily with these episodes, assisting with maintaining functional stability during temporary physiological imbalance.

Quick Fact: Relief for Inflammation and Pain
Relevant Context: Symptomatic support for chronic inflammatory conditions and acute musculoskeletal injuries.
Key Symptom Axes: Symptoms related to physical discomfort (pain/swelling) and systemic imbalance (fever).
Patient Benefit: Helps patients cope more steadily with symptom fluctuations, contributing to improved comfort.

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Galedol — Official Regulatory Information

Galedol (Diclofenac) is strictly contraindicated in specific populations due to severe risks identified by regulatory agencies (e.g., FDA, EMA). Use is prohibited for individuals with known hypersensitivity to any Nonsteroidal Anti-inflammatory Drug (NSAID) or with a history of allergic-type reactions like asthma or urticaria after taking aspirin or other NSAIDs.


Eligibility Scope

Classification Rule Summary (Official Labeling Basis)
Populations for whom use is contraindicated Patients with established Ischaemic Heart Disease, Peripheral Arterial Disease, Cerebrovascular Disease, or Congestive Heart Failure (NYHA Class II-IV). Use is also prohibited in the setting of Coronary Artery Bypass Graft (CABG) surgery, for those with an active gastrointestinal ulcer, bleeding, or perforation, and during the third trimester of pregnancy (starting at 30 weeks gestation).
Age-related eligibility rules Most formulations are approved for adults. For children (pediatric use), safety and efficacy are not established below specific age cut-offs (e.g., typically 12 years for certain oral forms). Older adults may require caution due to increased risk of age-related renal or gastrointestinal issues.
Condition-specific eligibility rules Avoid use in patients with advanced renal disease or after a recent Myocardial Infarction (MI) unless the benefit is determined to outweigh the risk. Use is contraindicated in severe liver failure.
Pregnancy and lactation eligibility Contraindicated in the third trimester of pregnancy. Not recommended during lactation, as the active ingredient is excreted in human milk.

Connection to the Overall Eligibility Profile

The eligibility profile is defined by government regulatory documents that establish mandatory boundaries for use. These rules impose absolute contraindications in specific high-risk scenarios, such as certain cardiovascular diseases and late-stage pregnancy, thereby structurally defining the populations who must not use the medicine. For other groups, like those with organ impairment, the label mandates restricted or conditional use based on the severity of the underlying health status.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory information for Galedol (Diclofenac) identifies several categories of interacting substances, ranging from formal prohibitions to combinations that require careful monitoring.

Classification Official Regulatory Documentation
Contraindicated Combinations Formally prohibited for use in the setting of peri-operative pain following CABG surgery and in patients with a history of asthma, urticaria, or allergic reactions after taking aspirin or other Nonsteroidal Anti-inflammatory Drugs (NSAIDs).
Exposure-Altering Interactions The co-administration of CYP2C9 inhibitors (such as Voriconazole) can significantly increase Diclofenac systemic exposure (Cmax and AUC).
Pharmacodynamic Interactions Combined use with Anticoagulants (e.g., Warfarin), Antiplatelet agents, or SSRIs carries a documented synergistic risk of serious gastrointestinal bleeding.
Clearance-Modifying Effects Galedol may reduce the renal clearance of drugs, leading to elevated plasma concentrations and increased toxicity risk for substances such as Lithium and Methotrexate.

Official labeling also notes that the combination with ACE Inhibitors or ARBs may diminish their intended effects and increases the risk of renal function deterioration, particularly in vulnerable patients like the elderly or those who are volume-depleted. Furthermore, the regulatory label advises against concurrent use with alcohol due to the enhanced risk of gastrointestinal bleeding. These constraints establish the product's official interaction profile.

Mechanism of Action

Galedol (diclofenac) functions primarily as a non-selective inhibitor of the cyclooxygenase (COX) enzymes, COX-1 and COX-2. It acts by competitively binding to the active sites of these enzymes, preventing the conversion of arachidonic acid into prostanoids. The resulting inhibition of the COX pathway leads to a significant intracellular decrease in the synthesis of pro-inflammatory mediators, including prostaglandin E2 ( PGE2), prostacyclins, and thromboxanes. Arachidonic Acid xrightarrow COX-1/2 Inhibition Prostaglandins Furthermore, Galedol exhibits additional, non-COX-dependent actions. It can modulate the release and reuptake of arachidonic acid and inhibit lipoxygenase enzymes. The drug also engages the L-arginine/nitric oxide (NO)/cGMP pathway, leading to the activation of ATP-sensitive potassium channels. System-level consequences involve the widespread modulation of vascular tone and decreased sensitivity of peripheral nociceptors due to reduced prostanoid levels. Galedol also accumulates in synovial fluid, contributing to its localized pharmacological actions.

Dosage and Administration Information

How to Use Galedol (Diclofenac)

Administration of Galedol, which contains the active ingredient Diclofenac, is governed by principles that prioritize the use of the lowest effective dose for the shortest duration necessary to manage symptoms. The medicine is provided in various formulations to allow for systemic or local application.


Official Routes and Dosing Patterns

Diclofenac is officially approved for oral (tablets, capsules, powder), rectal (suppositories), parenteral (Intramuscular/Intravenous injection), and topical (gel, solution) administration.

Standard adult systemic dosing for chronic conditions like Osteoarthritis typically ranges from 100 mg to 150 mg total daily, often administered in divided doses. The extended-release 100 mg formulation is generally taken once daily. For short-term acute pain, the maximum daily dose may range up to 150 mg, depending on the specific form and regional guidelines.


Administration Conditions and Constraints

Specific formulations carry mandatory administration rules. Delayed-release and extended-release tablets must be swallowed whole and should not be crushed, split, or chewed to preserve the intended release profile. The Diclofenac oral solution powder packet is typically mixed with water and consumed immediately on an empty stomach, while most oral tablets can be taken without reference to meals.

For injectable administration, specific protocols must be followed, such as ensuring the patient is well-hydrated before receiving the intravenous form. Furthermore, specific groups, including older adults and patients with known renal or hepatic impairment, should be initiated on the lowest possible dose and closely monitored to ensure appropriate use.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Galedol (Diclofenac)


Evidence for Use in Chronic Joint Discomfort (Osteoarthritis and Rheumatoid Arthritis)

Galedol was evaluated in research exploring conditions related to Osteoarthritis (OA) and Rheumatoid Arthritis (RA), which are conditions marked by functional limitations and periods of heightened symptom activity. Research exploring how symptoms change over time includes short- to mid-term Randomized Controlled Trials (RCTs). These studies were applied in research contexts involving fluctuating or unstable symptoms, consistently measuring patient-reported outcomes describing perceived discomfort, such as pain intensity and overall measures of physical functioning.

For OA, findings describe patterns observed in the studies where research examined measurements of outcomes related to physical discomfort and daily functioning or activity level over observation periods typically lasting up to three months. Research also examined various formulations, including topical gels, where studies explored whether the active component could be delivered directly to a specific site.

Evidence for Use in Short-Term Acute Discomfort and Injury (Acute Pain)

Galedol was evaluated in numerous short-term, placebo-controlled RCTs and comprehensive Systematic Reviews for its role in discomfort related to minor soft tissue injuries or post-operative procedures. The primary focus was on episodic or acute change measurements, such as the time it took for pain scores to change and the frequency with which patients used additional pain medication.

Findings describe patterns observed in the studies, where the highest measured changes in pain intensity measurements were observed during the first 2 to 24 hours after administration.

Evidence for Use in Episodic Pain Conditions (Migraine and Dysmenorrhea)

Galedol was studied for its use in specific conditions characterized by fluctuating or episodic manifestations, namely primary dysmenorrhea (menstrual cramps) and acute migraine attacks. The research structure includes very short-term RCTs that focus on episodes where symptoms become more noticeable. Data show patterns related to the measured outcomes, but research exploring sustained pain-free measurements beyond the initial observation window remains limited.

What is Still Uncertain About the Research Evidence

Limited information for long-term outcomes that measure disease progression or sustained functional improvement was observed in the research, as the follow-up durations were limited in most controlled trials. Additionally, available research suggests limited information is available for certain subgroups, and findings were mixed in some areas, contributing to heterogeneity across trials.

Frequently Asked Questions (FAQ)

Common questions about Galedol (FAQ)


Q: How long does Galedol stay in the body after stopping it?

A: Official pharmacological data indicates that the terminal half-life of the active ingredient, Diclofenac, is typically around 2 hours. The half-life describes the time it takes for the concentration of the medication in the body to be reduced by half. Information regarding the complete clearance of all drug components from the system is not typically specified on the core label.

Q: Why does Galedol have a boxed warning (Black Box Warning) in the US?

A: In the United States, regulatory agencies require Galedol to carry a Boxed Warning—the most serious level of caution. This warning highlights the risk of serious cardiovascular thrombotic events, which include potential heart attacks and strokes. It also emphasizes the risk of serious gastrointestinal adverse events, such as bleeding, ulceration, or perforation in the stomach or intestines.

Q: What is the risk of Galedol causing weight gain?

A: Some official product information lists weight changes among the reported adverse events. Furthermore, the labeling notes fluid retention and edema (swelling), which are conditions sometimes associated with changes in weight. Individuals experiencing unexpected changes should refer to their healthcare professional for evaluation.

Q: Can Galedol affect results from blood tests?

A: Regulatory documents indicate that healthcare professionals should monitor certain laboratory parameters when Galedol is used. Specifically, tests measuring liver enzyme activity and blood components (like hemoglobin or hematocrit) may be affected. This type of monitoring is indicated by official documentation when using the medication.

Q: Does Galedol have a risk of interaction with herbal supplements like St. John's Wort?

A: The official label warns against combining the active ingredient in Galedol with certain substances classified as strong CYP2C9 inhibitors or inducers. Herbal supplements like St. John's Wort are known in pharmacology to influence these types of enzymes, which may potentially alter the concentration of Galedol or other medicines in the body. Regulatory constraints emphasize the importance of healthcare professionals being fully aware of all concurrent medications and supplements.

Q: What should I do if I feel dizzy after taking Galedol?

A: Dizziness is a possible side effect of Galedol documented in regulatory materials. Official documentation on patient counseling often indicates that individuals should seek guidance from a healthcare professional regarding any serious or concerning symptoms experienced during therapy.

Q: Is Galedol available as a generic medicine?

A: Yes, Galedol’s active ingredient, Diclofenac, has established regulatory approval. Because the patent has expired, it is widely available as a generic medication from multiple manufacturers and in various pharmaceutical forms.

Q: Can Galedol be used by vegetarians or vegans?

A: The suitability of Galedol for vegetarians or vegans depends on its specific formulation. Some versions of the medication may contain inactive ingredients (excipients), such as gelatin, which may be derived from animal products. The full list of inactive ingredients for a specific product is typically found on the package labeling or patient information leaflet.

How should Galedol be stored and disposed of?

How to Store and Dispose of Galedol?

Galedol, containing the active ingredient Diclofenac, must be stored according to official regulatory specifications to maintain its stability and effectiveness. The medication requires storage at Controlled Room Temperature, typically 20 C to 25 C (68 F to 77 F).

Storage and Handling

It is mandatory to store Galedol in its original container, which must be kept tightly closed and protected from both moisture and light. As a critical safety requirement, the product must be stored out of the sight and reach of children.

Official Disposal

Do not dispose of unused or expired Galedol in household trash or down a drain, as regulatory guidelines classify it as an environmental risk. The preferred method for discarding the medication is by utilizing an authorized drug take-back program or adhering to local pharmaceutical waste disposal regulations.

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

Available in countries:

Equivalent of Galedol found in:

A-Z Index: