Oxidolor

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Oxidolor

Method of action: Analgesic

Treatment option: Pain, Cancer

Medically reviewed

Marina Burgos

Last updated on 22/12/2025

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

Overview of Oxidolor

Property Description
Active Ingredient Oxycodone Hydrochloride
Primary Form Prolonged-release tablets
Pharmacological Class Opioid Analgesic
General Purpose Management of Severe Pain
Origin Semi-synthetic opioid

Oxidolor is the commercial designation for a powerful strong pain-relieving medication whose active ingredient is Oxycodone Hydrochloride, which classifies it as an opioid analgesic. This type of medicine is used specifically for the management of severe pain that requires intervention by a strong, centrally acting agent. The Oxycodone Hydrochloride component is a semi-synthetic opioid, chemically derived by modifying thebaine, a natural alkaloid found in the opium poppy plant.

The medication is commonly presented as prolonged-release tablets (also known as extended-release tablets), a specialized pharmaceutical preparation for oral administration. This prolonged-release mechanism is designed to release the active substance over a sustained period, which is essential for maintaining consistent pain relief in patients with chronic pain. This makes the formulation distinct from immediate-release oral forms.

As a pure opioid agonist, the core principle of Oxidolor is to achieve profound analgesia by modulating pain signals within the central nervous system. This centralized action provides powerful relief, supporting its primary purpose in the therapeutic control of severe, intractable discomfort, a use scenario recognized in clinical practice. Oxidolor is a prescription-only medication due to the potent nature of its active ingredient.

What side effects are possible with Oxidolor?

Possible side effects and safety information

The official safety profile for Oxidolor (Oxycodone Prolonged-Release) details adverse reactions organized by frequency and the body system affected, based on authoritative regulatory documentation.

Frequency-Classified Adverse Reactions

Adverse reactions are classified using regulatory standards. Very Common (ge 1/10) reactions documented include nausea, constipation, vomiting, somnolence, dizziness, and pruritus (itching). Common reactions (ge 1/100 to < 1/10) include headache, dry mouth, abdominal pain, anxiety, insomnia, and sweating.

System-Organ-Classes and Serious Safety Concerns

Adverse effects are grouped into categories such as Gastrointestinal Disorders (e.g., constipation, dry mouth), Nervous System Disorders (e.g., dizziness, somnolence), and Psychiatric Disorders. The most critical, label-documented safety concern is Respiratory Depression, a serious adverse reaction that involves the potential for severely decreased breathing.

Safety Constraints and Special Populations

Official prescribing information includes high-level safety constraints, such as being contraindicated in patients with conditions like severe respiratory depression, paralytic ileus, and severe hepatic impairment. Furthermore, long-term use during pregnancy is documented as posing a risk of Neonatal Opioid Withdrawal Syndrome (NOWS). The label also notes that effects like nausea and vomiting are often more frequent at the start of treatment, and drug dependence and tolerance are associated with long-term exposure.

Overdose and Emergency Response

Overdose and when to seek help

Suspected overdose of Oxidolor requires immediate medical attention. Regulators explicitly mandate contacting emergency services immediately, as delaying help for opioid excess is strictly prohibited due to life-threatening risks.

Documented Overdose Manifestations

The major clinical manifestation of an overdose is respiratory depression, characterized by slow, shallow, or difficult breathing, which can progress to respiratory arrest. Other severe, regulator-documented signs of opioid toxicity include profound sedation progressing to coma, unresponsiveness, miosis (pinpoint pupils), hypotension (low blood pressure), and cyanosis (bluish skin discoloration). These symptoms define a serious, potentially fatal event, with the risk of permanent brain damage.

Required Emergency Action and Management

An opioid antagonist, such as Naloxone, is the officially indicated intervention to reverse the effects of opioid toxicity. Supportive measures are required, including securing a patent airway and providing ventilatory support and oxygen. Close observation and continuous monitoring of vital signs are essential throughout the management process.

High-Risk Considerations

Regulatory documents emphasize that the accidental ingestion of even one dose by a child can result in a fatal overdose. Furthermore, there is an increased risk of life-threatening respiratory depression in elderly, cachectic, or debilitated patients.

Therapeutic Uses of Oxidolor

What Oxidolor Treats: Main Uses and Benefits

The prolonged-release formulation of Oxidolor is used for managing symptoms related to severe and persistent pain that necessitates continuous, long-term treatment when alternative therapeutic options may be inadequate. This support is applied across therapeutic domains such as chronic malignant pain and certain cases of chronic non-malignant pain, addressing symptoms related to physical discomfort that have proven unresponsive to non-opioid analgesia.

The medication is commonly used across conditions presenting with significant symptomatic burden, including scenarios that require a fixed, around-the-clock analgesic regimen. The primary therapeutic benefit is to provide consistent symptomatic relief due to its prolonged action. This continuous support helps maintain a sense of stability when symptoms are more noticeable, contributing to improved comfort during periods of heightened symptoms. The application includes adults and, under strict criteria, opioid-tolerant pediatric patients whose conditions may require continuous, high-level symptom management.

The prolonged-release design is considered highly relevant for patients whose symptoms may require continuous assistance with symptom management over an extended period.


Quick Fact: Therapeutic Focus: Severe and Persistent Pain

Eligibility and Restrictions for Use

The eligibility to use Oxidolor (Oxycodone Prolonged-Release) is strictly defined by regulatory authorities based on age, physiological status, and underlying medical conditions. This information is derived from official government prescribing documents.

Absolute Contraindications (Must Not Use)

Oxidolor is strictly contraindicated for individuals with significant respiratory depression, acute or severe bronchial asthma, severe chronic obstructive pulmonary disease (COPD), or elevated carbon dioxide levels in the blood (hypercarbia). Use is also prohibited in patients with known or suspected gastrointestinal obstruction, including paralytic ileus, or a known hypersensitivity to oxycodone.


Age and Conditional Eligibility

The medicine is generally indicated for use in adults. Pediatric use is restricted: it is not recommended for children under 12 years of age due to insufficient data. However, it may be used in opioid-tolerant pediatric patients 11 years and older under specific criteria.

Patients with moderate hepatic (liver) or renal (kidney) impairment have restricted eligibility and typically require a reduced starting dose and close monitoring. Use also requires extreme caution in patients with chronic pulmonary disease (non-severe), head injury, increased intracranial pressure, severe hypotension, or a history of substance misuse disorder.

For women, prolonged use during pregnancy is associated with the risk of Neonatal Opioid Withdrawal Syndrome, and use while breastfeeding is not recommended.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Oxidolor may interact with a variety of other medicines and substances, which can alter the concentration of Oxidolor in the body or increase the risk of specific side effects. The most clinically significant interactions involve medicines that affect the CYP3A4 enzyme, which is responsible for the metabolism of Oxidolor.

Product Category Interaction Implication
Strong CYP3A4 Inhibitors (e.g., ketoconazole, ritonavir) Co-administration is restricted and requires a mandatory dose reduction of Oxidolor, as these medicines increase the concentration of Oxidolor in the bloodstream.
Strong CYP3A4 Inducers (e.g., rifampin, carbamazepine, St. John's Wort) Not recommended for use together, as these medicines substantially decrease the concentration of Oxidolor, potentially leading to a loss of effectiveness.
Monoamine Oxidase Inhibitors (MAOIs) Concomitant use is contraindicated. A 14-day washout period is required before starting Oxidolor after discontinuing an MAOI.
Other Serotonergic Drugs (e.g., SSRIs, SNRIs) Use with caution due to the documented risk of additive effects.
CNS Depressants and Alcohol Additive effects on the central nervous system (CNS) are documented, increasing the risk of sedation. Consumption of alcohol during treatment is restricted.

These interactions are primarily classified as pharmacokinetic (metabolism) or pharmacodynamic (additive CNS or serotonergic effects). Careful review and adherence to prescribing guidance is required for co-administration with these categories.

Mechanism of Action

How Oxidolor Works

Oxidolor's mechanism of action is centered on precisely modulating key communication systems within the body, resulting in modulation of activity in systems characterized by heightened physiological responses.

Oxidolor acts within mechanistic domains involving receptor-mediated signaling. It exerts a targeted effect by binding selectively to defined biological receptors on cell surfaces. This binding action initiates a specific molecular step, either activating or blocking the receptor's normal function, thereby adjusting its activity in the neural and humoral pathways.

The drug's interaction with its primary target modifies early molecular steps that influence core signal transduction dynamics. By intervening in these well-characterized molecular cascades, Oxidolor modifies the effects of excessive mediator activity and influences the dynamics of heightened physiological responses.

Ultimately, Oxidolor engages mechanisms that regulate signaling sequences across central and/or peripheral systems. Its action affects activity patterns within targeted pathways and modulates heightened physiological responses. This targeted pathway adjustment leads to resultant physiological adjustments, which define the resulting systemic effect.

Dosage and Administration Information

Administration Guidelines

Oxidolor is formulated as a prolonged-release tablet and is indicated for oral administration. The primary dosing pattern requires that the medicine be taken on a fixed schedule every 12 hours (twice daily) and is not intended for as-needed (prn) use. The tablets may be administered with or without food.

Dosing and Titration

For adult patients who are not already opioid-tolerant, the starting dose is typically 10 mg every 12 hours. In certain instances, a lower starting dose, such as 5 mg, may be utilized to help minimize initial effects. Dosing is an individualized process: following the initial dose, adjustments (titration) are typically made in 25% to 50% increments, guided by the need for continuous support and tolerability, with increases often occurring no more frequently than every 1 to 2 days.

Procedural Instructions and Constraints

To ensure the controlled-release mechanism functions as intended, the tablets must be swallowed whole. They must not be cut, broken, chewed, crushed, or dissolved. Violating the tablet's integrity causes the rapid release of the entire dose. If a dose is missed, the next dose should be taken at the regularly scheduled time, rather than taking two doses to compensate.

Population-Specific Use

A reduced starting dose is generally required for patients with hepatic impairment or renal impairment to account for the body's altered clearance of the drug. Additionally, the use of the medicine in pediatric patients (age 11 and older) is limited to those who are already opioid-tolerant. Treatment, when no longer required, must not be abruptly discontinued; a gradual reduction (tapering) is necessary.

Recent Clinical Evidence

Research evidence / Overview of studies for Oxidolor

Evidence for Use in Chronic Malignant (Cancer) Pain

This section will summarize the structure of the research evidence base, primarily focusing on the randomized and comparative trials that examined pain intensity and dose stability in adult patients with chronic cancer pain.

Research was studied for the use of prolonged-release oxycodone in adults experiencing moderate to severe persistent pain associated with a cancer diagnosis. These trials, often conducted as Randomized Controlled Trials (RCTs), frequently included a comparator group studied against other opioid agents. The studies monitored outcomes related to physical discomfort (via validated scales) and tracked whether the analgesic dose remained stable over defined time intervals. Research also included opioid-tolerant patients.

The controlled studies report findings related to measured outcomes related to physical discomfort when prolonged-release oxycodone was studied for use alongside other strong opioid agents. Studies monitored whether the analgesic dosage remained stable, and data show patterns related to dose stability in the short term. This research provides context but the results apply only to the populations studied.

Evidence for Use in Chronic Non-Malignant Pain

This part outlines the types of short-term randomized trials, systematic reviews, and observational studies that evaluated pain reduction and functional measures in patients with persistent non-cancer pain, such as chronic low back pain or osteoarthritis.

The research has explored short-term symptom changes in adults with conditions marked by functional limitations, such as osteoarthritis and chronic low back pain, where symptoms persisted despite the use of non-opioid treatments. The primary study types included Short-term Randomized Controlled Trials (RCTs), which monitored outcomes related to physical discomfort (e.g., pain scores) and outcomes reflecting daily functioning or activity level.

Evidence Gaps and Areas for Future Study

Evidence highlights what is known and what is still uncertain about the prolonged use of Oxidolor. One key limitation is the lack of high-quality, controlled trials that monitor patient responses and outcomes over six months or longer. Follow-up durations were limited in most randomized studies, meaning the data available provides context but not individual predictions for very long-term use.

Controlled data exploring outcomes reflecting daily functioning or activity level and patient-reported outcomes describing perceived discomfort beyond the short-term remain insufficient. Findings describe group patterns, but long-term effects are not fully established for sustained outcomes reflecting daily functioning or activity level.

Frequently Asked Questions (FAQ)

Common questions about Oxidolor (FAQ)

Q: Are there any common foods or drinks that should be avoided when taking Oxidolor?

According to the official product information, the consumption of alcohol should be restricted or avoided while using this medication. This is because alcohol can increase the risk of serious side effects, such as severe drowsiness and dangerously slow breathing (respiratory depression). Official documents generally state that the tablet can be administered without regard to food.

Q: How long does the effect of one dose of Oxidolor typically last?

Oxidolor is formulated as a prolonged-release tablet designed to release the active substance over a sustained period. This mechanism provides continuous pain management, which aligns with the fixed administration schedule often described as every 12 hours.

Q: Is it possible for Oxidolor to interact with over-the-counter cold medicines?

Regulatory documents highlight the risk of interaction with certain drug categories, including Central Nervous System (CNS) depressants. Some over-the-counter cold or allergy medicines contain ingredients classified as CNS depressants. Concomitant use with these products has the potential to increase the risk of side effects such as excessive sedation or severely decreased breathing.

Q: Why do official documents sometimes mention 'respiratory depression' for drugs like Oxidolor?

Respiratory depression, which is dangerously slow or shallow breathing, is the most critical safety concern listed in official documents. This effect is described because the medicine acts on specific opioid receptors in the body, including those that regulate the breathing centers in the brain. The risk of this serious side effect may be influenced by factors including the dose of the medicine.

Q: Can a rash or allergic reaction occur with Oxidolor?

Official prescribing information notes that a known hypersensitivity, or allergy, to the active ingredient is an absolute reason to avoid using this medicine. While pruritus (itching) is listed as a very common side effect, official guidance indicates that symptoms of a serious allergic reaction warrant immediate medical assessment.

Q: Are there different strengths or dosages of Oxidolor available?

Yes, the prolonged-release tablets are manufactured and available in various dosage strengths. Official product information lists available strengths ranging from low milligrams (such as 10 mg) up to 80 mg.

Q: Do official labels for Oxidolor mention any required monitoring?

Official regulatory documents emphasize that close monitoring is required for patients taking this medication. Close monitoring is documented to support the patient's tolerability and facilitate early identification of potential serious side effects, especially during the initiation of treatment or following any changes to the dose.

Q: What is the main classification of Oxidolor (e.g., narcotic, controlled substance)?

Oxidolor's active ingredient is classified by regulatory agencies as a Schedule II controlled substance. This high classification reflects the medicine's potential for abuse and the risk of developing dependence. Consequently, the dispensing and handling of this medication are subject to strict government controls.

Q: What does the term 'tolerance' mean in relation to Oxidolor?

Official documents describe tolerance as a recognized effect associated with the long-term use of this medicine. Developing tolerance means that a patient's body may adapt to the drug's effects. If tolerance is observed, a higher dose may be considered to maintain the original level of pain relief.

Q: Is there a risk of withdrawal symptoms if Oxidolor is stopped suddenly?

Yes, official labels explicitly warn against stopping this medication abruptly. Suddenly discontinuing the drug can lead to a withdrawal syndrome. For this reason, official guidelines describe that a gradual reduction (tapering) is necessary when treatment is discontinued.

Q: Do researchers compare the effects of Oxidolor to placebo in studies?

Summaries of clinical studies often describe comparisons made between Oxidolor and other opioid agents to evaluate effectiveness. While studies are often compared against other active treatments, clinical trials summarized in regulatory documents typically use a comparator group, which may include a placebo (an inactive substance), to establish the medicine's analgesic effect.

Q: Is Oxidolor safe for older adults to use?

Official guidelines indicate that a reduced starting dose and close monitoring may be required for older adults. Regulatory documents note that this population may be more susceptible to the medicine's effects.

Q: Are there specific symptoms that mean I should stop taking Oxidolor immediately?

Yes, patients and caregivers are instructed to be aware of symptoms that warrant immediate medical assessment. Official documents emphasize that signs of serious respiratory depression or overdose—such as severe drowsiness, confusion, or breathing that is abnormally slow or shallow—warrant immediate emergency medical assessment.

Q: Do studies suggest Oxidolor affects driving ability?

Official information includes warnings that this medicine may impair abilities, and engaging in potentially hazardous tasks, such as driving or operating machinery, should be avoided until individual response is known. This is due to the potential for side effects like somnolence and dizziness.

Q: Does Oxidolor show up on standard drug screening tests?

Yes, standard toxicology screens and drug detection assays are typically designed to detect the active ingredient, oxycodone, and its related metabolic breakdown products. The presence of the drug can be identified on these types of tests.

Q: Do clinical trials of Oxidolor include a diverse range of patient ages?

Summaries of clinical trials address the use of this medicine across different patient populations, as detailed in regulatory documents. This includes studies in adults, dedicated analysis for older adults (geriatric population), and specific trials involving opioid-tolerant pediatric patients aged 11 years and older.

How should Oxidolor be stored and disposed of?

How to Store and Dispose of Oxidolor?

Oxidolor (Oxycodone prolonged-release tablets) must be handled with strict adherence to regulatory requirements to ensure stability and public safety.

Storage Conditions

The medication must be stored securely at controlled room temperature, typically 20 C to 25 C (68 F to 77 F). The product must be kept in its original, tightly closed container, and protected from moisture, direct light, and freezing. To prevent accidental ingestion, Oxidolor must be stored out of the sight and reach of children and secured against access by others.

Disposal Instructions

Disposal of unused or expired tablets should primarily occur through an official drug take-back program. If a take-back option is not immediately available, the tablets must be immediately flushed down a toilet or sink, as mandated by regulatory guidance for certain high-risk opioids, to mitigate the immediate danger of accidental poisoning.

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

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