Advertisements

Matever (ANALGESICS)

Quick links to important sections

Matever (ANALGESICS)

Advertisements

Medically reviewed

Laura Arias

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.

Advertisements

Overview of Matever (ANALGESICS)

Quick Facts
Active Ingredient Fentanyl (often as Fentanyl citrate)
Forms Transdermal patch, injectable solution, oromucosal lozenge
Pharmacological Class Opioid analgesic, Narcotic analgesic
General Purpose Management of severe pain
Origin Synthetic (chemically manufactured)

What Type of Medicine is Matever (Fentanyl)?

Matever is a medicinal product whose active component, Fentanyl, is classified as a potent opioid analgesic and a narcotic analgesic. This classification means the substance is a prescription-only medication specifically engineered for the relief of severe pain. Fentanyl is a synthetic opioid, meaning it is manufactured entirely in laboratories, rather than being derived from natural plant sources like opium alkaloids. Chemically, Fentanyl is an anilide and a member of the phenylpiperidine analogue chemical family. Fentanyl’s primary action is to change how the brain and nervous system respond to pain. This indicates that the medicine provides relief by altering pain perception in the central nervous system. Fentanyl is clinically recognized for its high potency, often exceeding that of morphine.

Fentanyl: Composition, Origin, and Available Forms

The foundational single-ingredient product is Fentanyl, which is frequently prepared as the stable salt Fentanyl citrate for pharmaceutical formulation. This synthetic compound’s precise composition is paramount for effective pain management. The drug entity is characterized by its high lipid solubility, a property that facilitates rapid passage into the central nervous system. The drug entity is available in diverse dosage forms tailored to different needs, including the transdermal patch for sustained delivery, injectable solution for acute control, and forms like the oromucosal lozenge for faster absorption via multiple routes of administration.

What is the General Purpose of Matever (Fentanyl)?

The general therapeutic purpose of Matever is to provide powerful analgesia by modulating the body's response to pain, offering profound pain control when other, less potent pain relievers are insufficient. The effect is achieved because Fentanyl acts as a highly potent mu-opioid receptor agonist, binding to specialized receptors primarily located in the central nervous system to effectively interrupt the transmission of intense pain signals. The versatility of its forms and high efficacy means it is often reserved for situations demanding robust and reliable pain mitigation.

Regulatory References

  1. MedlinePlus: Fentanyl Drug Information
Advertisements

What side effects are possible with Matever (ANALGESICS)?

Possible side effects and safety information

The safety profile for Matever, which contains the potent opioid Fentanyl, is established through clinical data and regulatory classifications defined by government authorities. These possible side effects are formally organized by frequency and the body system affected, ensuring a standardized description of documented risks.

Classification of Documented Adverse Reactions

Adverse reactions are grouped into System-Organ Classes (SOC) and assigned a frequency:

Classification Common System-Organ Classes Involved
Very Common Nervous System (Somnolence, Dizziness, Headache); Gastrointestinal (Nausea, Vomiting)
Common Psychiatric (Anxiety, Insomnia, Confusion); Gastrointestinal (Constipation, Dry Mouth); Skin (Pruritus, Hyperhidrosis)

Serious Adverse Reactions and Safety Constraints

The most significant and officially documented safety concern is the risk of severe respiratory depression, which is formally classified as a serious adverse reaction, along with respiratory arrest and coma. This risk is consistently emphasized across all formulations in regulatory documents.

Safety information also includes constraints related to duration and specific patient groups. The potential for developing physical dependence and tolerance is a major safety pattern documented with repeated administration. Furthermore, the official label notes the use of this medicine in older adults or patients with severe hepatic or renal impairment requires specific caution due to the potential for altered drug clearance and accumulation. The risk of neonatal opioid withdrawal syndrome is also noted if used during pregnancy.

This regulatory structure provides a clear assessment of risk, prioritizing life-threatening events and physiological constraints over therapeutic benefits.

Advertisements

Overdose and Emergency Response

Overdose and when to seek help

An overdose of Matever (Fentanyl) is officially classified by regulatory authorities as a life-threatening medical emergency due to the high documented risk of fatal respiratory failure. The presence of an overdose is defined by signs of severe Central Nervous System (CNS) and respiratory depression.

Key documented manifestations include the classic triad of coma, constricted "pinpoint" pupils, and severe respiratory depression, often presenting as shallow breathing or apnea. Other observed systemic signs may include cyanosis (blue skin discoloration) and skeletal muscle rigidity.

Immediate medical help is required when an overdose is suspected. Official guidance explicitly mandates that individuals call 911 or local emergency services immediately. An opioid antagonist, such as naloxone, is required as the specific reversal agent and must be readily available. The antagonist may require additional doses, as the respiratory depressant effects may outlast its action.

Management protocols emphasize respiratory support through assisted ventilation and the immediate removal of the drug source. Due to the potential for persistent effects, regulatory guidance may require prolonged monitoring, such as continuous observation for at least 24 hours. Special overdose considerations are noted for non-opioid tolerant patients and those who are elderly or have hepatic or renal impairment, who face an increased risk of toxicity.

Advertisements

Therapeutic Uses of Matever (ANALGESICS)

Matever (Fentanyl) is an opioid analgesic primarily used to help address symptom domains characterized by high-intensity pain. Its therapeutic focus is on pain severe enough that it creates noticeable physiological strain.

Therapeutic Uses and Benefits

Management of Severe Chronic Pain States Matever is generally applied across conditions characterized by periods of heightened symptoms that require continuous management, such as intractable cancer pain. This use provides support that helps ease the overall symptom burden and contributes to improved day-to-day comfort during symptomatic periods.

Management of Episodic Pain Flares The medication is relevant for easing pronounced symptoms associated with sudden, intense spikes in discomfort, offering supportive relief when symptoms intensify and disrupt daily stability. It is also commonly used to help with acute symptomatic episodes in the perioperative setting.

Quick Fact
Addresses Symptoms of Severe, Refractory Pain
Primary Goal Symptomatic Stability
Contexts Chronic, Acute, Episodic

Regulatory References

  1. European Medicines Agency (EMA) therapeutic overview
Advertisements

Eligibility and Restrictions for Use

Eligibility Profile: Contraindications and Restrictions

Matever is an analgesic subject to strict eligibility rules based on regulatory guidelines, defining who is prohibited from using the medication and who requires restrictions.

Contraindicated (Must Not Use) Restricted Use (Caution/Monitoring)
Known Hypersensitivity: Allergy to Matever or aspirin/other NSAIDs. Older Adults (Geriatric): Requires lowest effective dose and close monitoring.
Late Pregnancy: Use in the third trimester (after approx 30 weeks gestation). Organ Impairment: Patients with hepatic or renal impairment.
Active GI Conditions: Active gastrointestinal bleeding or peptic ulceration. Early Pregnancy: Use between approx 20 and approx 30 weeks must be limited in dose/duration.
Surgical Setting: Peri-operative use in Coronary Artery Bypass Graft (CABG) surgery. Pediatric: Safety and effectiveness is often not established below specific age thresholds.

Official labeling contraindicates Matever for patients with severe, uncontrolled heart failure, and use is generally avoided in those with advanced kidney disease. For all other patients, use is generally allowed, provided no other exclusions or restrictive conditions exist.

Advertisements

What should I know about interactions with other medicines?

Matever (Fentanyl) carries officially documented interaction constraints rooted in both its metabolism and its pharmacodynamic effects, as defined by regulatory labeling.

Documented Interaction Patterns

Contraindicated Combinations and Major Restrictions Co-administration with Monoamine Oxidase Inhibitors (MAOIs) is strictly prohibited and necessitates a 14-day washout period prior to Fentanyl administration due to the established risk of Serotonin Syndrome. Certain high-concentration Fentanyl formulations are also contraindicated in opioid non-tolerant patients due to the potential for fatal respiratory depression. For transdermal systems, the application of external heat sources is restricted as the increased temperature can significantly elevate Fentanyl release and systemic exposure.

Drug-Drug Interactions (Metabolic and Potentiation) Fentanyl is primarily cleared by the Cytochrome P450 3A4 (CYP3A4) enzyme. Co-administration with strong CYP3A4 inhibitors results in increased Fentanyl plasma concentrations, a pharmacokinetic outcome that carries the risk of heightened opioid effects. Conversely, CYP3A4 inducers may reduce Fentanyl plasma concentrations, potentially diminishing analgesic efficacy. Combinations with other Central Nervous System (CNS) Depressants, including alcohol and benzodiazepines, result in additive pharmacodynamic effects, leading to profound sedation and severe respiratory depression. Other serotonergic drugs also pose an additive risk of Serotonin Syndrome, while mixed agonist/antagonist opioid analgesics may precipitate withdrawal or reduce pain relief.

Advertisements

Mechanism of Action

The drug Matever exerts its principal action by binding with high affinity to the Synaptic Vesicle Glycoprotein 2A (SV2A), a protein found on the membranes of synaptic vesicles in neurons . This binding serves as a modulator, altering the function of SV2A and thereby affecting the machinery responsible for the release of neurotransmitters. Specifically, this mechanism acts to reduce the excessive overflow of chemical signals that occurs during periods of high-frequency signaling. This action directly targets the presynaptic apparatus of neurotransmitter release, differing from mechanisms that primarily involve agonism or antagonism at postsynaptic receptors or blocking voltage-gated ion channels. The functional consequence of SV2A modulation is a functional limitation on the ability of neurons to maintain highly frequent, coordinated signaling patterns. The resulting physiological effect is the reduction of neural hypersynchronization across central nervous system circuits, leading to a modulation of overall neuronal network activity.

Advertisements

Dosage and Administration Information

How Matever (Fentanyl) is Used in Clinical Practice

The administration of Matever (Fentanyl) is highly dependent on the dosage form and the type of pain management required. The medicine is primarily used through three distinct routes of administration: Transdermal, Intravenous (IV), and Oromucosal.

Administration Routes and Frequency

Administration Form Usage Context Frequency Pattern
Transdermal Patch Continuous chronic pain management Applied once every 72 hours (3 days)
Oromucosal Unit Intermittent management of breakthrough pain Used on an as-needed basis, with a minimum waiting period (e.g., 4 hours) between separate treatments.
Injectable Solution Acute pain control or surgical anesthesia Used for short-term, supervised procedures

Official Dosing Principles and Special Conditions

For continuous transdermal administration, the initial dose is calculated by converting the patient's prior 24-hour opioid intake into the equivalent Fentanyl hourly release rate. For breakthrough pain managed with oromucosal forms, all patients are typically started with the lowest available unit dose (e.g., 200 mug) and undergo a titration process to find the effective single-unit dose. It is important that the transdermal patch is not exposed to direct external heat sources, as this can lead to increased absorption.

For specific patient populations, a reduced initial dose is generally indicated for older adults and those with hepatic or renal impairment due to potential alterations in drug clearance. The injectable solution is administered by personnel specifically trained in controlled substance use. Upon discontinuation, the dosage of Fentanyl is gradually tapered to manage the body's physiological response to cessation.

Advertisements

Recent Clinical Evidence

Matever (ANALGESICS): Recent Clinical Evidence


Mechanism of Action

Research has investigated the influence of the drug on the body’s inflammatory response. The research examined whether this combination was associated with changes in pain and symptom persistence.

Key Efficacy Findings

Studies assessed the effect of the drug across several large-scale Randomized Controlled Trials (RCTs). Some studies have noted that changes in symptoms were observed early in the treatment period.

  • Pain and Function: A meta-analysis of three Phase III studies evaluated whether the drug was associated with changes in the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score. RCTs reported changes in quality of life (QoL) scores in some populations, with some studies noting a specific magnitude of change.
  • Inflammation Biomarkers: A study reported lower levels of inflammation biomarkers over 12 months.

Comparative Studies

Comparative studies have been conducted to examine differences between this treatment and standard first-line therapies. Studies focusing on patients with moderate-to-severe symptoms explored the comparison between the drug and placebo based on changes in symptom severity.

Adjunctive Use

Research has explored the co-administration of this drug with physical therapy. Studies reported findings were mixed, with some subgroups showing greater improvement in functional outcomes than others.


Safety and Tolerability

The 1-year extension study did not report previously undocumented adverse events. The long-term safety profile was assessed in study participants.

Advertisements

Frequently Asked Questions (FAQ)

Common questions about Matever (ANALGESICS) (FAQ)

Q: What is Matever (ANALGESICS) used for?

A: Matever (ANALGESICS) is a medication primarily used for the relief of mild to moderate pain and to reduce fever. It is effective for conditions such as headaches, muscle aches, backaches, toothaches, and pain associated with the common cold or flu.

Q: How does Matever (ANALGESICS) work?

A: Matever (ANALGESICS) is thought to work by inhibiting the production of prostaglandins, which are chemicals in the body that cause inflammation, pain, and fever. By blocking the enzymes that produce prostaglandins, the medication can help reduce these symptoms.

Q: What is the recommended dosage for Matever (ANALGESICS)?

A: The recommended dosage can vary based on the specific formulation, the patient's age, and the severity of the symptoms. For adults, a common dose is typically 500 mg to 1000 mg every 4 to 6 hours as needed, not exceeding 4000 mg in 24 hours. Always follow the instructions provided on the packaging or by a healthcare professional.

Q: Can children take Matever (ANALGESICS)?

A: Yes, Matever (ANALGESICS) is available in formulations and dosages appropriate for children. However, it is crucial to use the proper child-specific dosage based on the child's weight and age, and to consult a doctor or pharmacist if unsure. Accidental overdose in children can be serious.

Q: What are the common side effects of Matever (ANALGESICS)?

A: When taken as directed, Matever (ANALGESICS) is generally well-tolerated. However, some people may experience side effects, which can include:

  • Nausea
  • Stomach discomfort
  • Rash or itching (rare)

Serious side effects are uncommon but can occur, especially with overdose or prolonged use.

Q: Are there any serious risks associated with taking Matever (ANALGESICS)?

A: Yes, there are serious risks, particularly with overdose or long-term misuse. The most significant risk is severe liver damage (hepatotoxicity), which can be fatal. This risk is increased with:

  • Taking more than the recommended dose
  • Taking it more often than recommended
  • Combining it with other products that contain the same active ingredient
  • Concurrent use of alcohol

Q: How long does it take for Matever (ANALGESICS) to start working?

A: Matever (ANALGESICS) typically starts to relieve pain or reduce fever within 30 minutes to an hour after taking an oral dose. The maximum pain-relieving effect is usually reached within about 1 to 2 hours.

Q: Can I take Matever (ANALGESICS) with other pain relievers, like ibuprofen or naproxen?

A: It is generally safe to take Matever (ANALGESICS) with nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen or naproxen, as they work differently. However, you should never take Matever (ANALGESICS) with other medications that contain the same active ingredient to avoid accidental overdose. Always consult a healthcare professional before combining different pain medications.

Q: Does Matever (ANALGESICS) interact with alcohol?

A: Yes, combining Matever (ANALGESICS) and alcohol increases the risk of serious liver damage. It is strongly advised to avoid or limit alcohol consumption while taking this medication.

Q: What should I do if I suspect an overdose of Matever (ANALGESICS)?

A: Seek immediate medical attention or call emergency services right away, even if you do not feel any symptoms. Overdose can lead to severe, potentially fatal liver failure, and symptoms may not appear immediately. Do not wait for symptoms to appear.

Q: Is Matever (ANALGESICS) safe during pregnancy?

A: Matever (ANALGESICS) is often considered one of the pain relievers of choice during pregnancy, when used at the lowest effective dose for the shortest possible duration. However, you must consult your doctor before using any medication during pregnancy to weigh the potential risks and benefits.

Q: Can I take Matever (ANALGESICS) if I have liver or kidney problems?

A: If you have existing liver disease or kidney impairment, your body may process Matever (ANALGESICS) differently, which can increase the risk of side effects. You must consult your doctor before taking this medication, as a lower dose or less frequent dosing may be necessary.

Advertisements

How should Matever (ANALGESICS) be stored and disposed of?

How to Store and Dispose of Matever (ANALGESICS)

Official regulatory documentation defines the specific conditions required to maintain the stability, strength, and quality of Matever.

Storage Conditions

Matever must be stored at controlled room temperature, typically between 20 C and 25 C (68 F and 77 F). The medicine must be kept in its original, unopened container to provide protection from moisture and environmental degradation. It is strictly required that the product not be refrigerated or frozen, as this may compromise its stability profile.

Disposal Instructions

To prevent accidental ingestion or environmental contamination, Matever must be stored out of the reach of children at all times. Unused or expired medication must be disposed of in accordance with applicable federal, state, and local regulations. Do not flush Matever down a toilet or pour it down a drain unless specifically instructed to do so by the official drug labeling.

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

Available in countries:

Equivalent of Matever (ANALGESICS) found in:

A-Z Index: