Tilidin comp.-CT

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Tilidin comp.-CT

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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 Tilidin comp.-CT

Property Description
Active Ingredients Tilidine, Naloxone Hydrochloride
Form Oral (e.g., tablets, solution)
Pharmacological Class Centrally acting opioid analgesic
General Purpose Relief of moderate to severe pain
Origin Synthetic combination product

Defining the Tilidine cdot Naloxone Analgesic

Tilidin comp.-CT is a prescription-only, fixed-dose combination medication classified as a centrally acting opioid analgesic. This synthetic product is utilized in pain management when non-opioid or weaker analgesic compounds are insufficient, placing it within a significant step of the pain management ladder. The designation “comp.” (combination) specifically denotes the presence of a second active ingredient, which is a key differentiator from single-entity opioid drugs.

The pharmacological classification reflects its mechanism of action in the central nervous system to effectively modulate the perception of pain signals. The formulation's components are categorized within the therapeutic group for analgesics, used in pain protocols.

Understanding the Active Components and Formulation

The fixed-dose preparation contains two active ingredients: Tilidine (the pro-drug component) and Naloxone Hydrochloride (the opioid antagonist). Tilidine is the main analgesic, which, upon oral administration, is metabolized into its active form, Nortilidine.

Crucially, the inclusion of Naloxone Hydrochloride is integral to the product's design as an abuse-deterrent formulation. When the medicine is taken orally as prescribed, the Naloxone is primarily deactivated by the body's metabolism, preserving the full pain-relieving effect of Tilidine. Conversely, the antagonist property would become active if the product were manipulated for misuse. The medicine is supplied in various oral administration forms, such as tablets (including prolonged-release tablets) or a liquid solution.

General Purpose of the Fixed-Dose Combination

The general purpose of the Tilidin cdot Naloxone combination is to provide effective relief for moderate to severe pain while simultaneously reducing the associated misuse potential. This specialized pharmaceutical tool is intended to deliver robust analgesic relief for patients managing significant, ongoing pain. The fixed-dose formulation maintains therapeutic potency while offering a more controlled profile relative to non-deterrent single-component opioids.

Regulatory References

  1. NIH: Abuse-Deterrent Opioid Formulations

What side effects are possible with Tilidin comp.-CT?

Possible side effects and safety information

The official safety profile for Tilidin comp.-CT (Tilidine/Naloxone) is structured around the adverse reactions documented in regulatory sources and the specific safety features of the combination product.

Commonly Documented Adverse Reactions

Adverse effects are categorized by frequency, with the most common reactions typically involving the Nervous System and Gastrointestinal System. Effects classified as Very Common often include dizziness, nausea, and vomiting. Reactions classified as Common frequently include headache, somnolence (drowsiness), and fatigue. Less frequent reactions, classified as Uncommon or Rare, may include hallucinations, confusion, and euphoria.

System-Organ Class Example Adverse Reaction (Regulatory Documentation)
Nervous System Disorders Dizziness, Somnolence, Headache
Gastrointestinal Disorders Nausea, Vomiting, Constipation
Psychiatric Disorders Confusion, Euphoria, Hallucinations

Serious Adverse Reactions and Constraints

As a centrally acting opioid, the medicine's label includes warnings regarding serious adverse reactions inherent to the drug class. These critical safety concerns include the risk of life-threatening respiratory depression and the inherent risks of physical dependence, abuse, and misuse. Some common effects, such as nausea and vomiting, are often noted as being transient or more frequently observed at the initiation of treatment.

Safety constraints exist for specific populations; the medicine is typically restricted or contraindicated in cases of severe hepatic impairment, as liver function is critical to drug metabolism. The inclusion of Naloxone Hydrochloride is a documented safety feature designed to activate and precipitate severe Opioid Withdrawal Syndrome if the medicine is manipulated for non-oral administration, reinforcing the safety profile when taken strictly as prescribed.

Overdose and Emergency Response

The official regulatory profile for Tilidin comp.-CT overdose is characterized by severe manifestations of opioid toxicity and requires immediate emergency intervention. Overdose typically presents with profound central nervous system (CNS) depression, leading to extreme sleepiness, reduced consciousness, or unresponsiveness. The most serious documented manifestation is life-threatening ventilatory depression, characterized by severely slowed or stopped breathing, which can escalate to hypoxia, cardiac arrest, or pulmonary edema if untreated. Additional documented clinical signs may include constricted pupils (miosis) and a slow heart rate (bradycardia).

Official labeling notes that in cases of massive oral overdose, the naloxone component of the combination is not sufficient to prevent severe ventilatory depression. Due to these life-threatening risks, regulatory guidance explicitly mandates that immediate medical attention must be sought and emergency services contacted immediately upon any suspicion of overdose. The required emergency measure is the administration of the specific opioid antagonist, Naloxone, followed by symptomatic and supportive treatment, including supplemental oxygen. Due to the risk of respiratory depression recurring, hospital transport and close, continuous monitoring for at least four hours is required following initial management.

Therapeutic Uses of Tilidin comp.-CT

What Tilidin comp.-CT treats: Main Uses and Benefits

The Tilidine/Naloxone fixed-dose combination is generally utilized in advanced analgesic protocols to manage significant levels of discomfort. It is considered relevant for symptom patterns that require additional support for symptom management, which may assist with maintaining functional stability. These formulations are utilized in conditions characterized by periods of heightened symptoms requiring sustained supportive management.

This medication is commonly used to help with symptoms related to physical discomfort when the intensity is classified as moderate to severe. It plays a role in managing symptoms across several therapeutic areas, including conditions presenting with systemic or localized discomfort (such as chronic pain), conditions associated with acute or disruptive episodes (such as postoperative pain), and symptoms of increased neurological or muscular activity.

The primary therapeutic benefit is to offer symptomatic relief that helps patients cope more steadily with challenging symptom manifestations, particularly when discomfort is unresponsive to standard, non-opioid pain relievers.


Quick Fact: Relief for Symptoms that Interfere with Daily Functioning This medication is generally used to address pain symptoms that have progressed in severity to the moderate-to-severe range, supporting functional stability in patients who require sustained symptomatic assistance.

Eligibility and Restrictions for Use

Who Must Not Use Tilidin comp.-CT (Contraindications)

Use of this medicine is strictly contraindicated in several population groups, as defined by regulatory labeling. This includes individuals with an established Opioid Drug Dependence, as the Naloxone component will immediately precipitate an acute withdrawal syndrome. Use is also prohibited for patients with known Hypersensitivity to Tilidine, Naloxone, or any other excipients. The specific metabolic disorder Porphyria also defines non-eligibility and contraindicates use.


Population Restrictions and Use with Caution

The medicine is generally intended for Adults and Adolescents aged 14 years and older. Use is not recommended for children younger than 14 years due to insufficient clinical experience.

Conditional use applies to specific groups:

  • Hepatic Function: Patients with Pronounced Hepatic Impairment must use the medicine with particular caution.
  • Substance History: Individuals with a history of other dependence disorders (e.g., drug or alcohol addiction) require careful monitoring.
  • Pregnancy/Lactation: Use during Pregnancy is generally not recommended or only permitted after a strict benefit-risk assessment. Breastfeeding must be interrupted if treatment is absolutely necessary.
  • Renal Function: No standard dose adjustment is required for patients with Impaired Kidney Function (renal impairment).

What should I know about interactions with other medicines?

Tilidin comp.-CT Interactions with other medicines and products

It is essential to inform your doctor or pharmacist about all prescription and non-prescription medicines, supplements, or herbal products you are currently taking before starting treatment with Tilidin comp.-CT. This medication contains tilidine (an opioid) and naloxone (an opioid antagonist), and concurrent use with certain substances can lead to serious drug interactions, including enhanced central nervous system (CNS) depression or altered metabolism.


Increased Risk of Sedation and Respiratory Depression

Concurrent use with other CNS depressants increases the risk of severe side effects such as deep sedation, respiratory depression (slowed or shallow breathing), coma, and even death. This critical interaction may occur with:

  • Other opioids (even for cough or pain).
  • Sedative medications (e.g., benzodiazepines, barbiturates).
  • Hypnotics (sleeping pills).
  • Alcohol.
  • Certain antidepressants, antihistamines, or muscle relaxants.

Metabolic and Serotonin-related Interactions

Tilidine is metabolized in the liver by specific enzymes (primarily CYP3A4 and CYP2C19) to its active pain-relieving substance, nortilidine. Drugs that inhibit these enzymes (e.g., certain antifungal agents like voriconazole) can significantly alter the concentration of tilidine and its active metabolite, potentially increasing the risk of adverse effects. Conversely, inducers of these enzymes may reduce the effectiveness of Tilidin comp.-CT.

Combining Tilidin comp.-CT with serotonergic drugs (e.g., certain antidepressants like MAOIs, SSRIs, SNRIs, or triptans) may precipitate Serotonin Syndrome, a potentially life-threatening condition characterized by mental status changes, autonomic instability, and neuromuscular abnormalities.

Mechanism of Action

Activating Central mu-Opioid Receptors and Descending Inhibition

The drug's action begins when Tilidine, a prodrug, is metabolized into the active substance, Nortilidine. Nortilidine acts as an agonist at mu-opioid receptors (mu-OR) in the central nervous system (CNS). Activation of these receptors suppresses the release of excitatory neurotransmitters in ascending nociceptive pathways, thereby reducing the transmission of pain signals to the brain. Simultaneously, Nortilidine acts as a weak dual inhibitor of norepinephrine (NE) and serotonin (5-HT) reuptake. By increasing the synaptic concentration of these monoamines, this mechanism enhances the activity of the body's natural descending inhibitory pathway, further modulating the intensity of the physiological response to nociceptive stimuli.

Pharmacokinetic Constraint by Naloxone

The co-formulated component, Naloxone, is a potent mu-opioid receptor antagonist. When the medicine is taken orally, Naloxone undergoes extensive first-pass deactivation in the liver, allowing the Nortilidine mechanism to proceed unopposed. If the oral route is bypassed, high concentrations of Naloxone act as a competitive antagonist, preventing Nortilidine from binding to and activating the mu-opioid receptor.

Dosage and Administration Information

Official Administration Guidelines

Tilidin comp.-CT is a fixed-dose combination authorized for oral administration. The administration schedule is designed to ensure the abuse-deterrent system, based on the inclusion of naloxone, remains intact and functional via the oral route.


Dosing and Scheduling

The medicine is supplied in prolonged-release tablets and an oral solution. The standard adult dosing regimen is highly individualized but is aligned with established clinical guidelines:

  • Starting Dose and Regimen: The initial dose for prolonged-release tablets often begins at 50 mg of Tilidine (with 4 mg Naloxone), administered twice daily. The tablets are typically taken at regular 12-hour intervals to maintain constant drug levels, supporting a fixed, time-contingent schedule for chronic pain management.
  • Dose Titration: Dosage may be adjusted individually across various strengths (50 mg/4 mg to 200 mg/16 mg) based on the patient's requirement. The maximum recommended dose in long-term treatment is 600 mg of Tilidine per day.
  • Oral Solution Use: The immediate-release oral solution may be used up to six times daily when appropriate for dosing flexibility or acute needs.

Administration Specifics and Special Populations

For the prolonged-release tablets, the official instruction requires the tablet to be swallowed whole. The integrity of the tablet must be preserved to ensure the release mechanism and the abuse-deterrent feature function as intended.

  • Hepatic Adjustment: Use is generally cautioned in the presence of severe hepatic impairment due to the drug's dependence on liver metabolism for activation.
  • Pediatric Guidelines: A single dose guideline for pediatric patients is 0.5 mg/kg body weight.

Recent Clinical Evidence

Research evidence / Overview of studies for Tilidin comp.-CT

Evidence for Use in Chronic Moderate to Severe Pain

Research exploring the use of this medicine for ongoing, chronic pain of moderate to severe intensity has been conducted primarily in adult populations. The evidence base includes long-term observational multicenter studies and systematic reviews.

Researchers explored outcomes related to physical discomfort by monitoring pain intensity scores and how these correlated with measures of functional stability, such as the impact on daily activity and sleep. The research describes the patterns observed in the studies over time, focusing on whether initial measured changes were sustained. Data for certain groups remain insufficient, and the long-term findings rely heavily on observational settings, suggesting that the certainty of findings is limited regarding the absolute functional outcomes.


Research on Acute Pain Relief

Research on the components' influence on acute pain was conducted using short-term, single-dose Randomized Controlled Trials (RCTs) and controlled experimental pain models. The research examined outcomes describing episodic changes, primarily focusing on the timeframe for the onset of change in pain measurement. Studies describe that the active component was observed to influence these pain measurements in a short timeframe.

These controlled studies mainly describe the observed physiological influence of the components on pain signals. Follow-up durations were limited, typically lasting only hours or days. The studies provide limited information regarding the research base for complex clinical acute pain.


Study Quality and Known Research Gaps

The evidence for the Tilidine/Naloxone combination is supported by RCTs for its short-term capacity, which are considered to provide a high level of research certainty for that specific measure. For chronic pain, the evidence level is moderate, relying on extensive long-term observational data. A key limitation is the inherent difference between trial findings and real-world outcomes: findings describe group patterns, not personal outcomes. Furthermore, comparative evidence is lacking for many long-term measures, and limited information is available specifically for older adults or individuals with severe impairment of organs responsible for metabolizing the medicine.

Frequently Asked Questions (FAQ)

Common questions about Tilidin comp.-CT (FAQ)

Q: What is Tilidin comp.-CT used for?

A: Tilidin comp.-CT is a pain reliever used to treat moderate to severe pain.

Q: What are the active ingredients in Tilidin comp.-CT?

A: The active ingredients are tilidine and naloxone.

Q: How does tilidine work to relieve pain?

A: Tilidine is an opioid analgesic. It works in the central nervous system to change how the body feels and responds to pain.

Q: What is the purpose of naloxone in this combination?

A: Naloxone is included to prevent the misuse of the medication. If the tablets are taken as prescribed, the naloxone component is mostly broken down and has no effect. However, if the medication is misused by dissolving and injecting it, naloxone prevents the euphoric effects of tilidine.

Q: How should I take Tilidin comp.-CT tablets?

A: The tablets should be swallowed whole with a sufficient amount of liquid, regardless of meals. Do not crush or chew the tablets.

Q: What are some common side effects of Tilidin comp.-CT?

A: Common side effects may include nausea, vomiting, dizziness, and drowsiness. Always consult the official package leaflet for a complete list of side effects.

Q: Can I drink alcohol while taking Tilidin comp.-CT?

A: No, alcohol should be avoided while taking this medication. Alcohol can increase the sedative effects of tilidine and may increase the risk of serious side effects, including breathing difficulties.

Q: Is Tilidin comp.-CT addictive?

A: As an opioid-containing medicine, tilidine has the potential for dependence and addiction. Taking the medication only as prescribed and for the shortest necessary duration can help minimize this risk. Consult your healthcare provider about any concerns regarding dependence.

Q: What should I do if I miss a dose?

A: If you miss a dose, take it as soon as you remember. If it is almost time for your next scheduled dose, skip the missed dose and continue with your regular dosing schedule. Do not take a double dose to make up for a missed one. Contact your healthcare provider for specific advice.

Q: What should I do in case of an overdose?

A: If you suspect an overdose, seek immediate medical attention or contact an emergency service right away. Signs of overdose can include severe drowsiness, slowed or shallow breathing, or extreme dizziness.

How should Tilidin comp.-CT be stored and disposed of?

Official Regulatory Storage and Disposal Requirements

Official regulatory documents strictly define the conditions under which Tilidin comp.-CT must be stored to maintain its stability and effectiveness.

Storage Requirement Official Statement
Temperature Do not store above 30 °C.
Protection Keep in the original package to protect from light and moisture.
Handling Do not freeze.
Child Safety Keep this medicine out of the sight and reach of children.

Disposal must comply with official pharmaceutical waste guidelines. Do not dispose of unused or expired Tilidin comp.-CT in household waste or via wastewater. For proper disposal, the medicine must be returned to a pharmacy or a designated drug take-back point.

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

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