Citodon forte

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Citodon forte

Medically reviewed

Rosario Oropesa

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 Citodon forte

Quick Facts

Property Description
Active ingredients Acetaminophen (Paracetamol) and Codeine (Opioid agonist)
Form Solid oral dosage form (Tablet)
Pharmacological class Combination analgesic; Opioid/Non-opioid combination
Common use Relief of moderate to acute pain
Origin Synthetic (Acetaminophen) and Semi-synthetic (Codeine)

What Type of Medicine is Citodon forte?

Citodon forte is a prescription-only Fixed-Dose Combination (FDC) analgesic classified within the pharmacological group of opioid and non-opioid pain relievers. It is structured as an oral solid tablet designed for the effective management of pain that requires intervention beyond standard non-opioid options.

This preparation represents a strategic formulation that employs a dual mechanism of action, a strategy for enhancing analgesic efficacy over single-ingredient drugs. The two active ingredients are Acetaminophen (fully synthetic) and Codeine (semi-synthetic), a pairing utilized for its therapeutic effect in this range. Adding codeine to paracetamol (Acetaminophen) provides an increase in pain relief.

Composition and Form: Acetaminophen and Codeine

The active ingredients in Citodon forte are Acetaminophen (also known as Paracetamol) and Codeine, typically in the salt form of Codeine phosphate hemihydrate. The medicine is provided as a standard tablet for the oral route of administration, where the designation "forte" often indicates a specific, higher strength profile compared to similar standard combinations within its market.

This combination pairs a non-opioid analgesic with Codeine, which functions as a prodrug. Codeine's full analgesic effect is due to its conversion into morphine in the body. The combination is designed to create a synergistic effect, meaning the combined therapeutic power is greater than the sum of the individual parts.

General Purpose and Synergistic Action

The primary purpose of Citodon forte is to utilize this synergistic effect to provide comprehensive analgesia for patients experiencing moderate to acute pain, such as post-operative or injury-related discomfort. By targeting pain through two distinct and complementary pathways—the central pain-modulating effect of the opioid component and the central/peripheral analgesic actions of the Acetaminophen—the medicine offers a broader scope of analgesia.

Regulatory References

  1. Codeine-containing medicines - referral

What side effects are possible with Citodon forte?

Possible Side Effects and Safety Information: Citodon Forte

Citodon Forte is a combination product containing paracetamol (acetaminophen) and codeine. Awareness of potential side effects and safety warnings is crucial during treatment.

Common Side Effects

Many people experience mild, temporary side effects, especially when first starting the medication. Common side effects associated with the codeine component include:

System/Effect Common Side Effects
Gastrointestinal Nausea, vomiting, constipation, dry mouth
Nervous System Drowsiness, dizziness, light-headedness, headache

These effects often lessen over time as the body adjusts. If they persist or worsen, consult your healthcare provider.


Serious Side Effects and Safety Warnings

Respiratory Depression

Codeine carries a risk of life-threatening respiratory depression (slowed or shallow breathing), which can occur even at recommended doses. This risk is increased when taken with alcohol or other central nervous system depressants (e.g., sedatives, sleeping aids). Seek emergency medical attention immediately if you experience breathing difficulties or extreme drowsiness.

Liver Damage

The paracetamol component can cause serious, sometimes fatal, liver damage, particularly with high doses or long-term use. Do not exceed the maximum recommended daily dose of paracetamol and avoid taking other paracetamol-containing products simultaneously.

Hypersensitivity Reactions

Severe allergic reactions (anaphylaxis) are rare but possible. Symptoms may include a rash, hives, swelling of the face, lips, or throat, and difficulty breathing. If any of these occur, stop the medication and seek immediate medical help.

Dependence and Misuse

Citodon Forte contains an opioid (codeine) and carries a risk of dependence, addiction, and misuse. Long-term use may also lead to tolerance (reduced effect) or hyperalgesia (increased sensitivity to pain). Your doctor will monitor your use to minimize these risks.

Do not drive or operate machinery until you know how this medication affects you, as it may cause drowsiness and impaired alertness.

Overdose and Emergency Response

Overdose with Citodon forte presents a dual-component toxicity risk, stemming from both the Acetaminophen and Codeine active ingredients, as documented by regulatory bodies. The opioid component (Codeine) primarily affects the Central Nervous System (CNS) and respiratory system. Manifestations include profound somnolence, confusion, constricted pupils (miosis), low blood pressure (hypotension), and progression to life-threatening respiratory depression and coma.

For the Acetaminophen component, initial symptoms are non-specific (nausea, vomiting, pallor) but can evolve into potentially fatal hepatic necrosis (severe liver damage) and acute renal failure, with effects often delayed by 48 to 72 hours.

Immediate medical attention must be sought for any suspected overdose, even if the individual feels well or is asymptomatic, due to the critical risk of delayed toxicity. The official regulatory response requires contacting emergency services or a poison control center right away.

Management documented in regulatory sources includes the administration of two specific antidotes: Naloxone to reverse the acute depressive effects of the opioid, and N-acetylcysteine (NAC) to counteract Acetaminophen hepatotoxicity. Regulatory guidance also emphasizes the critical, heightened risk of fatal overdose in children who are ultra-rapid metabolizers of Codeine.

Therapeutic Uses of Citodon forte

The primary therapeutic role of this medication is used to provide supportive symptomatic relief in clinical situations where the intensity of pain is elevated and where additional management of discomfort is required. This combination is utilized for the management of mild to moderate pain where the use of an opioid is appropriate.

Citodon forte is commonly used to help manage pronounced symptoms related to physical discomfort of moderate intensity, including toothaches, acute backaches, or significant musculoskeletal discomfort. This support is relevant in contexts involving heightened systemic burden or acute, disruptive episodes.

“The combination is applied across therapeutic domains where additional symptomatic support is needed, particularly when pain creates noticeable physiological strain.”

It is commonly applied in specific, short-term contexts where symptoms become disruptive, such as managing post-operative discomfort following minor procedures or pain related to acute injuries. This benefit is relevant in situations where symptoms remain noticeable despite the use of non-opioid medications. The medicine helps to moderate these heightened symptomatic manifestations, supporting a more manageable recovery experience and contributing to improved comfort during symptomatic periods.

Quick Fact: Relief for Painful Episodes
Primary Therapeutic Goal Symptomatic relief of moderate pain
Typical Contexts Post-operative discomfort, acute injury pain, dental procedures
Patient Benefit Supports general well-being during symptomatic phases

Eligibility and Restrictions for Use

This section outlines the official eligibility and non-eligibility requirements for Citodon forte, as documented in government regulatory sources, based on its active components.

Eligibility Scope

Population Status Eligibility Rule
Allowed Generally for patients 15 years of age and older with a body weight of at least 53 kg.
Contraindicated Women in the last trimester of pregnancy (due to potential fetal effects) and those who are breastfeeding.
Contraindicated Patients with known hypersensitivity to the active ingredients (metamizole, codeine) or other related substances (pyrazolones/pyrazolidines).
Contraindicated Individuals with impaired bone marrow function or pathological changes in the blood picture (e.g., agranulocytosis), or specific metabolic conditions like acute hepatic porphyria and glucose-6-phosphate dehydrogenase deficiency.

Eligibility-Related Restrictions

Regulatory documentation establishes strict contraindications for specific populations. Use is prohibited for children under 15 years of age due to the concentration of active substances. Furthermore, the medicine is contraindicated for women in the final three months of pregnancy and during lactation to prevent potential risk to the fetus or infant, as a precautionary measure. Caution and potential dose adjustment are also generally advised for older adults and patients with severe renal or hepatic impairment, according to official guidance.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official interaction profile for Citodon forte, a combination product containing paracetamol and codeine, is structured around the properties of both active substances.

Pharmacodynamic and Pharmacokinetic Interactions

Interaction Domain Affected Products/Classes Required Regulatory Action
Central Nervous System (CNS) Depression Benzodiazepines, other Opioids, Sedatives, Hypnotics, Alcohol Caution required; co-administration increases risk of respiratory depression and profound sedation.
Codeine Metabolism Strong CYP2D6 Inhibitors (e.g., Quinidine) May reduce analgesic effect due to decreased conversion of codeine to active metabolite (morphine).
Serotonin System Serotonergic drugs (e.g., SSRIs, SNRIs) Caution required due to documented risk of Serotonin Syndrome.
Anticoagulation Coumarin Derivatives (e.g., Warfarin) Increased monitoring (e.g., INR checks) is required as paracetamol may enhance anticoagulant effects.
Absorption Rate Metoclopramide, Domperidone, Colestyramine Absorption rate may be increased or decreased; Colestyramine requires administration at least one hour apart to avoid reduced absorption.

Co-administration with enzyme-inducing drugs (e.g., certain anticonvulsants, Rifampicin) may increase the risk of paracetamol-related liver injury. The documented use with CYP2D6 inhibitors mandates clinical consideration of reduced pain relief. Concomitant use with other CNS depressants must be closely managed due to the additive effects described in official regulatory documents.

Mechanism of Action

Citodon forte achieves its effect through the combined, yet distinct, pharmacodynamic mechanisms of its two active components.

The paracetamol component acts primarily within the central nervous system (CNS) by selectively modulating cyclooxygenase (COX) activity, specifically the COX-2 and putatively a distinct COX-3 isoform. This inhibition restricts the enzymatic synthesis of certain prostaglandins—local lipid mediators—leading to reduced concentration of these compounds at the CNS level. The resulting decrease in prostaglandin activity dampens the ascending signaling of noxious stimuli and contributes to the alteration of the hypothalamic temperature set-point.

The codeine component functions as a prodrug, undergoing metabolic conversion into its highly active metabolite, morphine, via the liver enzyme Cytochrome P450 2D6 (CYP2D6). Morphine then acts as an agonist at the mu-opioid receptors (MORs) located throughout the CNS. Activation of MORs initiates an intracellular cascade that results in the inhibition of adenylyl cyclase and a subsequent decrease in cyclic AMP production. This ultimately leads to the hyperpolarization of neuronal membranes, reducing the excitability of neurons and inhibiting the descending pain-modulating pathway to alter nociceptive processing.

Dosage and Administration Information

Official Administration Guide: Citodon forte Rectal Suppositories

Citodon forte suppositories are a combination product for rectal administration only and are intended for use in adults. The drug should not be used by children or adolescents under 18 years of age. Always use this medication strictly as prescribed by a healthcare provider.


Dosing and Frequency

The standard adult dose is 1 suppositorium per administration. The dose may be repeated, with a maximum frequency of up to four times per day (every six hours), as needed. The maximum daily dose must never be exceeded, as higher doses do not increase the intended effect and may be harmful. Consult a doctor or pharmacist immediately if you believe you have used too much of the medicine.


Procedural Steps for Use

  1. Preparation: Wash your hands thoroughly. If the suppository is too soft to handle, it may be rinsed with cold water while still in its foil packaging to firm it up. Remove the wrapping before insertion.
  2. Insertion: The suppository is administered into the rectum. To aid insertion, you may lie on your side with the lower leg straight and the upper leg bent toward the stomach. Gently insert the suppository past the anal sphincter with the rounded end first, using a finger.
  3. Retention: Remain lying down for approximately 15 minutes to allow the suppository to melt and ensure the medication is retained and absorbed.
  4. Completion: Wash your hands again after use. If you miss a dose, use it as soon as you remember, unless it is almost time for your next scheduled dose; in that case, skip the missed dose and continue your regular schedule. Do not take a double dose to make up for a missed one.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Efficacy in Chronic Neuropathic Pain

Studies have investigated the combination therapy for chronic neuropathic pain management, including in conditions such as painful diabetic peripheral neuropathy.

  • One study reported on changes in pain severity and frequency outcomes observed during the first week of treatment.
  • Research examined data related to inflammatory and neural pathways in trial participants. Research evaluated long-term changes in pain outcomes over a six-month period.
  • A randomized controlled trial (RCT) included a comparison group receiving monotherapy alone to assess comparative outcomes.

Pharmacological Profile and Research Parameters

Research findings indicate studies examined the action of the active compounds, which include a combination of analgesic and opioid agents.

  • Research evaluated the pharmacokinetic profile of the active components, including absorption and elimination rates.
  • The interaction between the two compounds was assessed. Research evaluated long-term participant-reported outcomes, including quality of life.

Tolerability and Safety Findings

Research investigated the tolerability profile across different participant groups.

  • The tolerability assessment included recording common participant responses. The nature of participant responses was categorized during the trials.
  • Studies included participants with pre-existing kidney conditions to evaluate treatment effects in this group.
  • The study design included evaluation of administration timing in relation to the onset of pain symptoms.

Disclaimer

Consultation with a healthcare provider is necessary to discuss treatment options. This information is a summary of scientific findings and should not be used as a substitute for professional medical guidance.

Key Studies & References

  1. Randomized Controlled Trial of Combination Therapy vs. Monotherapy for Pain Management in Painful Diabetic Neuropathy
  2. Pharmacokinetic and Pharmacodynamic Interaction Study of Opioid and Non-opioid Analgesic Components in Citodon forte

Frequently Asked Questions (FAQ)

Common questions about Citodon forte (FAQ)

Q: What is Citodon forte used for?

A: Citodon forte is a combination medication indicated for the short-term treatment of moderate to severe pain in adults and adolescents over a certain age, when pain cannot be relieved by other pain relievers, such as paracetamol or ibuprofen alone. Its use is generally intended for acute, rather than chronic, pain management.

Q: How long can I safely take Citodon forte?

A: The duration of treatment with Citodon forte should be as short as possible. According to official labeling, treatments generally should not exceed three days unless advised otherwise by a healthcare professional. Prolonged use or use at higher-than-recommended doses may increase the risk of dependence and other serious side effects.

Q: Can I drink alcohol while taking Citodon forte?

A: It is generally advised to avoid or limit the consumption of alcohol while taking Citodon forte. Both alcohol and the active ingredients in this medication can affect the central nervous system, and combining them may increase the risk of side effects like excessive drowsiness, dizziness, and liver damage. A healthcare provider is the best source of advice regarding alcohol consumption during treatment.

Q: Is Citodon forte the same as paracetamol (acetaminophen)?

A: No, Citodon forte contains both paracetamol (acetaminophen) and codeine. Paracetamol is an analgesic and antipyretic (pain reliever and fever reducer), while codeine is an opioid analgesic. The combination provides enhanced pain relief, but also carries the risks associated with an opioid component.

How should Citodon forte be stored and disposed of?

How to Store and Dispose of Citodon forte

Official regulatory documents define strict conditions for the storage and disposal of Citodon forte tablets.

Storage Requirements

Storage Factor Official Requirement
Temperature Store below 25, C.
Protection Store in the original container and in a cool, dry place.
Stability Do not use the medicine after the labeled expiry date.
Child Safety Keep this medicine out of the sight and reach of children.

Disposal Instructions

Unused or expired Citodon forte must not be disposed of in household waste or flushed down the drain. This requirement is in place to protect the environment. Patients must ask a pharmacist for instructions on how to properly dispose of the medicine.

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

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