Kodone

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Kodone

Treatment option: Pain

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 Kodone

Quick Facts

Property Description
Active ingredient Hydrocodone bitartrate and Acetaminophen (APAP)
Form Oral Tablet (Immediate-release or Extended-release)
Pharmacological class Narcotic Analgesic and Non-Opioid Analgesic Combination
General Purpose Relief of moderate to severe pain
Origin Semi-synthetic (Hydrocodone) and Synthetic (Acetaminophen)

What Type of Analgesic is Kodone?

Kodone is defined as a prescription medication characterized as a fixed-dose combination drug utilized for managing pain. It belongs to the dual pharmacological class combining an opioid analgesic with a non-opioid analgesic, specifically formulated to provide a high level of pain relief by acting on the central nervous system. This classification confirms that the medicine is clinically recognized as an essential tool for treating moderate to severe pain when simpler, single-agent options are insufficient. This formulation is common, with other products containing the same active ingredients, differentiating it from single-ingredient opioid products.

Composition: What Are the Active Ingredients in Kodone?

The medicine is composed of two distinct active ingredients: Hydrocodone bitartrate and Acetaminophen (INN). Hydrocodone bitartrate is a semi-synthetic opioid, chemically derived from opium alkaloids, while Acetaminophen is a synthetic compound that also functions as an antipyretic. The medication is administered via the oral route as a tablet, available in both immediate-release (IR) and extended-release (ER) formulations to control pain over varying durations. This combination is designed for the management of severe pain, ensuring both ingredients work together for pain control.

How Do the Components Work Together for Pain Relief?

The dual composition is engineered to produce a powerful synergistic analgesic effect by addressing pain via two independent mechanisms. Hydrocodone acts as a centrally-acting analgesic, engaging receptors in the Central Nervous System (CNS) to modify the transmission of pain signals. Acetaminophen complements this by contributing to pain sensitizer reduction, inhibiting specific chemical mediators within the CNS. This two-pronged strategy is the product's primary general purpose: providing comprehensive pain control by targeting multiple pain pathways simultaneously.

Regulatory References

  1. Hydrocodone Combination Products: MedlinePlus Drug Information
  2. Hydrocodone and Acetaminophen - StatPearls - NCBI Bookshelf

What side effects are possible with Kodone?

Possible Side Effects and Safety Information

This section describes the possible adverse effects and safety characteristics of the Hydrocodone/Acetaminophen combination as documented in official government regulatory texts. The presentation of side effects is organized by frequency and the body system affected, consistent with regulatory classifications.

Adverse Reactions Classified by Frequency and System

Regulatory documents classify certain events as common adverse reactions, meaning they are observed in one percent or more of patients. These effects predominantly involve the nervous and gastrointestinal systems:

  • Nervous System Disorders: Sedation, dizziness, and light-headedness.
  • Gastrointestinal Disorders: Nausea, vomiting, and constipation.
  • Skin and Subcutaneous Tissue Disorders: Pruritus (itching).

Serious Adverse Reactions

The official safety profile highlights specific, potentially severe risks. Respiratory Depression, a dangerous slowing or shallowing of breathing, is a primary risk associated with the hydrocodone component. The acetaminophen component is associated with the risk of Hepatotoxicity (severe liver injury), which can be fatal, especially when the maximum daily dosage is exceeded. Risks of Addiction, Abuse, and Misuse are documented due to the opioid classification.

Contextual Safety Notes

The risk of certain serious adverse reactions, such as respiratory depression, is noted to be highest at the initiation of therapy or following a dose increase. Furthermore, specific safety considerations are documented for certain populations: Older adults may have an increased sensitivity to respiratory effects, and caution is required for individuals with hepatic or renal impairment due to the heightened risk of drug accumulation and toxicity. The total daily dosage of the acetaminophen component is strictly limited to mitigate the risk of severe liver damage.

Overdose and Emergency Response

Overdose of Hydrocodone/Acetaminophen is documented by regulatory authorities as carrying the risk of severe toxicity from both active ingredients, necessitating immediate professional intervention. The hydrocodone component may lead to dose-related central nervous system depression, including extreme somnolence progressing to coma, and potentially fatal respiratory depression and apnea. Documented severe outcomes include cardiac arrest and circulatory collapse. The acetaminophen component carries the risk of potentially fatal hepatic necrosis (liver failure).

Clinical evidence of this liver damage is often delayed, sometimes not becoming apparent until 48 to 72 hours post-ingestion, requiring extended monitoring of vital signs and acetaminophen blood levels. Regulatory authorities mandate that individuals must seek immediate medical attention and contact a poison control center immediately upon suspected overexposure.

Emergency measures include the administration of specific antidotes: Naloxone for opioid effects and N-acetylcysteine for acetaminophen toxicity, alongside mandatory support of cardiorespiratory function. Accidental ingestion of even a single dose by a child carries the risk of a fatal overdose, a population-specific risk highlighted in official labeling.

Therapeutic Uses of Kodone

The primary purpose of Kodone (Hydrocodone/Acetaminophen) is to provide multi-faceted relief across three key symptomatic domains, often applied in clinical settings that involve acute or unstable symptom patterns. The drug is commonly used for managing pain severe enough to require an opioid, and it is recognized as a therapeutic option for such management.


What Kodone Treats: Main Uses and Benefits

This medication is commonly used to help with symptoms related to physical discomfort that interfere with daily functioning. The primary therapeutic domains include managing symptoms related to physical discomfort, reducing systemic imbalance (fever), and calming irritative states (cough). It is relevant in conditions presenting with systemic or localized discomfort, often following procedures or traumatic injury, and applied when a high level of symptomatic support is required.

This approach supports general well-being by easing the overall symptom burden. It assists with managing symptoms that may become temporarily overwhelming.

“The combination approach is commonly utilized in clinical practice when significant pain necessitates multi-domain symptomatic support.”

It is applied in scenarios where additional management of discomfort is required, such as in the management of severe, cancer-related pain, supporting patients during episodes of heightened discomfort.


Quick Fact: Relief for Pain and Associated Symptoms
Primary Indication: Management of moderate to severe pain.
Secondary Benefits: Helps address elevated body temperature (fever) and intense, nonproductive cough.
Context of Use: Relevant in conditions characterized by periods of heightened symptoms, like post-traumatic or severe episodic pain.

Eligibility and Restrictions for Use

Kodone (Hydrocodone/Acetaminophen) eligibility is governed by official regulatory documentation that strictly defines populations permitted to use the medicine, as well as those who are contraindicated or require restricted use.


Eligibility Scope

Classification Population Status Defined by Regulators
Allowed Adults for the management of pain; Adolescents (generally ge 12 years) for immediate-release formulations.
Contraindicated Patients with significant respiratory depression or acute/severe bronchial asthma. Individuals with paralytic ileus or known hypersensitivity to Hydrocodone or Acetaminophen.
Restricted Use Elderly patients (ge 65) require cautious use due to increased sensitivity. Patients with severe hepatic or renal impairment must be monitored closely due to toxicity and clearance risks.

Age and Physiological Restrictions

Regulatory labeling states that safety and effectiveness have not been established in pediatric patients (typically under 12 years of age), making this population ineligible for standard use. Pregnancy and lactation are restricted-use categories; prolonged use during pregnancy is associated with a specific risk of Neonatal Opioid Withdrawal Syndrome (NOWS), and use while breastfeeding is generally not recommended due to potential infant exposure.

What should I know about interactions with other medicines?

Kodone Interactions with Other Medicines and Products: Official Regulatory Findings

The interaction profile for Kodone (Hydrocodone/Acetaminophen) is defined by regulatory bodies based on the metabolic and pharmacodynamic properties of its two active ingredients. The profile establishes several mandatory restrictions and contraindications for co-administration.


Documented Pharmacokinetic Interactions

Interactions that alter the level of the opioid component, hydrocodone, are often linked to the CYP3A4 and CYP2D6 enzyme systems. Co-administration with CYP3A4 inhibitors may increase the plasma concentration of hydrocodone, while CYP3A4 inducers may cause a decrease in concentration. Inhibition of CYP2D6 is documented to decrease the formation of the active metabolite, hydromorphone.

Pharmacodynamic and Co-Administration Restrictions

Substance Category Documented Interaction Effect Restriction Note
Other CNS Depressants Additive Central Nervous System (CNS) depression Use is cautioned to prevent intensified effects.
Serotonergic Agents Potential for Serotonin Syndrome Closely monitored use; MAO Inhibitors require a 14-day separation if therapy is stopped.
Alcohol (Ethanol) Additive CNS depression; rapid release (ER form) Co-ingestion is restricted due to heightened risk.
Other Acetaminophen Products Risk of Acetaminophen Overdose Restricted use to avoid exceeding the maximum daily dose.

Population-Specific Notes

The regulatory profile advises caution for patients with severe hepatic or renal impairment as the risk of accumulation of the drug and its metabolites is greater. For elderly patients, official guidance suggests that the effects of the medicine may be increased, requiring close observation.

Mechanism of Action

Kodone is a central nervous system (CNS)-active chemical entity, acting as a full agonist at the mu-opioid receptor ( MOR) protein, with lower affinity for delta- and kappa-opioid receptors ( DOR and KOR). The primary molecular target is the MOR, a G-protein-coupled receptor ( GPCR).

Binding of Kodone to the MOR activates the associated inhibitory Gi/o protein complex. This activation initiates an intracellular cascade by promoting the exchange of GDP for GTP on the alpha subunit. The liberated alphai/o subunit and the betagamma dimer then modulate downstream effectors. Specifically, the alphai/o subunit inhibits the enzyme adenylyl cyclase ( AC), which leads to a decrease in the intracellular concentration of cyclic adenosine monophosphate ( cAMP). Simultaneously, the betagamma dimer opens inwardly rectifying potassium channels and inhibits voltage-gated calcium channels.

The overall cellular consequence in neuronal tissue is hyperpolarization and a reduction in neurotransmitter release, which decreases the excitability of neurons. System-level physiological modulation involves altered perception and responsiveness to afferent signals within the spinal cord and supraspinal structures.

Dosage and Administration Information

Administration Guidelines

Kodone, a fixed-dose combination, is intended for use via the oral route and is available as an immediate-release tablet or an oral solution. The medicine is administered on an as-needed basis (PRN) for the management of pain, with doses scheduled to be taken every 4 to 6 hours.

Administration involves specific limits for both active components. The dose for the Acetaminophen component from all sources is monitored, as the maximum total daily intake should not exceed 4 g (4000 mg) in 24 hours. The usual unit dose involves one or two tablets of the prescribed strength, and the Hydrocodone component has an overall daily restriction, generally not surpassing 60 mg per day.

The oral solution form requires accurate measurement using a calibrated device to ensure dosing precision. The tablets or solution may be taken with or without food.

Dosing considerations include specific patterns for different groups. For older adults, dose selection is typically cautious, often initiating at the low end of the prescribed range. Similarly, patients with renal or hepatic impairment may require lower doses. Furthermore, after a period of regular use, the medicine involves gradual dose reduction (tapering) upon cessation, as abrupt discontinuation is not the standard clinical procedure.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Kodone

This overview focuses on the official research evidence that has been conducted for the combination of hydrocodone and acetaminophen, describing the types of studies, the populations examined, and what remains to be learned, without offering medical advice.


Evidence for Use in Acute Moderate to Severe Pain

The primary evidence base concerning this medication was established by numerous short-term Randomized Controlled Trials (RCTs) and subsequent Meta-analyses. These studies were used in research exploring how outcomes related to physical discomfort change over time, specifically for acute symptom patterns, such as pain following dental surgery or musculoskeletal injuries.

Analysis of the findings shows that in many trials, the patterns observed in the studies where pain score changes were sometimes comparable to those of non-opioid combination regimens, and the evidence base includes analyses showing a lack of superiority in some trials. The research describes that the onset of observable changes in pain scores occurred in the hours immediately following administration.

Study Design and Measured Outcomes for Acute Pain

Research in this area explored outcomes reflecting daily functioning or activity level in the immediate post-injury or post-operative phase. The results apply only to the populations studied, which were mainly healthy adults experiencing acute, time-limited pain.


Evidence for Use in Chronic Cancer-Related Pain

Systematic reviews and some dedicated RCTs compared this combination to other weak opioid-acetaminophen formulations. Studies monitored how symptoms evolved in the observed populations, and the reported pain score changes were within the range of those reported for similar medications in this setting. The evidence quality varies across studies.


Evidence Landscape for Chronic Non-Cancer Pain

For chronic non-cancer pain (CNCP), the evidence base relies more heavily on data from open-label studies or is often derived from trials focused on the extended-release (ER) single-ingredient hydrocodone component. The data show patterns related to how individuals with chronic conditions were observed in observational settings evaluating daily-life functioning. However, the certainty remains low for the combination product in this setting because comparative evidence is lacking from large-scale, long-term RCTs.


Long-Term Studies and Follow-up Durations

Research exploring the long-term outcomes of this combination in the general population is limited. For acute pain, follow-up is generally very short-term, meaning long-term effects are not fully established. While the medicine was observed in longer-term observational settings for chronic conditions, these designs do not provide the same level of evidence quality as long-term, randomized, controlled trials.

Key Studies & References

  1. Effect of a Single Dose of Oral Opioid and Nonopioid Analgesics on Acute Extremity Pain in the Emergency Department: A Randomized Clinical Trial

Frequently Asked Questions (FAQ)

Common questions about Kodone (FAQ)


Q: Is Kodone considered a controlled substance in the US?

According to the US Drug Enforcement Administration (DEA), the hydrocodone component of this medicine is classified as a Schedule II controlled substance. This classification indicates that the medicine has a recognized medical use but carries a high potential for abuse, which is why its distribution is tightly controlled.


Q: What is the difference between Kodone and other similar medicines I've heard about?

Official regulatory descriptions define this medicine as a fixed-dose combination product. This means it contains two distinct active ingredients: an opioid analgesic (hydrocodone) and a non-opioid analgesic (acetaminophen). This dual composition is a defining characteristic that sets it apart from single-ingredient pain medicines.


Q: How long does one dose of Kodone typically stay active in the body?

Official pharmacokinetic data, which describes how the body processes the medicine, reports that the half-life of the hydrocodone component is approximately 4.5 to 8 hours. The half-life refers to the time it takes for the amount of medicine in the body to be reduced by half.


Q: Can Kodone affect my sleep patterns or cause insomnia?

Official regulatory reports indicate that insomnia (difficulty sleeping) has been observed as an uncommon adverse reaction in studies of this medicine. However, because it can also cause common central nervous system effects like sedation, individuals may experience varied changes to their sleep patterns.


Q: What is the risk of developing tolerance to Kodone over time?

Official documents state that tolerance may develop during the course of therapy. Tolerance refers to a state where a person's body adapts to the medicine, and increasing doses may be needed to achieve the same effect over time. This is a risk documented in the official prescribing information.


Q: Is there a maximum length of time that Kodone should be used?

Regulatory documents specify this medicine is indicated for the short-term management of acute pain. While the official prescribing information does not universally define a maximum duration of use, its short-term indication reflects the limited nature of the long-term evidence base.


Q: Are there any specific supplements or vitamins that should be avoided while taking Kodone?

Official medicine labels advise caution with any agents, including certain supplements or vitamins, that are known to affect the CYP3A4 and CYP2D6 liver enzymes. Altering the activity of these enzymes could impact the level of the medicine in the body.


Q: Does Kodone interact with common over-the-counter pain relievers like ibuprofen?

Regulatory information explicitly restricts co-administration with other acetaminophen products to prevent exceeding the maximum daily dose for safety. However, official documents do not typically list non-steroidal anti-inflammatory drugs (NSAIDs) like ibuprofen as a major interaction or contraindication. All concurrent use should be discussed with a healthcare provider.


Q: Are there any known interactions between Kodone and herbal remedies?

Official warnings caution against using the medicine with products that have serotonergic activity or are strong enzyme inhibitors or inducers, including certain herbal remedies. These substances can potentially alter the medicine's metabolism or intensify its effects on the central nervous system.


Q: Does Kodone have a risk of causing long-term damage to the liver or kidneys?

The primary risk associated with the acetaminophen component is Hepatotoxicity, which is severe liver damage that can be fatal. This risk is specifically documented when the official maximum daily dose is exceeded. Due to this risk, official regulatory documents indicate that individuals with pre-existing hepatic (liver) or renal (kidney) impairment may require careful consideration.


Q: What are the signs that a person may be having an allergic reaction to Kodone?

Official warnings list known hypersensitivity (allergy) to the components as a contraindication. Signs of a severe allergic reaction described in regulatory documents can include hives, swelling of the face, mouth, and throat, or difficulty breathing.


Q: Why is Kodone only available through a prescription?

Official classifications state that because the medicine contains an opioid component that is considered a narcotic, it has the potential for Addiction, Abuse, and Misuse. For this reason, and due to the need for medical supervision, regulatory bodies restrict its availability to prescription-only use.


Q: Is Kodone recommended to be stored in the refrigerator or at room temperature?

According to patient information provided by regulatory agencies, the medicine should be stored securely at room temperature. Regulatory guidelines emphasize the need to store it away from excessive heat and moisture to maintain its stability.


Q: What are the restrictions regarding driving or operating machinery while on Kodone?

Official regulatory labels include a specific warning that the medicine may impair the mental and physical abilities required for performing potentially hazardous tasks. These tasks include driving a vehicle or operating machinery. The CNS effects like dizziness and sedation make this restriction necessary.


Q: Is it true that Kodone can cause 'brain fog' or difficulty concentrating?

Official safety information lists common Central Nervous System (CNS) side effects such as sedation, dizziness, and light-headedness. These documented effects are related to and may affect a person's mental acuity and concentration, which users may describe as 'brain fog'.


Q: Does Kodone contain any ingredients that are known allergens?

Official documents contraindicate the use of the medicine for individuals with known hypersensitivity (allergies) to the active ingredients, Hydrocodone or Acetaminophen. Information regarding other potential allergens from inactive ingredients is typically detailed within the full prescribing label.


Q: Is Kodone ever used in combination with other prescription medicines for the same condition?

Official prescribing text describes this medicine's role as a component of a complete pain management regimen. For this reason, its use may involve concurrent administration of other non-opioid medications as directed by a healthcare professional.


Q: What official body approved Kodone for use in my country?

The official body that approved this medicine depends on the country where it is used. For example, in the United States, the medicine is subject to the regulation and approval of the FDA ( Food and Drug Administration). Other countries rely on their respective government drug authorities.


Q: Is it possible to become dependent on Kodone after only a short course of treatment?

Regulatory warnings indicate that the risk of Addiction, Abuse, and Misuse exists even with appropriate use of the medicine. This risk can be present following only a few days of therapy due to the opioid component.


Q: Can Kodone be taken safely with medications for high blood pressure?

Official documents do not list specific antihypertensive drugs (medications for high blood pressure) as a major contraindication. However, warnings caution about the potential for additive hypotensive effects (a drop in blood pressure) when used concurrently with Central Nervous System (CNS) depressants.


Q: What happens if I miss a scheduled dose of Kodone?

Patient instructions provided by regulatory agencies generally state that a missed dose may be taken as soon as the person remembers. However, if it is close to the time of the next scheduled dose, the missed dose is typically skipped.


Q: Can Kodone be crushed or broken if swallowing whole is difficult?

The official label for immediate-release tablets usually states that they may be crushed or chewed if necessary for administration. However, this instruction can vary by formulation, and the specific product information should be referenced.


Q: Is Kodone available as a generic medicine?

Official drug listings and information for this combination product indicate that generic versions are listed and available from multiple manufacturers. Generic medicines must meet the same quality and effectiveness standards as the brand-name product.


Q: Can taking Kodone affect the results of routine medical lab tests?

Regulatory texts typically include a warning that the acetaminophen component of this medicine may cause false-positive results when testing for urinary 5-HIAA (5-hydroxyindoleacetic acid). This is a consideration for specific laboratory assessments.


Q: What are the specific requirements for monitoring a person's health while taking Kodone?

The official guidance typically requires routine monitoring of a person's health, particularly their respiratory status and liver function. This heightened monitoring is suggested for patients on extended therapy or those who are at an increased risk of adverse reactions.


Q: If Kodone is used for an extended period, does it require regular dose adjustments?

Official recommendations state that for long-term use, the smallest effective dose should be used for the shortest possible duration. This approach suggests regular dose review and potential adjustment by a healthcare professional to maintain the lowest necessary dose.


Q: How does the body eliminate Kodone once it has been metabolized?

Official pharmacokinetic data explains that after the medicine is processed by the body (metabolized), the components and their byproducts are primarily eliminated by the kidneys. This process is referred to as renal excretion.


Q: If I am already taking other medications, how should I check for Kodone interactions?

Patient guidelines from regulatory agencies generally advise maintaining a complete, up-to-date list of all medicines, supplements, and herbal products currently being taken. This list is typically reviewed with the prescribing clinician to check for potential interactions with this medicine.

How should Kodone be stored and disposed of?

How to Store and Dispose of Kodone?

Official regulatory documents emphasize the need for secure storage and prompt, controlled disposal of this medicine, aligning with guidelines for opioid pain relievers.

Storage Requirements

The medicine must be stored in a secure location, strictly out of the sight and reach of children, pets, and unauthorized individuals. The storage area should be inaccessible to others.

Disposal Requirements

Unused or expired medicine must be disposed of immediately. The primary recommended method is to drop off the medicine at an authorized drug take-back location or utilize a mail-back program.

If a take-back option is unavailable, the medicine should be rendered unusable at home:

  • Mix the medicine (do not crush tablets) with an undesirable substance, such as dirt or used coffee grounds.
  • Seal the mixture in a container (e.g., a zipper storage bag or empty can) to prevent leaking.
  • Discard the sealed container in the household trash.

For certain specific formulations identified on the FDA flush list, flushing down the toilet is permitted when take-back options are not readily available, as the risk of accidental exposure is considered greater than the environmental risk.

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

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