Termaldina Codeina (Acetaminophen,Codeine)

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Termaldina Codeina (Acetaminophen,Codeine)

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 Termaldina Codeina (Acetaminophen,Codeine)

Quick Facts

Property Description
Active Ingredients Acetaminophen, Codeine
Form Oral Tablet
Pharmacological Class Opioid/Non-opioid Analgesic Combination, Antipyretic
Common Use Mild to moderate pain relief, Fever reduction
Origin Synthetic

What Type of Medicine is Termaldina Codeina (Acetaminophen, Codeine)?

Termaldina Codeina is a fixed-dose combination product containing the active ingredients Acetaminophen (Paracetamol) and Codeine, classified as a dual-action analgesic and antipyretic combination. The Codeine component is a widely recognized opioid analgesic, while Acetaminophen is a non-opioid analgesic and antipyretic. The addition of a low-dose opioid, like Codeine, increases the likelihood of achieving satisfactory pain relief when compared to non-opioids alone. This suggests the medicine is effective for discomfort not fully addressed by over-the-counter pain relievers. The general purpose of this formulation is to provide enhanced relief for mild to moderate pain and to reduce elevated body temperature (fever).

Composition and Physical Form of Termaldina Codeina

The preparation is structurally composed of the two specified active ingredients, both of which are primarily produced through synthetic chemical processes, ensuring consistent purity and strength. Termaldina Codeina is supplied as an oral preparation, most commonly in the form of a tablet, which is the intended route of administration. This combination is clinically recognized for its efficacy in treating pain across various etiologies, making it a standard choice in pharmacological pain management. Codeine/Acetaminophen combinations are included on essential medicine lists for their established efficacy and safety profiles when appropriately used. The fixed-dose design means a precise, pre-measured ratio of both analgesic agents is delivered in a single, convenient unit.

The Dual Action Principle: Why the Combination Matters

The use of this specific combination is based on the therapeutic principle of potentiation, where the combined effect on pain management exceeds the effect of either Acetaminophen or Codeine administered alone. This principle provides a powerful approach for pain that has been unresponsive to single-agent treatments. This formulation is often positioned for short-term management of acute discomfort in adults and adolescents, which differentiates its typical use from milder OTC preparations. The combined function ensures simultaneous intervention in both the transmission and the perception of discomfort, while maintaining the Acetaminophen component’s established role as an antipyretic for fever control.

Regulatory References

  1. WHO Essential Medicines

What side effects are possible with Termaldina Codeina (Acetaminophen,Codeine)?

Possible side effects and safety information

Regulatory documents outline the possible adverse reactions for the combination of Acetaminophen and Codeine, classifying them by frequency and the body system affected. These classifications reflect how government regulatory bodies organize and communicate the medicine's safety profile.

Frequency-Classified Adverse Reactions

The most frequently documented effects, classified as Common in regulatory materials, primarily involve the gastrointestinal and nervous systems. These include nausea, vomiting, constipation, drowsiness, sedation, and dizziness. Less common or rare effects include various skin reactions and blood disorders.

Serious Adverse Reactions and Safety Constraints

The official safety information highlights the risk of several serious adverse reactions. The Codeine component is associated with the potential for life-threatening respiratory depression and the risks of addiction, abuse, and misuse. The Acetaminophen component carries the risk of severe hepatotoxicity, which can lead to acute liver failure, often associated with cumulative doses exceeding 4,000 mg per day.

Population-Specific Safety Statements

Specific regulatory constraints exist for certain patient populations. The product is contraindicated for use in pediatric patients under 12 years of age and in adolescents following tonsillectomy or adenoidectomy. Furthermore, it should be avoided in individuals identified as ultra-rapid metabolizers of Codeine due to the elevated risk of adverse effects. Safety documentation also notes that the risk of physical dependence and tolerance increases with the duration of exposure.

Overdose and Emergency Response

Overdose and When to Seek Help: Official Regulatory Information

Overdose with Termaldina Codeina is defined by the dual toxicity profile of its components: Codeine (opioid) and Acetaminophen. Regulatory bodies, such as the FDA and national medicines agencies, explicitly state that a suspected overdose is a medical emergency requiring immediate attention.

Documented Overdose Manifestations

Component Officially Documented Symptoms/Signs
Codeine Toxicity Opioid Triad: respiratory depression (shallow/slow breathing), pinpoint pupils, and loss of consciousness (coma). Convulsions are also documented.
Acetaminophen Toxicity Early symptoms (first 24 hours) may include pallor, nausea, vomiting, anorexia, and abdominal pain. Symptoms may be delayed for days or be minimal initially.

Severe Outcomes and Emergency Action

Overdose is classified as potentially life-threatening or fatal due to several documented severe outcomes:

  • Fatal Hepatic Necrosis: Dose-dependent liver damage is the most serious consequence of Acetaminophen overdose, often delayed 48–72 hours.
  • Respiratory Failure: Life-threatening respiratory depression caused by the Codeine component.
  • Systemic Damage: Acute renal failure and cardiac arrhythmias have also been reported.

Immediate Help-Seeking Requirement

Seek immediate medical attention and/or call emergency services or a poison control center right away in the event of a known or suspected overdose, even if you feel well. The official regulatory protocol involves immediate treatment with the specific antidotes: Naloxone for opioid effects and N-acetylcysteine (NAC) for Acetaminophen toxicity, along with supportive measures like activated charcoal and cardiorespiratory support.

Therapeutic Uses of Termaldina Codeina (Acetaminophen,Codeine)

What Termaldina Codeina (Acetaminophen,Codeine) Treats: Main Uses and Benefits

This medication is applied across domains where additional symptomatic support is needed, addressing symptoms related to physical discomfort. It is relevant for managing symptoms that interfere with daily comfort and is commonly used across conditions presenting with acute episodes.

The medication helps address groups of symptoms that cluster into patterns requiring comprehensive management, particularly when symptoms related to physical discomfort occur alongside symptoms related to systemic imbalance. This provides supportive relief when symptoms interfere with routine activities, helping improve day-to-day comfort during symptomatic periods. The medication supports general well-being during symptomatic phases and assists with maintaining functional stability during difficult episodes by easing temporary distress.

Quick Fact: Relief for Moderate Discomfort (It is commonly used to help with pain and discomfort that creates noticeable functional strain.)

Regulatory References

  1. NIH DailyMed Drug Label

Eligibility and Restrictions for Use

This section details the population eligibility and exclusion criteria for Termaldina Codeina (Acetaminophen/Codeine) as established in official government regulatory documents.

Eligibility Scope

Classification Populations and Conditions
Contraindicated All children younger than 12 years of age.
Adolescents younger than 18 years post-tonsillectomy or adenoidectomy.
Patients known to be CYP2D6 ultra-rapid metabolizers.
Women who are breastfeeding (due to risk of serious infant adverse reactions).
Patients with known hypersensitivity (allergy) to acetaminophen or codeine.
Patients with significant respiratory depression or severe bronchial asthma.
Patients with severe hepatic impairment or mechanical gastrointestinal obstruction.
Restricted Use Older adults (geriatric patients) require caution and often reduced doses due to age-related organ function decline.
Patients with severe renal impairment require dose adjustment due to altered clearance.
Patients with a history of substance abuse require close monitoring.

Age and Physiological Rules

Regulatory agencies prohibit the use of this medicine in all children under 12 and strongly advise against its use in adolescents (12–18 years) with pre-existing risk factors for breathing problems, such as obstructive sleep apnea. Use during pregnancy is associated with the risk of Neonatal Opioid Withdrawal Syndrome in the newborn. The contraindication for ultra-rapid metabolizers and breastfeeding mothers is based on the significant risk of toxicity from high morphine levels.

What should I know about interactions with other medicines?

This combination medicine has two active components, Acetaminophen and Codeine, each with distinct interaction profiles.

Codeine-related Interactions

Codeine is metabolized by Cytochrome P450 enzymes, primarily CYP2D6 and to a lesser extent CYP3A4. Agents that inhibit CYP2D6 (e.g., certain antidepressants like paroxetine, fluoxetine, quinidine) may reduce the conversion of codeine to its active metabolite, morphine, resulting in diminished pain relief. Conversely, inhibition of CYP3A4 (e.g., macrolide antibiotics, some antifungals) can increase codeine levels, potentially raising the risk of opioid side effects. CNS depressants (e.g., sedatives, hypnotics, tranquilizers, general anesthetics, alcohol) can cause additive effects, increasing the risk of respiratory depression and profound sedation. Concomitant use with Monoamine Oxidase Inhibitors (MAOIs) is contraindicated. Using this medicine with other serotonergic drugs may increase the risk of serotonin syndrome.

Acetaminophen-related Interactions

Alcohol consumption and the use of any other product containing acetaminophen must be avoided to prevent cumulative liver toxicity. When used chronically, the acetaminophen component may increase the effect of oral anticoagulants (e.g., warfarin), necessitating frequent monitoring of the International Normalized Ratio (INR).

Mechanism of Action

The mechanism of the Codeine component relies on its conversion (via the CYP2D6 enzyme) into the active metabolite, Morphine, which acts as an agonist at the mu-Opioid Receptors (MOR) in the CNS and spinal cord. Activation of these receptors dampens neuronal excitability and suppresses the release of neurotransmitters, modulating the transmission of ascending nociceptive signals.

The Acetaminophen component primarily exerts its effect by inhibiting Cyclooxygenase (COX) enzymes within the brain and spinal cord, leading to a reduction in the synthesis of Prostaglandin E2 ( PGE2). This reduction biochemically resets the hypothalamic heat-regulating center, resulting in a rapid physiological decrease in core body temperature, while also modulating central nociceptive sensitization.

The combination leverages a multimodal strategy that exhibits supra-additive activity. By simultaneously modulating nociceptive signal transmission and reducing pain mediators, the drug engages distinct regulatory pathways. This synergy supports a comprehensive modulation of central physiological responses. The mechanism is physiologically constrained by the genetic variability of the CYP2D6 enzyme, which limits the formation of the active metabolite, Morphine, in Poor Metabolizers.

Dosage and Administration Information

How to Use Termaldina Codeina (Acetaminophen, Codeine): Official Administration Guidelines

The usage of this fixed-dose combination product is governed by regulatory constraints that define the appropriate route, schedule, and duration of therapy.

Administration Scope and Dosage Principles

The approved route for this combination is oral for all available forms, including tablets, solutions, and suspensions. The dosing regimen is based on the principle of using the lowest effective dosage for the shortest duration necessary.

Standard Regimen and Frequency

Instruction Official Guideline
Individual Dose 1 to 2 tablets, or equivalent liquid volume, per administration.
Dose Interval A minimum of 4 to 6 hours is required between doses.
Maximum 24-hour Dose Total acetaminophen intake must not exceed 4,000 mg (4 g) in a 24-hour period.
Duration of Use Treatment for acute pain is frequently limited to 3 days by regulatory agencies.

Procedural and Population Constraints

For oral suspensions, the container must be shaken well before measuring the dose with a calibrated device. A critical procedural constraint requires patients to ensure they are not taking other products containing acetaminophen concurrently to avoid exceeding the daily 4,000 mg maximum.

Dosing requires adjustment for specific populations. For older adults, a cautious approach, often starting at the low end of the dosing range, is recommended. Similarly, patients with renal or hepatic impairment require a reduced dose or an extended interval between administrations to account for altered elimination capacity.

Recent Clinical Evidence

Recent Clinical Evidence

Termaldina Codeina is a fixed-dose combination of acetaminophen (a non-opioid analgesic) and codeine (an opioid analgesic), used for the temporary relief of moderate pain. Recent clinical evidence primarily focuses on the combination's efficacy, comparative performance, and safety profile.


Efficacy and Comparative Studies

The combination has been evaluated in randomized controlled trials (RCTs), particularly in models of acute postoperative pain, such as following dental surgery. Evidence supports that the acetaminophen and codeine combination is effective in providing pain relief in individuals with moderate to severe pain, relative to a placebo.

  • One review of single-dose oral studies in postoperative pain suggested that the combination of acetaminophen (e.g., 600-650 mg) and codeine (e.g., 60 mg) provided clinically meaningful pain relief for approximately 40% of participants, compared to under 20% with placebo.
  • Comparative trials suggest that the combination's analgesic effect may be similar in efficacy to some non-steroidal anti-inflammatory drugs (NSAIDs) and to other commonly prescribed opioid/acetaminophen combinations, such as oxycodone/acetaminophen, for short-term pain management.

Safety and Risk Profile Considerations

Due to the presence of codeine, the combination carries the inherent risks associated with opioid analgesics. The most frequently reported adverse effects in clinical trials include nausea, vomiting, dizziness, and constipation, which are generally mild to moderate in severity. However, critical risks are associated with its use:

Primary Components Key Safety Concerns
Codeine Risk of addiction, abuse, misuse, and life-threatening respiratory depression.
Acetaminophen Risk of hepatotoxicity (liver damage), especially when exceeding the maximum recommended daily dose or when combining with other acetaminophen-containing products.

Authorities have issued strong warnings regarding the risk of addiction, abuse, and life-threatening respiratory depression, particularly during initiation of treatment. Furthermore, genetic variations in the enzyme that metabolizes codeine can affect its therapeutic and adverse effects.

Key Studies & References

  1. ACETAMINOPHEN AND CODEINE PHOSPHATE tablet (FDA/DailyMed Label)
  2. Codeine (StatPearls - NIH Bookshelf)

Frequently Asked Questions (FAQ)

Common questions about Termaldina Codeina (Acetaminophen,Codeine) (FAQ)


Q: How quickly does Termaldina Codeina usually begin to relieve pain?

Regulatory pharmacokinetic data suggests that the concentration of codeine in the bloodstream typically reaches its maximum level around one hour after administration.


Q: How long does the pain relief effect from Termaldina Codeina typically last?

The minimum waiting period between doses is four to six hours, as established in the standard regimen. This timeframe is consistent with the pharmacological characteristics of the medicine, such as the elimination half-life of approximately three hours.


Q: Does Termaldina Codeina cause constipation and how often does this happen?

Constipation is listed in regulatory documents as one of the most Common adverse reactions associated with the use of this medicine. This effect is a known physiological response associated with the opioid component.


Q: Does Termaldina Codeina interact with common cold or allergy medicines?

Official safety information advises that this medicine should be used with caution if combined with other products classified as Central Nervous System (CNS) depressants. This group includes products that act as CNS depressants, such as certain non-prescription cold or allergy medicines. Combining them can increase the risk of adverse effects like excessive drowsiness.


Q: What is the difference between physical dependence and addiction to Termaldina Codeina?

Official health resources define physical dependence as the body's natural adaptation to the medicine, which results in physical withdrawal symptoms if the drug is suddenly stopped. Addiction (or Opioid Use Disorder) is defined as a chronic condition involving the compulsive use of the drug despite resulting in harm.


Q: What are the concerns about using Termaldina Codeina during pregnancy?

Official documents state that use during pregnancy is associated with the risk of Neonatal Opioid Withdrawal Syndrome (NOWS) in the newborn. Official documents also note that babies whose mothers take opioids while pregnant are at risk of breathing problems.


Q: Are there risks associated with taking Termaldina Codeina while breastfeeding?

This medicine is contraindicated (officially advised against) for breastfeeding mothers. This is because codeine is converted into morphine, which may pass into breast milk at potentially harmful levels for the infant in some cases.


Q: Why is the pain relief from codeine sometimes less effective for some people?

For some individuals, pain relief may be reduced or absent due to a genetic variation in an enzyme called CYP2D6. Individuals classified as Poor Metabolizers have a limited capacity to convert codeine into its active pain-relieving component, morphine, which may result in less effective pain relief.


Q: Is Termaldina Codeina the same as Tylenol with codeine? (Brand clarification)

Termaldina Codeina contains the combination of acetaminophen and codeine. This is the same active formulation found in the US product known under the brand name Tylenol with Codeine (e.g., Tylenol #3 or #4) in the United States.


Q: How is Termaldina Codeina different from an NSAID like ibuprofen?

This medicine is a combination of an opioid analgesic (codeine) and a non-opioid analgesic (acetaminophen). Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), such as ibuprofen, are in a different pharmacological class and do not contain an opioid component.


Q: Is it common to feel unusually calm or drowsy after taking Termaldina Codeina?

Official safety information lists drowsiness and sedation as common side effects. Codeine affects the Central Nervous System (CNS). Feelings of mental status change or sleepiness are noted effects of this class of medicine.


Q: Can Termaldina Codeina cause a skin rash or allergic reaction?

Official safety information warns of the risk of serious skin reactions. Regulatory advice directs patients to stop taking the medicine and seek medical attention if a rash develops during treatment.


Q: Does long-term use of the drug affect sexual function or hormone levels?

Long-term use of the opioid class of medicines, which includes codeine, may be associated with decreased levels of sex hormones. This potential effect can result in symptoms such as reduced interest in sex or infertility (Androgen Deficiency).


Q: What is Serotonin Syndrome and is it linked to Termaldina Codeina?

Serotonin Syndrome is a rare but potentially life-threatening condition caused by too much serotonin in the brain. Regulatory warnings state this medicine, when used with certain other serotonergic drugs (like some antidepressants), can lead to this syndrome.


Q: Can people with high blood pressure use Termaldina Codeina?

The opioid component of the medicine can affect the body's ability to maintain blood pressure. This effect, which may cause low blood pressure (hypotension), is a potential risk noted in official drug information.


Q: Is Termaldina Codeina safe to use if a person has kidney disease?

Official guidelines indicate that patients with severe renal impairment (kidney disease) require a reduced dose or an extended interval between administrations. This adjustment accounts for the altered elimination capacity of the medicine.


Q: What does it mean if the medicine seems to stop working over time? (Tolerance)

Tolerance is a known risk of continued opioid use, where a person’s body may adapt to the medicine. This process can result in a reduced effect over time.


Q: What are common signs of physical withdrawal if the medicine is stopped suddenly?

Common signs of physical withdrawal reported upon sudden discontinuation include restlessness, eye tearing, runny nose, yawning, sweating, chills, muscle aches, anxiety, and difficulty sleeping.


Q: Are there studies on the use of Termaldina Codeina for chronic vs acute pain?

The medicine is indicated for the short-term management of acute pain. Available regulatory and governmental reviews generally do not support the long-term use of opioids for the management of chronic non-cancer pain.


Q: Does Termaldina Codeina cause changes to mood or mental health?

Mental status or mood changes are listed as potential serious effects or symptoms of withdrawal. These effects can include anxiety, depression, agitation, or confusion.


Q: Can this medicine affect the results of certain lab tests?

The acetaminophen component may produce false-positive test results for specific urinary laboratory tests, such as those for 5-hydroxyindoleacetic acid.


Q: Are there food restrictions while taking Termaldina Codeina?

Official pharmacokinetic information indicates that most foods do not significantly affect the absorption of the codeine component. However, concurrent use of alcohol or other acetaminophen products is strictly advised against.

How should Termaldina Codeina (Acetaminophen,Codeine) be stored and disposed of?

Storage and Disposal of Acetaminophen and Codeine

Acetaminophen and Codeine Phosphate tablets must be stored at controlled room temperature, specifically between 20 C and 25 C (68 F to 77 F). The product must be kept out of the reach and sight of children and stored in a safe, secure place to prevent theft or accidental exposure due to the codeine component.

Environmental and Container Requirements

The medicine should remain in its original container, which must be kept tightly closed to protect the contents from excess heat, moisture, and light. Storage away from these conditions helps maintain product stability through the expiration date.

Official Disposal

Unused or expired tablets should be disposed of in accordance with local regulations. The preferred method is using a drug take-back program or an authorized collector. If these are unavailable, official guidelines permit mixing the medicine with an undesirable substance (like dirt or used coffee grounds), placing the mixture in a sealed container, and then discarding it in the household trash.

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

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