Амицитрон

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Амицитрон

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Treatment option: Pain, Influenza

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 Амицитрон

Quick Facts

Property Description
Active Ingredients Acetaminophen, Pheniramine, Phenylephrine, Sodium Ascorbate
Form Oral Powder for Reconstitution
Pharmacological Class Upper Respiratory Combination Agent
General Purpose Symptomatic relief of cold and flu discomforts
Origin Synthetic/Derived Combination Product

Classification and Composition: Defining the Quaternary Drug Mixture

Амицитрон is a specialized, multi-component medicinal product defined by its pharmacological class as an Upper Respiratory Combination agent, a formulation structure intended for use in targeting multiple symptoms simultaneously. Its core identity is a Quaternary drug mixture that integrates four distinct active ingredients: Acetaminophen, Pheniramine, Phenylephrine, and Sodium Ascorbate, all typically derived from synthetic/derived sources.

The combination strategy is designed for comprehensive relief: Acetaminophen is classified as a non-opioid analgesic and antipyretic, a component essential for reducing fever and general pain. Phenylephrine functions as a nasal Decongestant intended to reduce nasal congestion associated with common colds. This medicine helps ease discomfort by reducing nasal blood flow, thereby shrinking swollen sinus tissue.

Form and General Therapeutic Purpose

The medicine is supplied as an Oral Powder for Reconstitution (water-soluble granules), distinguishing it from solid tablet forms. This form is designed for dissolution in water prior to oral ingestion, facilitating the preparation of a warm solution, which is a key characteristic intended to provide immediate soothing comfort in the throat before the systemic effects commence.

The primary function of Амицитрон is to serve as a Symptomatic Cold and Flu Relief Agent. Its general therapeutic purpose is to provide simultaneous relief from the principal discomforts associated with common cold symptoms or influenza symptoms. For instance, the Pheniramine component, a First-Generation Antihistamine, is included to manage allergic-like symptoms such as sneezing and watery eyes. This dual-action approach is utilized for managing typical evening or nighttime cold discomforts where multiple symptoms often disrupt rest.

Regulatory References

  1. NIH Review
  2. DrugBank DB01620

What side effects are possible with Амицитрон?

Possible Side Effects and Safety Information

The officially documented safety profile for this quaternary combination medicine is based on the known adverse reactions of its active components, classified across several System-Organ Classes (SOCs) in regulatory labeling. The effects are categorized by frequency, ranging from common, generally expected reactions to rare, serious adverse events.

Adverse Reaction Classification

Category Documented Effects
Common / Expected Drowsiness, dry mouth, dizziness, nausea, and vomiting. Drowsiness is often most pronounced at the initiation of treatment, particularly due to the first-generation antihistamine component.
Less Common Nervousness, insomnia, tremor, and various skin rashes.
System-Organ Classes Effects are reported in the Nervous System, Gastrointestinal System, Cardiac/Vascular System, and Hepatobiliary System.

Serious Adverse Reactions and Safety Constraints

The label documents risks of serious, though rare, adverse reactions. The most clinically significant is Acute Hepatic Failure (severe liver damage) associated with the acetaminophen component, particularly if the maximum daily dose is exceeded or if taken with other acetaminophen-containing products. Rare, severe skin reactions, such as Stevens-Johnson Syndrome (SJS), have also been documented.

Safety constraints and restrictions formally define the medicine’s use. The product is contraindicated with concurrent or recent use of Monoamine Oxidase Inhibitors (MAOIs) due to the risk of severe blood pressure increases. Use is also restricted in individuals with pre-existing conditions like severe hypertension, severe coronary artery disease, or severe hepatic insufficiency.

Population-specific safety considerations note that older adults may exhibit increased sensitivity to effects like dizziness and confusion, and patients with pre-existing hepatic impairment have a heightened risk of liver toxicity.

Overdose and Emergency Response

The officially documented overdose profile for Амицитрон addresses the combined toxic effects of its multiple active components, presenting a risk of both acute systemic reactions and delayed, severe organ damage, as outlined in authoritative regulatory documents.

Documented Manifestations and Severe Outcomes

System Documented Manifestations
Hepatic Initial nausea, vomiting, abdominal pain, diaphoresis
CNS Drowsiness, agitation, tremor, excitation, hallucinations
Cardiovascular Tachycardia, hypertension, palpitations

Severity Classification: Overdose is classified as potentially severe and life-threatening due to the documented outcomes of fatal hepatic necrosis, severe hepatic failure, convulsions, and cardiac arrhythmias.

Regulatory-Mandated Emergency Actions

Regulatory guidance mandates that individuals seek immediate medical attention following any known or suspected overdose. This action is required even when initial symptoms are not yet evident, owing to the critical potential for delayed onset of severe, irreversible hepatotoxicity. Official documents specify contacting emergency services or a certified Poison Control Center immediately for required management.

Management protocols focus on providing symptomatic and supportive treatment. A specific antidote, N-acetylcysteine, is documented for the acetaminophen component. Hospital monitoring, including continuous cardiac observation and laboratory assessment of plasma concentrations and hepatic function, is required to track potential organ damage and acute systemic effects.

Therapeutic Uses of Амицитрон

What Амицитрон treats: Main Uses and Benefits

The medication is commonly used in settings marked by temporary physiological imbalance associated with acute respiratory viral infections, including the common cold and influenza. The formula is applied across therapeutic domains where short-term symptomatic assistance is needed to address the sudden onset of distressing manifestations.

It is used for managing symptoms related to systemic imbalance, such as fever, headache, and generalized muscle aches; and for easing symptoms that interfere with daily functioning, specifically nasal congestion, runny nose, sneezing, and watery eyes. This supportive management provides support that helps ease the overall symptom burden during periods when symptoms intensify.

“The combination approach is relevant when multiple acute symptoms cluster together, requiring comprehensive support.”

Quick Fact: Relief for Multi-Symptom Discomfort

Symptom Domain Purpose of Use
Systemic Symptoms Helps manage fever and body aches
Nasal Symptoms Assists with easing congestion and pressure
Allergic Manifestations Supports control of sneezing and discharge

By addressing the cluster of symptoms associated with heightened physiological activity, the medication contributes to improved comfort during periods of heightened symptoms, supporting the patient during difficult episodes by easing distress.

Regulatory References

  1. DailyMed drug label for combination cold relief

Eligibility and Restrictions for Use

Who can and cannot use Амицитрон?

Regulatory documents define eligibility for Амицитрон based on contraindications and restrictions related to its active ingredients (Acetaminophen, Pheniramine, Phenylephrine, Sodium Ascorbate).

Contraindicated Populations (Must Not Use)

Use is contraindicated in patients with a known hypersensitivity to any component, or who are currently taking or have taken Monoamine Oxidase Inhibitors (MAOIs) within the last 14 days. It is also contraindicated in individuals with Severe Hypertension, Severe Coronary Artery Disease, Thyrotoxicosis, Narrow-angle Glaucoma, or Pheochromocytoma.

Age and Condition Restrictions

Use is Not Recommended in children under 12 years of age. Older adults should use the medicine with Caution. The label advises against use in individuals with a history of alcoholism or heavy daily alcohol consumption due to the Acetaminophen component.

Special Populations

Use is Not Recommended during pregnancy or lactation. Individuals with Impaired Hepatic Function (liver disease), Severe Renal Impairment (kidney disease), Diabetes Mellitus, or conditions causing Urinary Retention must use the medicine with Caution, as stated in the prescribing information.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documentation identifies specific drug-drug and drug-substance interaction patterns for this multi-component medicine.

Contraindicated and Restricted Combinations

Co-administration with Monoamine Oxidase Inhibitors (MAOIs) is formally prohibited and requires a mandatory 14-day washout period after the MAOI is stopped. Additionally, the product must not be co-administered with any other medicine containing Acetaminophen/Paracetamol due to the officially documented risk of severe hepatic injury from exceeding the dose limit.

Pharmacodynamic and Pharmacokinetic Interactions

**Interacting Agent Type** **Official Regulatory Outcome**
**CNS Depressants** (e.g., sedatives, opioids) Documented to result in **additive depressant effects** on the Central Nervous System.
**Sympathomimetic Amines** Documented to result in **additive pressor effects**, increasing the risk of hypertension.
**Coumarin Anticoagulants** (e.g., Warfarin) May **increase the anticoagulant effect** via interaction with the Acetaminophen component.
**Cholestyramine** Significantly **reduces the absorption** of Acetaminophen; requires administration separation.

Substance and Population Considerations

Risk of severe hepatotoxicity is officially documented to be significantly increased with chronic, heavy consumption of Alcohol (ethanol). Hepatic enzyme inducers, such as Phenytoin or Barbiturates, are documented to increase the risk of hepatotoxicity. Official labeling notes that Elderly Patients may have increased sensitivity to additive CNS depressant effects when co-administering with other depressants.

Mechanism of Action

How Амицитрон Works: Mechanism of Action

The mechanism of Амицитрон relies on the precise, complementary engagement of multiple distinct biological systems, allowing for simultaneous modulation of central signaling pathways and localized physiological responses.


️ Central Modulation of Thermoregulation and Nociception

This domain covers the Central Nervous System ( CNS) activity where Acetaminophen acts as a central inhibitor of COX enzymes, suppressing PGE2 synthesis in the brain. This molecular step directly modulates the hypothalamic set point, initiating heat loss mechanisms and modulating nociceptive signaling.


Dual Modulation of Nasal Vascular Dynamics

The localized effect results from two complementary mechanisms. Phenylephrine acts as an agonist on alpha1 Adrenergic Receptors to induce vasoconstriction, physically reducing tissue volume within the nasal mucosa. Simultaneously, Pheniramine acts as an H1 Antagonist to reduce histamine-mediated vascular permeability and fluid leakage into the nasal passages, contributing to the regulation of localized vascular fluid dynamics.


Functional Complementarity and Systemic Support

The combination provides functional enhancement: the CNS-penetrant Pheniramine also induces a sedative effect through H1 antagonism in the brain, which functionally complements the central CNS activity. Additionally, Sodium Ascorbate provides cofactor and antioxidant support, influencing oxidative stress pathways.

Dosage and Administration Information

The administration of Амицитрон is limited to the oral route, utilizing its dosage form as a powder for reconstitution. The contents of one single packet are to be fully dissolved in a mug of hot water (approximately 250 mL), a method intended to facilitate proper ingestion and consumption of the full dose.

The dosing regimen is based on an as-needed schedule for symptomatic relief, permitting one packet to be taken every 4 to 6 hours. A strict 24-hour maximum limit is established to prevent excessive systemic exposure to the active components. Depending on the specific regional formulation, this limit typically equates to a maximum of 4 to 5 packets within a full day. Furthermore, the use of the medicine is limited to short-term courses, generally not exceeding 5 to 7 consecutive days.

Population-specific constraints exist regarding age; the product is indicated for individuals 12 years of age and older. The administration protocol includes a mandatory constraint: the medicine must not be taken simultaneously with any other product containing Acetaminophen (Paracetamol) to respect the daily dosage ceiling. These procedural elements define the structure for its use.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Амицитрон


Evidence for Symptomatic Relief of Acute Cold and Flu-like Discomfort

The research exploring this multi-component combination agent (containing an analgesic, a decongestant, and an antihistamine) is primarily drawn from short-term, randomized controlled trials. These studies have evaluated outcomes related to symptoms associated with the common cold and influenza. The trials are conducted in a double-blind format, which is applied in studies examining patient-reported experiences to reduce potential bias.

Studies were applied in research exploring how symptoms change over time during the acute phase of illness. Researchers measured outcomes related to physical discomfort and systemic imbalance, such as fever, headache, body aches, and nasal symptoms. Trials also commonly used a Total Symptom Score (TSS), which is a method relevant in evidence describing how symptoms are measured. This evidence contributes to the broader evidence landscape for this pharmacological class, reflecting group patterns but not personal outcomes.


Scope of Clinical Outcomes Studied

The primary focus of the available research examined outcomes describing episodic or acute changes and monitored symptom intensity or variability. Beyond subjective assessments, pharmacokinetic (PK) trials were also evaluated in healthy volunteers. These PK studies do not explore symptom relief; instead, research examined how the individual active ingredients in the combination were absorbed, distributed, and processed by the body over defined time intervals.


Duration of Research and Follow-up

The majority of the efficacy research for this type of combination product has explored short-term symptom changes. The follow-up durations were limited, typically spanning only 48 to 72 hours (two to three days). This research is relevant in trials assessing short-term or episodic symptom patterns common to the acute phase of these illnesses. Consequently, there is limited information for long-term outcomes or data describing the medicine beyond the temporary, acute period.


Remaining Research Gaps and Uncertainties

The evidence base, while helpful for contextualizing short-term symptom patterns, has several limitations. The results apply only to the populations studied, as research focused primarily on healthy adults. Data for certain groups remain insufficient, including evidence for older adults or individuals whose symptoms may vary in intensity due to other health issues. Comparative evidence is lacking for many specific formulations, and while evidence contributes to understanding symptom patterns, research is ongoing across the wider class of cold and flu combination agents.

Key Studies & References

  1. DailyMed Drug Label for Combination Cold Relief Products (Representative Formulation)
  2. Phenylephrine – NCBI Bookshelf (Review of Decongestant Use)
  3. Pheniramine (MedlinePlus Drug Information)

Frequently Asked Questions (FAQ)

Common questions about Амицитрон (FAQ)


Q: Does Амицитрон cause weight gain for everyone?

Official regulatory documents and safety data for this type of acute cold and flu combination product do not typically list general weight changes (gain or loss) as a common or expected side effect. The focus of the documented side effect profile is usually on reactions such as drowsiness, nausea, and dry mouth.


Q: Is it normal to feel tired after starting Амицитрон?

Feeling tired or experiencing drowsiness is listed in official product information as a common and expected side effect. This is specifically linked to the first-generation antihistamine component in the medicine, which is known to cause a sedative effect, often most noticeable when first beginning treatment.


Q: How long does it typically take for a person to notice an expected change from Амицитрон?

While the exact onset time for the full combination medicine is not always specified, the main pain and fever reliever component (Acetaminophen) typically starts to show its effects within 30 minutes to one hour after being taken. This information provides a general timeframe for when some relief may be experienced.


Q: Can Амицитрон be taken with an ordinary over-the-counter pain reliever?

Official guidelines strictly prohibit combining this medicine with any other product that contains Acetaminophen (Paracetamol) due to the serious risk of liver damage from exceeding the maximum daily limit. It is important to check the active ingredients of any co-administered pain reliever, as combining it with other non-Acetaminophen-containing products should still be discussed with a healthcare professional.


Q: Does Амицитрон have any known interactions with commonly used supplements like vitamins or herbal remedies?

Regulatory documentation cautions that certain herbal remedies or supplements that act as stimulants or affect liver metabolism may interact with the medicine. For instance, high intake of caffeine-containing supplements may intensify the side effects of the decongestant component. The product itself contains Sodium Ascorbate (Vitamin C) as an active ingredient, and specific interactions with other standard vitamins are not commonly highlighted in official summaries.


Q: What is the connection between Амицитрон and liver function?

The medicine contains Acetaminophen, an ingredient that is primarily processed by the liver. Official warnings state that taking more than the allowed maximum daily dose, or using the drug with chronic, heavy consumption of alcohol, can stress the liver. This stress can cause the build-up of a toxic substance and lead to severe liver damage (Acute Hepatic Failure).


Q: Why is regular laboratory testing sometimes mentioned in relation to Амицитрон?

Due to the officially documented risk of severe liver injury from the Acetaminophen component and restrictions on its use in those with pre-existing liver problems, healthcare providers may recommend laboratory testing. This testing, such as liver function tests, is used to monitor high-risk patients or those who need to use the product for an extended period.


Q: What does 'Black Box Warning' mean in the context of Амицитрон, if applicable?

A Black Box Warning is the strongest safety warning mandated by the FDA for prescription drugs to highlight serious or life-threatening risks. While this specific over-the-counter product may not carry a formal box warning, its Acetaminophen component is the subject of explicit official warnings regarding the serious risk of acute liver failure. This warning reflects the regulatory intent to communicate the highest level of safety concern.


Q: Are the effects of Амицитрон permanent or do they stop after discontinuing use?

The medicine is classified as a symptomatic relief agent intended for acute, short-term use during the temporary phase of cold and flu symptoms. Its effects on fever, pain, and congestion are temporary and are expected to cease shortly after the medicine is discontinued, aligning with its short-term purpose.


Q: Can Амицитрон be used during breastfeeding?

Official prescribing information states that use of this medicine is generally not recommended during lactation (breastfeeding). This restriction is based on the fact that components of the drug can pass into breast milk, which is a consideration for the infant.


Q: What happens if a person misses a scheduled administration of Амицитрон?

Official patient information describes administration on an 'as-needed' basis for symptoms, requiring a minimum time interval between administrations (such as 4 to 6 hours). If a dose is missed, regulatory information describes resuming the next dose only when symptoms return, while strictly respecting the minimum time interval and the 24-hour maximum limit.


Q: Is it safe to drive or operate machinery while using Амицитрон?

Regulatory warnings state that because this product contains a first-generation antihistamine, it may cause drowsiness, dizziness, or blurred vision. Official regulatory warnings describe that people should refrain from performing such tasks until they are fully aware of how the medicine affects them.


Q: How is the safety of Амицитрон monitored after it is approved?

Post-approval safety is monitored through formal pharmacovigilance programs, also known as post-marketing surveillance. This process involves mandatory reporting by drug manufacturers of serious adverse events and voluntary reporting by healthcare professionals and patients to official government bodies.


Q: Do studies suggest that Амицитрон might affect sleep patterns?

The first-generation antihistamine component is known to have a sedative effect, which is often used to help manage cold symptoms that disrupt sleep. Research on this class of drug indicates that it can cause drowsiness and may also affect the structure of sleep, such as reducing the duration of certain sleep stages.


Q: Does the time of day matter when a person uses Амицитрон?

While administration is on an 'as-needed' schedule, the product contains a sedative antihistamine and is frequently used or marketed for nighttime relief. This is because the expected side effect of drowsiness can help manage symptoms that interfere with rest.


Q: Why is the full list of ingredients important for people using Амицитрон?

The full list is important because official documents contraindicate the medicine for anyone with a known hypersensitivity or allergy to any component, whether active or inactive. Furthermore, knowing the active ingredients is crucial to safely avoid dangerous drug-drug interactions, particularly with Acetaminophen.


Q: Is it possible to become dependent on Амицитрон?

Official classification documents do not list this medicine as a controlled substance, and the active ingredients do not belong to classes commonly associated with physical dependence. However, regulatory information often cautions against continuous long-term use, particularly of the decongestant component, which can lead to 'rebound' congestion if used excessively.


Q: How does Амицитрон relate to other drugs in the same classification group?

Амицитрон is classified as one of many Upper Respiratory Combination Agents. This group typically consists of multi-component products that combine an analgesic/antipyretic, a decongestant, and an antihistamine to provide simultaneous relief for the multiple symptoms associated with the common cold or flu.


Q: Is there a specific mechanism of action defined for Амицитрон in official texts?

Yes, official regulatory texts define the mechanism of action by detailing the complementary effects of each ingredient. These include pain and fever relief from Acetaminophen, nasal decongestion from Phenylephrine, allergy relief and sedation from Pheniramine, and general support from Sodium Ascorbate.


Q: What happens if a person uses too much Амицитрон?

Official warnings state that exceeding the maximum daily dose is dangerous and can lead to an overdose, with the primary risk coming from the Acetaminophen component. Symptoms of an overdose may include nausea, vomiting, and abdominal pain, and can result in severe liver damage and potentially death.


Q: Are there any special considerations for adolescents using Амицитрон?

The medicine is only indicated for individuals aged 12 years and older. While the dosage for adolescents (12-18) is the same as for adults, official documents may advise caution, noting that adolescents may have increased sensitivity to certain side effects, such as the Central Nervous System depressant effects of the antihistamine.


Q: Is it necessary to use Амицитрон for a specified duration?

Official instructions specify that the medicine is only intended for a short-term course, generally not exceeding five to seven consecutive days, to manage acute symptoms. It is meant to be used only for the duration that acute symptoms are present.


Q: Why do some people stop using Амицитрон?

Official documents list common side effects, such as drowsiness, dry mouth, and dizziness, that may lead a person to stop taking the medicine. Furthermore, safety warnings recommend immediate cessation if signs of a serious adverse reaction, such as a severe rash or liver problems, occur.


Q: Does Амицитрон affect blood pressure?

Yes. The medicine is contraindicated in people with severe hypertension and contains Phenylephrine, a decongestant known as a sympathomimetic amine. This component acts on blood vessels to cause constriction, which is documented to have the potential to raise blood pressure.


Q: Is there any public information about patient experiences or feedback with Амицитрон?

Official sources, such as the FDA and EMA, collect and publish safety data, including adverse event reports submitted by patients and healthcare professionals through formal reporting systems. These reports contain descriptions of experiences and are used by regulators for safety monitoring purposes.


Q: Is Амицитрон considered a newer or older medication?

The active ingredients in this combination product, such as Acetaminophen, Phenylephrine, and Pheniramine, are well-established agents that belong to older, long-standing pharmacological classes. While the specific multi-component formulation may be newer, it is composed entirely of long-approved, non-novel drugs.


Q: What are the known drug-drug interactions that are often highlighted for Амицитрон?

The interactions most prominently highlighted in official warnings are the absolute prohibition of concurrent use with Monoamine Oxidase Inhibitors (MAOIs) due to the risk of severe blood pressure increases. Also strongly emphasized is the strict warning against taking it with any other product containing Acetaminophen/Paracetamol.


Q: Does smoking affect how Амицитрон works in the body?

Regulatory documents warn that hepatic enzyme inducers (substances that speed up the liver's metabolism), such as certain components in tobacco smoke, can increase the risk of liver toxicity from the Acetaminophen component. This information is relevant to a healthcare provider's assessment of risk.

How should Амицитрон be stored and disposed of?

Storage and Disposal Requirements

Official regulatory guidelines mandate specific conditions to ensure the stability and safety of this combination powder medicine. The product must be stored at controlled room temperature, maintaining a range between 20 C and 25 C (68 F and 77 F). Protection from both excessive heat and moisture is required, meaning storage should avoid high-humidity areas, such as a bathroom.

Constraint Requirement
Temperature Range 20 C to 25 C
Environmental Protection Protect from heat and moisture
Child Safety Keep out of the sight and reach of children

Storage must always occur in the original container. For disposal, regulatory instructions state that expired or unused medicine should not be flushed down a toilet or poured into a drain. Disposal should utilize a designated drug take-back program or follow the official guidance of mixing the product with an unappealing material, sealing it, and placing it in household trash.

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

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