Номидес

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Номидес

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Treatment option: Influenza, Flu Prevention

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 Номидес

Property Description
Active ingredient Oseltamyvir (INN)
Form Capsule, Powder for oral suspension
Pharmacological class Antiviral medication, Neuraminidase inhibitor
Common use Treatment and prevention of influenza (Flu A and Flu B)
Origin Synthetic compound

What Type of Medicine is Номидес?

Номидес is a prescription-only drug (Rx) defined by its active ingredient Oseltamyvir (INN), making it a therapeutic agent for managing and limiting infections caused by the influenza A virus and influenza B virus. Oseltamyvir is classified as a Neuraminidase inhibitor, placing it within the broader category of Antiviral medications. This specialized classification is recognized for its targeted action against the viral replication cycle, distinguishing it from non-specific symptomatic relief agents.

The core therapeutic use is in providing direct intervention against the influenza infection. Oseltamyvir serves as an agent for both the treatment and prevention of influenza illness. This means the medication can help reduce the severity and duration of the flu once symptoms begin, serving its primary purpose as an antiviral.

Composition, Origin, and Available Forms

The foundational chemical substance of Номидес is the synthetic compound Oseltamyvir, which is administered as the inactive prodrug Oseltamivir phosphate. This design ensures systemic delivery, as the body converts the prodrug into the active metabolite, Oseltamivir carboxylate, to exert its antiviral effect.

Номидес is manufactured for oral dosage form administration and is specifically characterized by its two main physical presentations: a solid Capsule and a Powder for oral suspension. The provision of the liquid suspension form ensures flexibility in administration across the Target audience, including Children (Pediatric patients), to make the medication accessible to these patient groups.

Regulatory References

  1. MedlinePlus, Antivirals

What side effects are possible with Номидес?

Possible Side Effects and Safety Information

The safety profile for Номидес (Oseltamyvir) is based on official government regulatory documents, which classify possible adverse reactions according to how frequently they occurred in clinical studies. Reactions are organized by System-Organ Class to map effects to physiological systems, and are categorized by frequency (Very Common, Common, Uncommon, Rare).

Very Common and Common adverse reactions often include effects in the Gastrointestinal Disorders class, such as nausea, vomiting, and diarrhoea, along with Headache and Insomnia from the Nervous System Disorders class. Officially, nausea and vomiting are reported to occur more frequently during the first two days of treatment.

Serious adverse reactions, while Rare, are explicitly documented in regulatory labeling. These include severe immune and dermatological events such as anaphylactic reactions, angioedema, Stevens-Johnson syndrome (SJS), and Toxic epidermal necrolysis (TEN). Reports of psychotic disorders and convulsions are also noted in the official safety profile.

Safety notes for specific groups are included in official documentation. For pediatric patients, certain common effects like vomiting and ear disorders are noted to occur frequently. For patients with severe renal impairment (kidney function impairment), the official label specifies a need for dosage modification to manage the risk associated with altered drug exposure.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory documents define the overdose profile of Номидес (Oseltamyvir) by detailing potential manifestations and the mandatory emergency response.

Feature Official Regulatory Statement
Documented Manifestations Clinical signs of overexposure commonly include gastrointestinal effects such as nausea, vomiting, and abdominal pain.
Severe Outcomes Authorities document the risk of severe Neuropsychiatric events (e.g., confusion, seizures, abnormal behavior) and serious skin/hypersensitivity reactions.
Urgent Help Required Seek medical help right away, or call emergency services if the exposed individual has collapsed, had a seizure, has trouble breathing, or cannot be awakened.
Antidote/Management No specific antidote is known; management is limited to symptomatic and supportive treatment.
Population Notes Pediatric patients may be at an increased risk of abnormal behavior. Exposure risk is higher in patients with renal impairment.

Regulatory guidance requires immediate discontinuation of Oseltamyvir and appropriate treatment if severe reactions are suspected. The lack of a specific antidote necessitates a focus on supportive care and close monitoring for signs of abnormal behavior. This is essential, as the most severe risks, including central nervous system complications, require prompt intervention.

Therapeutic Uses of Номидес

Main Uses and Therapeutic Benefits of Номидес

Номидес (Oseltamyvir) is commonly used for the treatment of illness caused by the Influenza A virus and Influenza B virus, which are the pathogens behind seasonal and epidemic flu. It is applied across therapeutic domains where additional symptomatic support is needed.

Treatment of Acute Influenza Illness

Номидес is applied in clinical settings that involve acute or disruptive episodes of influenza where supportive symptom management is appropriate. It helps address symptom clusters that may become intense or disruptive, such as fever, chills, headache, and profound myalgia (muscle aches). It provides support that helps ease the overall symptom burden during the most challenging phase of the infection. This may assist with managing symptoms that interfere with daily functioning and is relevant for easing symptoms related to heightened physiological activity.

Prophylaxis and Symptom Management

Beyond treatment, the medication is commonly used for viral prophylaxis (prevention) in individuals who have been exposed, including pediatric patients, older adults, and those at high risk of complications. This is applied when appropriate for conditions associated with acute or disruptive episodes. The prophylactic application may be part of symptomatic management in situations where patients experience increased physiological stress, helping them cope more steadily with symptom fluctuations.


Quick Fact: Relief for Systemic Discomfort Номидес is relevant for easing symptoms related to systemic imbalance, including severe muscle aches and high fever, often used when symptoms become temporarily overwhelming and short-term symptomatic assistance is needed.

Regulatory References

  1. Oseltamivir: MedlinePlus Drug Information

Eligibility and Restrictions for Use

The eligibility for using Номидес (Oseltamyvir) is strictly defined by official government regulatory bodies, based on age, physiological status, and underlying conditions.

Contraindicated Populations

The medicine is contraindicated for patients with a known serious hypersensitivity to oseltamivir or any component of the product (FDA, EMA).


Eligibility by Age and Condition

Population Group Eligibility Status (Regulatory Labeling)
Influenza Treatment Approved for patients 2 weeks of age and older (FDA).
Influenza Prophylaxis Approved for patients 1 year of age and older (FDA).
Renal Impairment Conditional use; dose adjustment is required for adult and adolescent patients with moderate to severe renal impairment (EMA, FDA).
ESRD (Not on Dialysis) Not recommended for patients with end-stage renal disease who are not undergoing dialysis (FDA).
Pregnancy/Lactation Conditional use; advised only if the potential benefit to the mother justifies the potential risk to the fetus or nursing infant (EMA).
Immunocompromised Patients Efficacy for both treatment and prophylaxis has not been firmly established (EMA).

For prophylaxis, safety and efficacy have not been established in infants less than one year of age. No dosage adjustment is required for older adults unless they have moderate or severe renal impairment.

What should I know about interactions with other medicines?

The active substance in Номидес (Oseltamivir) is primarily converted to its active form and eliminated by the kidneys. Drug interactions that are considered clinically significant for this medication are uncommon due to its clearance pathway, which generally does not involve the cytochrome P450 enzyme system.

Potential Drug Interactions

Clinical trials have indicated that the risk of interaction is low when Oseltamivir is co-administered with commonly used therapeutic agents. However, one specific class of medicine requires attention:

  • Probenecid: Co-administration of Probenecid, a medicine used to treat gout, can increase the concentration of the active form of Oseltamivir in the body by approximately two-fold. This occurs because Probenecid inhibits the renal tubular secretion of the antiviral drug. While generally considered safe due to the large safety margin of Oseltamivir, patients receiving this combination should be monitored closely for any increased side effects.

No Clinically Significant Interactions

Studies have shown that no dose adjustments or special precautions are typically necessary when Oseltamivir is taken concurrently with the following commonly used medicines:

Type of Medicine Examples
Pain/Fever Relievers Paracetamol (Acetaminophen), Aspirin
Antibiotics Amoxicillin
H2-Antagonists Cimetidine
Antacids Magnesium and Aluminum Hydroxides, Calcium Carbonate

Vaccine Interaction

It is important to note that Oseltamivir may reduce the effectiveness of the live attenuated influenza vaccine (LAIV), which is administered as a nasal spray. Consult a healthcare provider regarding the appropriate timing for receiving the LAIV around the period of Oseltamivir treatment.

Mechanism of Action

Номидес is a product containing the prodrug oseltamivir phosphate, which is administered orally and rapidly absorbed from the gastrointestinal tract. Following systemic absorption, the prodrug is converted into the active metabolite, oseltamivir carboxylate (OC), primarily via hepatic esterases.

OC is a competitive inhibitor that targets the active site of influenza virus neuraminidase (NA), a glycoprotein enzyme situated on the viral surface. Neuraminidase activity is essential for the cleavage of sialic acid residues on the host cell membrane, a process required for the release of newly formed viral progeny from the infected cell surface. By binding to and inhibiting NA, OC prevents the release and subsequent dissemination of progeny virions from the infected cell into the extracellular space. The resulting inhibition of this viral budding process modulates the total systemic viral load and limits the spread of the virus to new host cells.

Dosage and Administration Information

Administration and Preparation

Nomides is available in various forms intended for oral administration. The medication can be taken regardless of food intake, though taking it with a meal may improve tolerance for some individuals.

Preparation of Suspension from Capsules

In situations where a patient is unable to swallow capsules, the contents of the capsule may be used to prepare a liquid mixture. This process involves the following steps:

  • Opening the Capsule: Carefully separate the capsule shells over a small container.
  • Mixing: Combine the entire powder contents with a small volume (approximately one teaspoon) of a sweetened food product to mask the bitter taste. Suitable vehicles include sweetened condensed milk, chocolate syrup, or various types of sugar dissolved in water.
  • Consumption: The mixture should be stirred thoroughly and consumed in its entirety immediately after preparation.

General Considerations

For patients using the powder for oral suspension, the liquid is reconstituted with water prior to the first application. Once prepared, the bottle should be shaken vigorously before each subsequent use to ensure the active substance is evenly distributed.

Consistent timing of the doses is recommended to maintain steady levels of the medication in the body throughout the duration of the application. If a dose is missed, it should be taken as soon as it is remembered, unless it is close to the time for the next scheduled dose.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Номидес (Oseltamyvir)


Evidence for Treatment of Acute, Uncomplicated Seasonal Influenza

Research exploring the use of oseltamyvir for treating flu symptoms primarily involves Randomized Controlled Trials (RCTs) and large Systematic Reviews. These trials examined outcomes related to systemic or functional imbalance in healthy people who started the medicine within 48 hours of symptoms beginning.

Studies reported measurements of how long it took for major flu symptoms to resolve. Findings describe patterns observed in the studies where the time to first symptom alleviation was associated with a shorter time to alleviation of symptoms in participants who received the medicine compared to those who received a placebo. This difference was observed in some studies to be approximately 17 to 29 hours across adults and children.

Regarding more serious outcomes, the evidence is mixed. Some analyses reported patterns of fewer complications, such as unverified pneumonia. However, other major systematic reviews, after examining regulatory reports, described no significant difference in hospital admissions between the medicine and placebo groups in this healthy outpatient population. The initial trials were not designed to measure the effect on serious, rare events like confirmed pneumonia or death.


Evidence for Preventing Influenza (Prophylaxis)

Research on the use of oseltamyvir for preventing flu in people who have been exposed was primarily conducted through Randomized Controlled Trials. The main outcome measured was the incidence of symptomatic, laboratory-confirmed influenza in the observed populations.

Findings describe a pattern where a lower rate of developing symptomatic flu was observed in participants who received the medicine for prevention compared to those who received a placebo. However, the evidence is less clear regarding the medicine's impact on asymptomatic influenza infection. Research also does not clearly establish a reduction in the overall transmission rate of the influenza virus at the community level.


Research Gaps and Areas of Scientific Uncertainty

Scientific reviews highlight areas where the research landscape remains incomplete. Initial RCTs for healthy outpatients were not powered to measure the effect on rare events like confirmed pneumonia or respiratory failure, so definitive evidence in this setting is limited. Furthermore, the evidence quality varies across studies, with some reviews citing concerns about the completeness of data reporting from some original trials.

Key Studies & References

  1. Guidance on use of antiviral agents for the treatment and prophylaxis of seasonal influenza (UKHSA/GOV.UK Guideline)
  2. Evaluation of the Clinical Effectiveness of Oseltamivir for Influenza Treatment in Children (Observational study with mixed findings)

Frequently Asked Questions (FAQ)

Common questions about Номидес (FAQ)

Q: What is the main difference between Номидес and other common cold and flu treatments?

Official documents classify Номидес as a neuraminidase inhibitor, a specific type of antiviral medicine used for influenza A and B. This mechanism targets the influenza virus itself, distinguishing it from many common treatments that only address cold and flu symptoms.

Q: How long does it usually take to feel the effects of Номидес?

Clinical trials examining treatment reported patterns where the time to first symptom alleviation was associated with being shorter in those who received the medicine compared to a placebo. This difference in time to symptom alleviation was approximately 17 to 29 hours.

Q: Why is Номидес available without a prescription in some places but not others?

Official documents classify Номидес as a prescription-only drug. The decision regarding the regulatory classification and general availability of medicines is determined independently by the health authorities in each country or region.

Q: Is there any research evidence showing how Номидес affects common cold symptoms?

The research evidence cited in regulatory documents pertains specifically to the treatment and prevention of illness caused by influenza A and B viruses. Official labeling does not contain evidence regarding the use of the medicine for the common cold (non-influenza infections).

Q: What are the ingredients in Номидес besides the main active component?

The medicine contains the active ingredient, oseltamivir phosphate, along with several inactive components known as excipients. The list of all ingredients, including substances like pregelatinized starch, talc, and coloring agents, is detailed in the official labeling.

Q: Is it normal to feel slightly tired after taking Номидес?

Regulatory safety data reports fatigue as a common side effect, meaning it was reported in 1% to 10% of clinical trial participants. Additionally, drowsiness has been noted in official postmarketing and adverse event summaries.

Q: Are there any specific foods or drinks that should be avoided while using Номидес?

According to the official product information, the medicine may be taken with or without food. Official drug interaction information does not list any specific foods or drinks that must be avoided while using the medicine.

Q: Is Номидес suitable for older adults (seniors)?

Official labeling states that no dosage adjustment is generally required for older adults. However, dose adjustments are required if the older adult patient has a diagnosis of moderate or severe renal (kidney) impairment.

Q: What happens if Номидес is taken with alcohol?

Official drug interaction studies do not list a specific interaction with alcohol. However, one official Summary of Product Characteristics (SmPC) notes the presence of a small amount of ethanol (alcohol) originating from the ink used on the capsule shell.

Q: Are there any known long-term side effects associated with using Номидес?

Safety data in regulatory documents is primarily based on clinical trials for acute treatment (up to 5 days) and prophylaxis (up to 12 weeks). The official label does not contain a specific profile for use exceeding these established durations.

Q: If I have kidney or liver issues, can I still use Номидес?

For patients with renal impairment, official documents specify that dose reduction is necessary. However, safety and efficacy have not been firmly established in patients with severe hepatic (liver) impairment.

Q: Does Номидес help with both fever and body aches?

Research examining treatment reports findings related to the alleviation of major flu symptoms. These symptoms included measurements of effects on fever (pyrexia), body aches (pain in limb), and headaches in the study participants.

Q: Can people with high blood pressure safely use Номидес?

High blood pressure (hypertension) is not cited in regulatory documents as a contraindication for use. It is also not listed as a condition requiring dose adjustment or a specific precaution for use.

Q: How does the effectiveness of Номидес compare to rest alone, according to studies?

Clinical studies primarily compared the medicine to a placebo group, which receives an inactive substance. Findings described a pattern where the time to symptom alleviation was associated with being shorter in the group that received the medicine.

Q: What are the official cautions listed regarding the use of Номидес?

Official cautions include the need for dosage adjustment for renal impairment and conditional use during pregnancy and lactation. Warnings also address the potential for rare severe skin reactions and neuropsychiatric events.

Q: If I am taking medication for a chronic condition, is Номидес generally compatible?

The medicine is eliminated primarily through the kidneys and generally does not involve the liver's cytochrome P450 enzyme system. This characteristic is often associated with a low risk for clinically significant interactions with many chronic medications.

Q: Why might some people experience nausea when taking Номидес?

Official labeling notes that nausea is a very common side effect, especially during the first two days of treatment. It is also suggested that taking the medicine with food may improve gastrointestinal tolerability.

Q: How long does Номидес stay in the body after the last dose?

The active metabolite of the medicine is primarily eliminated through the kidneys. Regulatory documents state that plasma concentrations of this active form decline with a half-life of approximately 6 to 10 hours in most subjects.

Q: Is it normal for my urine color to change while using Номидес?

Dark urine has been reported in post-marketing adverse event summaries, though the frequency is officially noted as 'not known.' This effect is not listed as a common or expected reaction based on initial clinical trial data.

Q: Can Номидес be taken with other cold medicines that contain similar ingredients?

Regulatory documents indicate no dose adjustments are typically needed when taken concurrently with Paracetamol or Aspirin. Official labeling does not explicitly comment on combination cold products; therefore, the label emphasizes the importance of understanding all ingredients to avoid duplication of active components.

Q: Are there any warning signs in the packaging about driving or operating machinery after taking Номидес?

Official labeling advises that the medicine has no or negligible influence on the ability to drive and use machines. However, official labeling contains warnings about potential caution as side effects like dizziness and other neuropsychiatric events have been reported.

Q: What is the difference in purpose between Номидес and pain relievers like ibuprofen?

Номидес is classified as an antiviral medicine that targets the influenza virus replication cycle by inhibiting a specific viral enzyme. Pain relievers, like ibuprofen, function primarily to address symptoms such as fever and pain.

Q: Is it possible to have an allergic reaction to one of the inactive ingredients in Номидес?

The medicine is contraindicated (is not recommended for use) for individuals with known serious hypersensitivity to the active ingredient or to any component of the product. The official labeling provides a list of all inactive ingredients (excipients).

Q: How quickly does Номидес begin to be absorbed after swallowing?

Regulatory documents state that the inactive form of the medicine (the prodrug) is readily absorbed from the gastrointestinal tract following oral administration. It is then rapidly converted into the active metabolite by the body.

Q: Can Номидес be used for non-viral upper respiratory infections?

The therapeutic use of this medicine is limited to the treatment and prevention of illness caused by the influenza A and B viruses. Official labeling does not define a role for the use of the medicine in non-viral upper respiratory infections.

How should Номидес be stored and disposed of?

Storage and Stability Requirements

Nomides (Oseltamivir) storage requirements depend on the formulation:

  • Capsules must be stored at controlled room temperature, specifically between 20°C and 25°C (68°F and 77°F).
  • The reconstituted oral suspension has time-limited stability. It may be stored for up to 5 weeks (35 days) in a refrigerator (2°C to 8°C) or for a maximum of 5 days at room temperature (up to 25°C).
  • The liquid suspension must not be frozen and should be packaged in a tight, light-resistant container.

All forms of this medicine must be kept out of the sight and reach of children.

Disposal Instructions

Any unused, expired, or leftover medicine must be safely discarded. The remaining oral suspension must be discarded immediately after completing the full prescribed treatment course. Patients should consult a healthcare professional for guidance on proper disposal.

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

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