Tussastopp

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Tussastopp

Treatment option: Cough

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 Tussastopp

Property Description
Active ingredient Dextromethorphan Hydrobromide
Form Syrup, Oral Solution, Tablets
Pharmacological class Centrally Acting Antitussive Agent
Common use Symptomatic relief of cough
Origin Synthetic compound

What Type of Medicine is Tussastopp?

Tussastopp is formally classified as an antitussive agent, a type of medicine specifically used to suppress or relieve coughs. Its classification stems from its mechanism as a centrally acting antitussive agent, meaning it works by addressing the cough reflex itself, making it distinct from medicines that target mucus or inflammation in the airways.

The medicine’s identity is defined by its single active substance, Dextromethorphan Hydrobromide, which is a synthetic compound derived from the Morphinan chemical structure. This compound is a non-opioid Morphinan derivative, distinguishing its pharmacological profile from older opioid-based alternatives. Tussastopp is typically marketed as a ready-to-use preparation, commonly available in several dosage forms, including syrup and oral solution, facilitating easy oral route of administration.

The Pharmacological Identity of Dextromethorphan

The essential purpose of Tussastopp is to depress the cough impulse by intervening directly in the central nervous system. Dextromethorphan Hydrobromide functions by acting on the medullary cough center in the brainstem, which is the site responsible for regulating the cough reflex.

This action effectively helps to elevate the cough threshold, thereby diminishing the overall impulse to cough and reducing its frequency and severity. For example, it is clinically recognized for providing relief from persistent, dry, or irritating coughs. The composition of Tussastopp maintains the substance's focused efficacy as a single-ingredient product targeting the cough reflex, involving the active drug dissolved or suspended in an appropriate base or vehicle.

Regulatory References

  1. MedlinePlus Drug Information
  2. NIH StatPearls

What side effects are possible with Tussastopp?

Possible Side Effects and Safety Information

The safety profile of Dextromethorphan Hydrobromide (Tussastopp) is officially documented by government regulatory agencies, which classify adverse reactions based on their frequency and the physiological system affected.

Frequency-Classified Adverse Reactions

The adverse reactions listed in official documents are categorized to reflect their typical occurrence rate. Common reactions often include effects on the central nervous system and gastrointestinal tract, such as dizziness, somnolence (drowsiness), fatigue, nausea, and vomiting. Less frequently reported effects are generally categorized as Uncommon or Rare and may include confusion, headache, or allergic skin reactions.

Serious Adverse Reactions and Safety Constraints

Official safety labeling notes the potential for severe, clinically significant reactions. The most critical documented risk is Serotonin Syndrome, a potentially life-threatening event associated with the co-administration of Dextromethorphan and other serotonergic medicines, such as Monoamine Oxidase Inhibitors (MAOIs). Use is absolutely constrained concurrently with, or within 14 days of discontinuing, MAOI therapy.

Population-Specific Safety Considerations

The official regulatory profile identifies specific safety considerations for certain patient populations. Individuals with hepatic impairment (reduced liver function) and those classified as CYP2D6 poor metabolizers may experience increased systemic exposure to the drug, raising the potential for adverse effects. Older adults are also noted to have increased susceptibility to central nervous system effects, such as dizziness and somnolence.

This regulatory structure provides a formal framework for understanding the medicine’s risk profile, distinguishing common occurrences from serious, less frequent events, and defining explicit safety limitations.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory documentation for Tussastopp (Dextromethorphan Hydrobromide) details specific manifestations and mandated actions in the event of overexposure.

Overdose presentations are primarily defined by effects on the Central Nervous System (CNS). Documented signs include somnolence, confusion, ataxia (unsteady walking), dizziness, and visual disturbances such as nystagmus (involuntary eye movement). Gastrointestinal effects like nausea and vomiting are also reported.

Severe Outcomes and Emergency Action

Immediate medical attention is required for any confirmed or suspected overdose. Regulators state that severe outcomes may progress to life-threatening conditions, including profound CNS depression leading to coma, seizures, and respiratory arrest. Cardiovascular effects such as tachycardia (rapid heart rate) are noted.

Of particular concern is the risk of Serotonin Syndrome, a serious outcome documented to occur with overexposure, especially in patients concurrently using other specific serotonergic medicines. Regulatory sources also note that pediatric patients are susceptible to severe respiratory symptoms, including apnea.

Management procedures described in official documents are primarily symptomatic and supportive. The regulatory label states that Naloxone may be used to reverse acute CNS and respiratory depression. Continuous monitoring of vital signs and potential administration of activated charcoal are also documented procedures.

Therapeutic Uses of Tussastopp

What Tussastopp Treats: Main Uses and Benefits

The therapeutic role of Tussastopp (Dextromethorphan Hydrobromide) is centered on the temporary relief of cough symptoms associated with minor respiratory illnesses. This medication is commonly used to help with symptoms that accompany conditions like the common cold or flu, generally offering supportive relief relevant in contexts marked by increased discomfort.

Symptomatic Support for Acute Episodes

The medication is applied in addressing coughs that are dry, hacking, or otherwise non-productive, which are symptoms related to irritative states. It is relevant in clinical settings marked by heightened systemic burden, such as minor upper respiratory tract infections. The primary benefit involves supportive relief that helps ease the overall symptom burden, which supports patients during difficult episodes.

This use supports patients during episodes of heightened discomfort and provides short-term symptomatic assistance during periods when symptoms may intensify temporarily. This therapeutic domain focuses on managing symptoms that interfere with daily functioning, assisting with maintaining a sense of stability when symptoms are more noticeable.


Quick Fact: Relevant for Symptoms of Persistent Irritation

Regulatory References

  1. NIH MedlinePlus Drug Information

Eligibility and Restrictions for Use

Who Can and Cannot Use Tussastopp?

The population eligibility for Tussastopp (Dextromethorphan Hydrobromide) is strictly governed by regulatory classifications, defining groups who may use the medicine and those who are absolutely prohibited from doing so.


Contraindicated Populations and Restrictions

Use of Tussastopp is contraindicated in several specific populations, meaning the medicine must not be used:

  • Patients using Monoamine Oxidase Inhibitors (MAOIs): Prohibited during or within 14 days of discontinuing an MAOI, due to the risk of severe reactions.
  • Known Hypersensitivity: Individuals with a documented allergy or hypersensitivity to dextromethorphan or any component in the formulation.
  • Risk of Respiratory Failure: Patients who are in, or at risk of developing, respiratory failure (e.g., severe COPD or acute asthma exacerbation).
  • Age Limits: Use is contraindicated in children under 12 years of age, as per many regulatory labels. Over-the-counter use is generally not recommended for children younger than 4 years.

Conditional Use and Specific Caution

Regulators require caution or medical advice for use in specific populations:

  • Organ Impairment: Caution is necessary for patients with hepatic (liver) impairment, and medical advice should be sought for those with severe renal impairment.
  • Chronic Coughs: Not recommended for a persistent or chronic cough (e.g., due to smoking or asthma) or coughs with excessive secretions, unless under professional supervision.
  • Pregnancy and Lactation: Use is not established as safe during pregnancy and is generally advised only when considered essential by a physician.

What should I know about interactions with other medicines?

Tussastopp, containing the active ingredient dextromethorphan, has several established drug-drug interactions, primarily due to its effects on serotonin levels and the Cytochrome P450 2D6 (CYP2D6) enzyme system.

Contraindicated Combinations (Major Interaction Risk)

The most critical interaction involves Monoamine Oxidase Inhibitors (MAOIs). Tussastopp must not be used in patients currently taking an MAOI (such as isocarboxazid, phenelzine, or selegiline) or within 14 days of discontinuing one. This combination significantly increases the risk of Serotonin Syndrome, a potentially life-threatening condition characterized by mental status changes, hyperthermia, and neuromuscular hyperactivity.

Drug Class/Substance Interaction Mechanism Clinical Risk
MAOIs Additive serotonergic effects Serotonin Syndrome
SSRI/SNRI Antidepressants Additive serotonergic effects Serotonin Syndrome
CYP2D6 Inhibitors Decreased dextromethorphan metabolism (CYP2D6) Increased dextromethorphan exposure and side effects

Cautionary Combinations

Serotonergic Medications: Concomitant use with other serotonergic agents, including Selective Serotonin Reuptake Inhibitors (SSRIs) and Serotonin-Norepinephrine Reuptake Inhibitors (SNRIs) (e.g., fluoxetine, venlafaxine), Tricyclic Antidepressants (TCAs), or the herbal supplement St. John's wort, requires caution due to the elevated risk of Serotonin Syndrome.

CYP2D6 Inhibitors: Medications that inhibit the CYP2D6 enzyme (e.g., quinidine, fluoxetine, amiodarone, haloperidol) can decrease the breakdown of dextromethorphan, leading to increased plasma concentrations and a higher chance of adverse effects.

CNS Depressants: Concurrent use with alcohol or other Central Nervous System (CNS) depressants (e.g., sedatives, tranquilizers, narcotic analgesics) may increase the risk of dizziness, drowsiness, and slowed breathing. Combining different products containing dextromethorphan or similar antitussives should also be strictly avoided to prevent accidental overdose.

Mechanism of Action

Suppression of the Central Cough Coordinator

The primary mechanism involves modulating the neural activity within the brainstem to affect the cough reflex arc. This action focuses on dampening the excitability of specialized neurons located in the Nucleus Tractus Solitarius (NTS), the medullary cough center. This area receives afferent signals from the airways and coordinates the efferent signal of the reflex arc. By inhibiting the activity of the NTS neurons, the drug functionally elevates the cough threshold, altering the level required for central reflex activation.


Dual Molecular Interaction: Sigma-1 Agonism and NMDA Antagonism

The central action on the NTS is achieved through the drug’s direct engagement with two key neuroreceptors: sigma-1 (sigma1) receptor agonism and non-competitive NMDA receptor antagonism. The sigma1 action supports neuroregulatory modulation, while the antagonism of the excitatory NMDA receptor, largely mediated by the active metabolite Dextrorphan, reduces the overall excitatory signaling within the brainstem. These combined molecular actions lead to a state of depressed neuronal activity within the cough pathway.

Dosage and Administration Information

How to Use Tussastopp: Official Administration Guidelines

Administration of Tussastopp (Dextromethorphan Hydrobromide) is based on standard instructions outlining the route, dosing, frequency, and specific handling procedures.


Feature Guideline
Route of Administration Oral administration is the single approved method across all formulations, including syrups, solutions, and solid dosage forms.
Dosing Schedule (Adults ge 12 years) The typical immediate-release adult dose ranges from 10 mg to 30 mg per administration. The total intake must not exceed 120 mg in any 24-hour period.
Frequency and Timing Immediate-release formulations are scheduled for use every 4 to 8 hours as needed. Extended-release formulations are administered every 12 hours.
Timing in relation to Meals Tussastopp may be administered orally with or without food, as the medicine's absorption is not dependent on meal times.
Preparation and Handling Liquid forms require the use of an accurate dose-measuring device to ensure precise delivery of the labeled dose. Extended-release oral suspension bottles must be shaken well before use.
Use Duration Principle This medication is intended for short-term use for temporary relief. If the cough persists beyond a defined period, such as seven days, use should be discontinued.

Population-Specific Administration and Constraints

The dosing regimen for older adults (aged ge 65 years) is the same as for adults ge 12 years. Specific, lower dose regimens are defined for pediatric patients starting at 4 years of age. Practical administration constraints apply to modified-release forms: certain tablets and capsules should not be crushed, divided, or chewed to preserve their intended release characteristics. Furthermore, caution is advised for dose adjustment in patients with hepatic impairment due to the drug’s extensive metabolism.

Recent Clinical Evidence

Research evidence / Overview of studies for Tussastopp

Evidence for Use in Acute Cough Symptoms

Research involving this medicine has included Randomized Controlled Trials (RCTs), where subjects were assigned randomly to receive either the medicine or a placebo (inactive pill)—a study design often used in clinical research. This research approach was applied in settings relevant in trials assessing short-term or episodic symptom patterns associated with minor respiratory illnesses. Studies reported on two main types of outcomes: objective measures like electronic cough counts, and patient-reported outcomes describing perceived discomfort.

Findings describe patterns observed in the studies where objective cough counts were compared between the group taking the medicine and the placebo group. However, findings were mixed when comparing the subjective experience of relief reported by patients in both the active and placebo groups.

How Studies Measured the Effects on Cough

Research examined the effects using both scientific tools and patient input. Some trials focused on how the medicine was observed in contexts that monitor physiological strain, such as using challenge agents to see if the medicine was associated with a change in the reflex threshold. Overall, evidence suggests that interpretation of the data is complicated by the high placebo effect that was observed in some studies of acute cough. This natural improvement may make it challenging to isolate the medicine's specific effect.

Evidence in Specific Age Groups

The evidence base for Tussastopp was observed in populations of adults who were generally healthy. For younger populations, data for certain groups remain insufficient. While the medicine was studied for use in children aged 6 and older, the findings were mixed and evidence is limited for this subgroup compared to adults. Research indicates that the findings apply only to the populations studied.

Consistency of Findings and Research Gaps

A key limitation is the challenge of inconsistent findings between the objective measures (cough counts) and patient-reported outcomes. Additionally, research regarding long-term effects are not fully established because the trials typically cover a very short duration of only two to four days. Comparative evidence is lacking to definitively state the medicine’s relationship to other available cough treatments. Evidence highlights what is known — and what is still uncertain.

Frequently Asked Questions (FAQ)

Common questions about Tussastopp (FAQ)

Q: Is Tussastopp considered an antibiotic?

No, Tussastopp is formally classified by regulatory documents as a centrally acting antitussive agent. This type of medicine is used specifically to suppress or relieve coughs by acting on the cough reflex in the brain. It is not an antibiotic medicine.

Q: Can Tussastopp be taken on an empty stomach?

Yes, according to official administration guidelines, Tussastopp may be administered orally either with food or without food. The medicine’s absorption is described as not being dependent on meal times.

Q: How long does it usually take for Tussastopp to start working?

The medicine is a centrally acting agent designed to begin modulating the cough reflex upon absorption. Regulatory documents indicate that the effect of the medicine is generally maintained throughout the established dosing interval for immediate-release formulations, which is typically 4 to 8 hours.

Q: How long do the effects of Tussastopp typically last?

The length of the cough-suppressing effect generally aligns with the established dosing interval. Official product information describes this as typically 4 to 8 hours for immediate-release formulations or 12 hours for extended-release formulations.

Q: Is Tussastopp used for both dry and wet coughs?

Official documents describe the medicine as intended for the relief of persistent, dry, or irritating coughs. Official documentation states that the medicine is not for use with chronic coughs or coughs that are associated with excessive mucus or secretions.

Q: Is Tussastopp safe during pregnancy?

Regulatory information indicates that the safety of Tussastopp during pregnancy has not been established. The official guidance states that the medicine should be used only when a physician considers it essential for the patient.

Q: What information is available about Tussastopp and breastfeeding?

Studies suggest that a very low amount of the active substance and its metabolite may pass into breastmilk. Official documentation states that use is generally considered appropriate only when determined essential by a physician.

Q: Does Tussastopp have a sedative effect?

Yes, official safety documents list somnolence (drowsiness) and fatigue as common adverse reactions. These effects reflect the potential for the medicine to affect the central nervous system.

Q: Is it common to feel a little dizzy after taking Tussastopp?

Yes, official regulatory safety profiles classify dizziness as a common adverse reaction. This is one of the more frequently reported effects on the central nervous system.

Q: What if I forget to take a dose of Tussastopp?

Official product information contains specific instructions on how to handle missed doses, often advising that if a patient is close to their next scheduled dose, the missed dose should be skipped. These detailed instructions are found in the patient information leaflet.

Q: Is Tussastopp known to cause stomach upset?

Official safety data lists gastrointestinal upset, nausea, and vomiting among the common to uncommon adverse reactions. These effects are related to the medicine’s impact on the digestive tract.

Q: Are there generic versions of Tussastopp available?

The active ingredient in Tussastopp, Dextromethorphan Hydrobromide, is widely available in generic versions. It is also often included in many combination cough and cold preparations that are regulated by government health authorities.

Q: Does Tussastopp affect the ability to drive or operate machinery?

Regulatory safety information advises caution regarding the operation of machinery or driving, as the medicine may cause effects such as dizziness and drowsiness. These are central nervous system effects.

Q: Is it possible to become dependent on Tussastopp?

The active ingredient is not classified as a federally controlled substance. However, the potential for dependence or misuse is a documented regulatory warning, particularly when use involves dosages that exceed the officially labeled instructions.

Q: Do studies suggest that Tussastopp is effective?

Research evidence summaries indicate that findings in studies examining the medicine for acute cough were mixed. Studies tracked both objective measures, like cough counts, and the subjective experience of relief reported by patients.

Q: Is Tussastopp approved in countries outside the US?

Yes, the active ingredient in Tussastopp is approved and regulated by numerous international government health authorities, including official bodies in Europe, Canada, Australia, and Japan.

Q: How quickly is Tussastopp eliminated from the body?

Regulatory documents indicate that the active substance undergoes rapid and extensive metabolism in the liver. This process is the primary mechanism of its elimination from the body.

Q: Do studies track long-term safety data for Tussastopp?

Research evidence indicates a known limitation: most clinical trials typically cover a very short duration of only two to four days. This means that research regarding long-term safety effects is not fully established.

Q: Does Tussastopp cause changes in mood?

Changes in mood are not typically listed as common adverse reactions. However, official safety data does classify effects on the central nervous system, such as confusion and changes in mental status, as uncommon events.

Q: Can Tussastopp be crushed or split?

Regulatory constraints specify that modified-release dosage forms, such as certain tablets and capsules, should not be crushed, divided, or chewed, as per official administration guidelines.

Q: Is Tussastopp associated with allergic reactions?

Official safety data lists hypersensitivity reactions, including allergic skin reactions, as uncommon adverse events.

Q: What is the purpose of the inactive ingredients in Tussastopp?

Inactive ingredients (excipients) are listed on regulatory labels and serve several functional purposes. They provide necessary properties such as color, flavoring, stability, and form the base or vehicle for the active substance.

Q: How is the safety of Tussastopp monitored after it's approved?

Safety is continuously monitored by government health agencies after authorization. The process involves tracking and reviewing reported suspected adverse reactions.

Q: Does the efficacy of Tussastopp vary by age group?

Research evidence is primarily observed in the adult population. Official summaries state that findings for younger age groups were mixed and the evidence base for certain children is limited compared to that for adults.

Q: Can I take Tussastopp if I am already taking herbal remedies?

Official product information requires review when combining Tussastopp with other substances, including herbal remedies. Official interaction information specifically notes that co-administration with the herbal supplement St. John's wort is an area that requires caution.

Q: Is Tussastopp known to interact with grapefruit juice?

Yes, official product information includes drug-food interactions. This information advises that grapefruit juice can potentially affect how the medicine is processed and acts in the body.

Q: What is the recommended storage condition for Tussastopp?

Official instructions require the medicine to be stored at a controlled room temperature. This is typically between 20 C to 25 C (68 F to 77 F).

How should Tussastopp be stored and disposed of?

The storage and disposal of Tussastopp (Dextromethorphan Hydrobromide) must align strictly with official regulatory labeling to ensure product quality and safety.


Required Storage Conditions

Requirement Official Instruction
Temperature Store at controlled room temperature, typically 20 C to 25 C (68 F to 77 F).
Protection Keep the medicine in its original container, tightly closed, and protect from light and moisture.
Handling Liquid formulations must not be frozen.
Safety Store securely, out of the sight and reach of children.

Disposal Instructions

Expired or unused Tussastopp must not be disposed of using household trash or flushed down a toilet or sink. Regulatory documents mandate that unused product or waste material be discarded according to local requirements for pharmaceutical waste or through official medicine take-back programs.

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

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