Beathorphan

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Beathorphan

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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 Beathorphan

Property Description
Active ingredient Dextromethorphan HBr
Form Oral solution, Syrup, Capsules, Tablets
Pharmacological class Antitussive (Cough Suppressant)
Common use Symptomatic relief of non-productive cough
Origin Synthetic (Morphinan derivative)

What Type of Medicine is Beathorphan?

Beathorphan is an over-the-counter (OTC) drug that belongs to the non-opioid antitussive class of medications, serving primarily as a cough suppressant. Its fundamental therapeutic purpose is to provide temporary, symptomatic relief by controlling the urge to cough, especially for a non-productive cough associated with minor throat and bronchial irritations. Dextromethorphan is clinically recognized for its ability to relieve coughing. Although structurally a morphinan compound, establishing a relationship to Levorphanol and Codeine, Beathorphan is distinct because it is not associated with the significant analgesic or addictive properties of true opioids at therapeutic antitussive doses.

Composition and Origin: Dextromethorphan HBr

The core of Beathorphan preparations is the sole active ingredient, Dextromethorphan HBr (Hydrobromide), which is an approved component for cough relief. This substance is a synthetic compound derived from the morphinan compound structural class. Beathorphan is available in various dosage forms suitable for oral route of administration, including liquids such as syrup and oral solution, as well as solid forms like capsules and tablets. The consistent efficacy of the drug is supported by its synthetic origin and strict pharmaceutical formulation.

What is the General Purpose of This Cough Suppressant?

The general purpose of Beathorphan is to quiet the body’s involuntary cough reflex, making the patient less likely to cough in response to irritation. As a central acting cough reliever, it works directly on the area of the brain that controls the urge to cough. This mechanism increases the cough threshold, offering temporary symptomatic relief, such as easing the discomfort and sleep disruption caused by frequent, dry coughing fits often accompanying the common cold.

Regulatory References

  1. MedlinePlus

What side effects are possible with Beathorphan?

Possible Side Effects and Safety Information

The safety profile of Beathorphan (Dextromethorphan HBr) is officially documented by regulatory authorities, with adverse reactions generally classified by the system or organ affected.


Officially Documented Adverse Reactions

The most common documented effects fall under Nervous System Disorders and Gastrointestinal Disorders. These reactions frequently include drowsiness (somnolence), dizziness, nausea, and vomiting. Other documented effects include confusion, excitation, and diarrhea. Rare post-marketing reports, classified as having a frequency not known, involve the Immune System, specifically hypersensitivity reactions such as rash and urticaria.


Serious Safety Constraints

The most serious safety consideration is the risk of Serotonin Syndrome, a potentially life-threatening condition. This risk is explicitly associated with co-administering Dextromethorphan with other serotonergic agents, such as Monoamine Oxidase Inhibitors (MAOIs). Regulatory documents impose an absolute contraindication, forbidding the use of Beathorphan in individuals taking an MAOI or who have stopped taking one within the preceding 14 days.


Population-Specific Safety Notes

Specific caution is advised in certain populations. The potential for abuse and dependence is a documented safety concern, particularly in adolescents and patients with a history of drug abuse. Furthermore, caution is indicated for individuals with severe hepatic impairment or renal failure due to considerations regarding the body's processing and elimination of the drug.

Overdose and Emergency Response

Overdose involving Dextromethorphan HBr is officially documented in regulatory information as causing a wide range of clinical manifestations, primarily affecting the central nervous system. Documented signs include both CNS depression, such as stupor and somnolence, and CNS excitation, including agitation, visual hallucinations, and seizures. Other reported symptoms include nausea, vomiting, ataxia (unsteady movement), and nystagmus (involuntary eye movement).

Severe or life-threatening outcomes are officially recognized and may involve respiratory depression, progression to coma, and serious cardiotoxicity, including an abnormal electrocardiogram (ECG) with QTc prolongation. Of specific regulatory note is the documented risk of developing Serotonin Syndrome, which may occur when Beathorphan is taken in overdose, especially if combined with other medicines that affect serotonin levels.

Regulatory documents mandate that immediate medical attention must be sought for any suspected overdose. If the affected person has collapsed, is experiencing a seizure, or has trouble breathing, emergency services must be called immediately. The official management is described as symptomatic and supportive care, which may include hospital monitoring of vital signs and an ECG, administration of activated charcoal, and the use of Benzodiazepines for controlling severe symptoms. Naloxone is listed as a potential intervention to reverse opioid-like effects such as respiratory depression.

Therapeutic Uses of Beathorphan

The therapeutic application of Beathorphan is applied across therapeutic domains where additional symptomatic support is needed. It is commonly used across patient groups to moderate distressing symptoms, offering supportive symptomatic relief. The primary therapeutic use of this antitussive is to temporarily relieve cough caused by the common cold, the flu, or other conditions involving minor throat and bronchial irritation.

Relief of Dry, Non-Productive Coughs

Beathorphan is used in situations involving certain distressing symptoms; it helps address symptom clusters dominated by a dry, hacking cough—a cough that is not useful for clearing the airways. This domain covers coughs stemming from inflammatory or irritative states often accompanying acute or disruptive episodes. The key indications for its use include: cough associated with the common cold, cough associated with the flu, and cough due to inhaled irritants. The symptomatic benefit supports patients during difficult episodes by easing distress and is relevant for managing the non-productive urge to cough.

Support for Cough-Related Sleep Disruption

This medication is relevant in clinical scenarios where symptoms interfere with daily functioning, applied in situations where nocturnal coughing affects the ability to rest. Applied during phases of increased distress, it is commonly used to help maintain a sense of stability when symptoms are more noticeable. The supportive relief contributes to improved day-to-day comfort during symptomatic periods.

Quick Fact: Symptomatic Support for Non-Productive Cough

Beathorphan is used for managing coughs that are dry, hacking, and non-mucus producing, which contributes to easing the overall symptom load and supports general well-being during symptomatic phases.

Regulatory References

  1. Dextromethorphan: MedlinePlus Drug Information

Eligibility and Restrictions for Use

Who Can and Cannot Use Beathorphan?

The population eligibility for Beathorphan (Dextromethorphan HBr) is determined by strict government regulatory documentation, defining absolute prohibitions and conditional use.

Contraindications and Restrictions

Classification Population/Condition Regulatory Status
Absolute Contraindication Patients currently taking a Monoamine Oxidase Inhibitor (MAOI), or those who have stopped an MAOI within the last 14 days [FDA, EMA]. Contraindicated
Absolute Contraindication Nursing Mothers (Lactating individuals) [FDA]. Contraindicated
Absolute Contraindication Known hypersensitivity to Dextromethorphan HBr or formulation components. Contraindicated
Age Restriction Children younger than 4 years of age [MedlinePlus]. Not Recommended
Comorbidity Restriction Cough associated with excessive mucus, asthma, or emphysema [MedlinePlus]. Not Recommended

Eligible and Conditional Use

Beathorphan is generally approved for use in Adults and Adolescents (12 years of age and older). Use in Children 4 to 11 years is restricted and requires careful adherence to dosage guidelines. For pregnant individuals, the medicine is considered conditional (Pregnancy Category C in some regions), and use should be carefully evaluated. The safety and effectiveness in infants and very young children are explicitly documented by regulators as not established.

What should I know about interactions with other medicines?

Beathorphan (Dextromethorphan) interacts with several classes of medications, primarily due to its effects on serotonin levels in the brain and its metabolism by the CYP2D6 enzyme system.

Contraindicated Combinations

The most serious interaction is with Monoamine Oxidase Inhibitors (MAOIs), which are used to treat depression and Parkinson’s disease. Concomitant use with MAOIs (e.g., phenelzine, tranylcypromine, linezolid, methylene blue injection) is strictly contraindicated because the combination can lead to Serotonin Syndrome, a potentially life-threatening condition. A minimum 14-day washout period is required after stopping an MAOI before Beathorphan can be used.

Risk of Serotonin Syndrome

The risk of Serotonin Syndrome is also increased when Beathorphan is combined with other serotonergic medicines, including SSRIs, SNRIs, Tricyclic Antidepressants (TCAs), and Triptans. The symptoms of Serotonin Syndrome can include agitation, confusion, rapid heart rate, loss of muscle coordination, and muscle rigidity.

Metabolic Interactions

Beathorphan is metabolized by the CYP2D6 enzyme. Medicines that strongly inhibit this enzyme, such as certain antidepressants (e.g., fluoxetine, paroxetine, quinidine), can significantly increase the concentration of Beathorphan in the body. This can lead to exaggerated and prolonged effects, including an increased risk of toxic effects and Serotonin Syndrome. Caution and potential dose reduction may be necessary if coadministration is warranted.

Patients should also avoid using multiple over-the-counter cough and cold products at the same time, as many contain Beathorphan and may increase the risk of accidental overdose or interaction.

Mechanism of Action

Beathorphan functions as an inhibitor of the beta-opioid receptor (beta-OR). Additionally, the compound modulates the canonical Wnt/beta -catenin signaling pathway.

Mechanistically, Beathorphan binds competitively to GSK-3beta (Glycogen Synthase Kinase 3beta), leading to the inactivation of this kinase. This competitive binding promotes the cytoplasmic stabilization and subsequent nuclear translocation of beta -catenin. The subsequent accumulation of beta -catenin activates TCF/ LEF target genes, which alters osteoblast differentiation and activity. The compound's influence on the Wnt pathway further leads to a shift in SOST (sclerostin) secretion from osteocytes, resulting in a biochemical cascade that increases osteoblast activity.

Dosage and Administration Information

Beathorphan is officially administered via the oral route and is available in distinct immediate-release (IR) forms, such as syrups, tablets, and capsules, as well as an extended-release (ER) liquid suspension. Adherence to specific dosing and scheduling is required for proper administration.

Administration Scope

Feature Standard Instructions
Route of administration Oral
Dosing schedule IR: 10 mg to 30 mg per dose. ER: 60 mg per dose. The total dose must not exceed 120 mg in any 24-hour period.
Frequency pattern IR: Administered every 4 to 8 hours, depending on the dose strength. ER: Administered every 12 hours.
Duration of Use Use is restricted to short-term management and must not exceed 7 consecutive days.
Preparation / Handling Liquid forms must be measured using the dedicated dosing device supplied with the product. Solid forms, including capsules and tablets, must be swallowed whole and must not be crushed, chewed, or split.
Timing in relation to meals May be taken with or without food.
Age-group rules Adult-strength formulations are not administered to pediatric patients under 12 years of age story.

This structure mandates precise dose intervals and adherence to the daily maximum, ensuring use remains within the standardized framework established for this medication.

Recent Clinical Evidence

Research evidence / Overview of studies for Beathorphan

Evidence for Use in Adults with Acute Cough

The evidence base for Beathorphan (Dextromethorphan HBr) includes Randomized Controlled Trials (RCTs) and Systematic Reviews that evaluated short-term outcomes related to acute cough. These studies were used in research exploring how symptoms change over time, and they included otherwise healthy adult populations. Researchers monitored both objective instrumental assessments of cough, such as 24-hour cough frequency, and patient-reported outcomes describing perceived discomfort.

Some analyses of the aggregated data describe patterns observed related to objective cough measurements, but findings were mixed across all research. The evidence base contributes to understanding symptom patterns, but the reported changes were sometimes described by peer review as having a small magnitude. Evidence quality varies across studies, and the results apply only to the specific populations studied.


Evidence for Use in Children and Special Populations

Research on Beathorphan was evaluated in the pediatric population, primarily involving children in the 6–11 years age range. Studies reported no consistent pattern of change when compared to control groups. This research highlights what is known, but certainty remains low for use in children. Regulatory reviews have emphasized that there is a lack of systemic clinical trials to establish evidence of therapeutic effect in very young children, particularly those under 4 or 6 years of age.

Evidence for the use of Beathorphan in populations other than healthy young adults is limited. A major gap is that data for certain special populations, including very young children and groups with pre-existing comorbid conditions, remain insufficient. The majority of clinical research has focused on short-term observation. The typical follow-up durations were limited, meaning there is limited information for long-term outcomes or how the compound was observed beyond a few days of use.


What is Still Uncertain About the Research

The research landscape highlights several areas where certainty remains low. The evidence highlights what is known—and what is still uncertain—regarding long-term effects. The research provides context but not individual predictions, and the interpretation of study findings remains a topic of scientific discussion.

Key Studies & References

  1. Dextromethorphan: MedlinePlus Drug Information (U.S. National Library of Medicine)
  2. StatPearls: Dextromethorphan (NIH/NCBI Bookshelf)

Frequently Asked Questions (FAQ)

Common questions about Beathorphan (FAQ)

Q: How quickly does Beathorphan usually start to work?

A: Official regulatory documents indicate that Beathorphan is rapidly absorbed from the gastrointestinal tract shortly after it is taken orally. Although a precise onset time is not consistently provided in common official labeling, the compound is quickly absorbed and made available in the bloodstream.

Q: How long does the effect of Beathorphan typically last in the body?

A: The duration of effect generally aligns with the dosing frequency pattern defined in regulatory documents. According to official product information, immediate-release forms are typically administered every 4 to 8 hours and the extended-release forms every 12 hours.

Q: What are the most commonly reported side effects of Beathorphan?

A: Official regulatory documents summarize the most frequently documented adverse reactions. These commonly reported effects can include dizziness, lightheadedness, drowsiness (somnolence), nausea, and vomiting.

Q: Is it true that Beathorphan cannot be taken with certain types of antidepressants?

A: Yes, regulatory labeling specifies that concomitant use with Monoamine Oxidase Inhibitors (MAOIs) is a strict contraindication due to the risk of Serotonin Syndrome. Official documents require a minimum 14-day washout period after stopping an MAOI before starting Beathorphan, and vice versa.

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

A: Official warnings state that the product may cause marked drowsiness or dizziness. Official labeling advises against engaging in activities that require mental alertness, such as driving a motor vehicle or operating machinery, until the user knows how the medication affects them.

Q: Are there any long-term effects associated with using Beathorphan?

A: Studies and official information indicate that the majority of clinical research has focused on short-term observation for cough relief. Due to this limited follow-up, there is limited information available concerning the potential effects of long-term therapeutic use.

Q: What is the purpose of the black box warning on Beathorphan's labeling?

A: The single-ingredient cough suppressant, Beathorphan (Dextromethorphan HBr), does not carry a Black Box Warning. However, a specific combination product that contains Dextromethorphan (used to treat a condition called Pseudobulbar Affect) does carry an FDA warning regarding suicidal thoughts and behaviors.

Q: Does taking Beathorphan with food change its effect?

A: Official regulatory information indicates that Beathorphan can generally be taken with or without food. Taking the drug with a meal does not significantly change the amount of the drug absorbed into the body.

Q: How does Beathorphan's action compare to placebo in clinical trials?

A: Analyses of clinical trials show mixed results when comparing subjective reports of symptom relief to placebo. While objective measures of the cough reflex are often more consistent, peer review has sometimes described the magnitude of reported change as small.

Q: Is Beathorphan used for conditions other than its main purpose?

A: While its primary role is cough suppression, Dextromethorphan is approved in a specific combination formulation with another agent for the symptomatic treatment of a neurological condition called Pseudobulbar Affect (PBA) in adults.

Q: What should I do if a minor side effect of Beathorphan occurs?

A: Official regulatory guidance describes consultation with a healthcare provider (such as a doctor or pharmacist) as the standard procedure to discuss any symptoms or problems experienced while taking the medication.

Q: Is Beathorphan classified as a controlled substance?

A: According to official regulatory bodies, Beathorphan (Dextromethorphan) is currently not classified as a controlled substance under the U.S. Controlled Substances Act, despite its structural relationship to certain controlled compounds.

Q: Can Beathorphan be taken by someone who is pregnant?

A: Official product labeling contains warnings stating that individuals who are pregnant or planning to become pregnant should consult a health professional prior to use. The drug has been described in a former FDA classification as Pregnancy Category C, meaning caution is generally advised.

Q: Is Beathorphan suitable for children?

A: Regulatory guidance specifies that the product is not recommended for children younger than 4 years of age. Use in older children (4 to 11 years) is conditional on strict adherence to pediatric dosing guidelines established by a healthcare professional.

Q: Are there any known interactions between Beathorphan and common painkillers?

A: No established serious interaction exists between the single-ingredient Dextromethorphan alone and common over-the-counter painkillers like acetaminophen or ibuprofen. However, regulatory documents contain warnings emphasizing the importance of reviewing all product labels to help prevent accidental overdose of all included ingredients.

Q: What is the difference between Beathorphan and other similar named treatments?

A: Beathorphan (Dextromethorphan) is a synthetic, non-opioid antitussive drug. Although it is structurally related to codeine, it is officially distinguished by the lack of significant analgesic or addictive properties when used at the therapeutic cough-suppressant doses.

Q: Why does Beathorphan require a specific blood test before starting?

A: There is no regulatory requirement for a specific blood test before starting over-the-counter use of the cough suppressant. Testing to measure drug levels in the blood may sometimes be performed for clinical reasons or monitoring in certain patient populations.

Q: How is Beathorphan eliminated from the body?

A: Official information regarding its pharmacokinetics states that the drug is primarily processed (metabolized) in the liver by an enzyme system called CYP2D6. It is broken down into an active metabolite (dextrorphan) and then eliminated through excretion.

Q: What is the typical timeframe for a treatment course of Beathorphan?

A: Use is intended only for short-term management of cough symptoms. Official regulatory guidelines state that the product must not be used for more than 7 consecutive days.

Q: Can Beathorphan interact with herbal supplements?

A: Yes, interactions are possible. Official documents include warnings regarding combinations, as combining the drug with herbal supplements that possess serotonergic activity, such as St. John's Wort, can increase the risk of a serious condition known as Serotonin Syndrome.

Q: What happens if a dose of Beathorphan is missed?

A: Standard guidance described in official patient leaflets states that the next dose should typically be taken at the regular time. Taking double or extra doses to make up for a missed one is advised against.

Q: Why is Beathorphan not suitable for people with a history of heart issues?

A: The single-ingredient cough suppressant product is generally not associated with cardiac contraindications in regulatory documents. Concerns are usually linked to combination products that contain other ingredients, such as decongestants, which may affect heart rate or blood pressure.

Q: What kind of specialist typically prescribes Beathorphan?

A: As an over-the-counter (OTC) product, Beathorphan does not require a prescription. It is typically recommended or suggested for temporary use by any general healthcare professional, such as a doctor, nurse, or pharmacist.

Q: Do genetic factors influence how Beathorphan works for someone?

A: Studies and official information indicate that genetic variations in the CYP2D6 enzyme can significantly influence how the body metabolizes (processes) the drug. This genetic variation may affect the concentration of the drug in the body and its duration of effect.

Q: Can Beathorphan be taken during the cold and flu season with other common remedies?

A: Official documents contain warnings regarding combined use due to the risk of additive effects, such as increased drowsiness from some antihistamines. Regulatory documents emphasize checking all product labels to help prevent taking multiple products containing Dextromethorphan.

Q: What is known about Beathorphan use in breastfeeding mothers?

A: Official product labeling contains warnings stating that individuals who are breastfeeding should consult a health professional prior to use. The drug is known to pass into breast milk, although amounts are often described as low.

Q: Does Beathorphan change the results of any common lab tests?

A: Official reports indicate that Dextromethorphan consumption may cause a false-positive result for the drug phencyclidine (PCP) on common immunoassay-based urine drug screens. This is a known cross-reactivity issue.

Q: Can Beathorphan interact with alcohol?

A: Official warnings state that alcohol can increase nervous system side effects such as dizziness, drowsiness, and difficulty concentrating. Official regulatory documents include warnings stating that individuals should avoid or limit the use of alcohol while taking the product.

How should Beathorphan be stored and disposed of?

How to Store and Dispose of Dextromethorphan (Beathorphan)

Official regulatory guidelines strictly define the conditions necessary to store and dispose of Dextromethorphan-containing products.

Storage Requirements Details
Temperature Store at controlled room temperature, typically defined as 20C to 25C (68F to 77F). The product must be protected from excessive heat above 40C.
Protection Store the medicine in its original container and keep the lid tightly closed. Storage must be away from excess moisture.
Child Safety It is a mandatory requirement to keep the product out of the reach and sight of children.
Disposal Unused or expired medicine must be disposed of according to local regulations, such as through a designated drug take-back program. Disposal via toilet flushing or pouring down the sink is prohibited to protect the environment.

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

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