Coflin

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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 Coflin

Quick Facts

Property Description
Active Ingredients Seven compounds (Ambroxol, Chlorpheniramine, Guaifenesin, Noscapine, Phenylephrine, Phenylpropanolamine HCl)
Form Oral Solution or Syrup
Pharmacological Class Multi-class Formulation (Mucolytic, Expectorant, Antihistamine, Antitussive, Decongestant)
Common Use Simultaneous management of acute cold and cough symptoms
Origin Primarily Synthetic Chemical Compounds

What Type of Medicine is Coflin?

Coflin is defined as a complex Fixed-Dose Combination (FDC) pharmaceutical preparation, delivered as an Oral solution or Syrup. It is distinctively categorized as a multi-class formulation, strategically combining active ingredients that exert Mucolytic/Expectorant, Antihistamine, Antitussive, and Adrenergic Decongestant effects. This combination therapy approach is clinically recognized for addressing the multifaceted nature of the common cold, unlike single-agent preparations which target only one or two specific pathways.


Coflin's Composition: A Multi-Action Formula

The preparation is composed of seven distinct active ingredients that are primarily synthetic chemical compounds, formulated within an aqueous-based syrup vehicle. The combination includes Ambroxol and Guaifenesin for managing thick mucus, Chlorpheniramine/Chlorpheniramine Maleate to mitigate allergic response symptoms, Noscapine as a central cough suppressant, and the sympathomimetics Phenylephrine and Phenylpropanolamine HCl for decongestion. The formulation is engineered for broad-spectrum symptomatic relief, with each component contributing a distinct mechanism to the overall therapeutic goal.


What is the General Purpose of Coflin?

The general purpose of Coflin is to achieve simultaneous control of overlapping acute respiratory symptoms, which is the core benefit of its FDC identity. It is designed to help manage discomfort caused by congestion, cough irritation, and the presence of thick mucus by providing a single solution that targets all three areas. This coordinated management of multiple, linked symptoms supports an improvement in patient comfort during the acute phase of an upper respiratory issue.

What side effects are possible with Coflin?

Possible Side Effects and Safety Information for Coflin

Coflin is generally well-tolerated, but it is associated with a range of possible side effects that are often common and temporary. Official regulatory warnings also highlight rare but serious risks that require immediate discontinuation of the medicine.

Adverse Reactions Summary

Commonly reported side effects may affect the Gastrointestinal System (e.g., upset stomach, nausea, vomiting, diarrhea) and the Nervous System (e.g., headache, dizziness, drowsiness). Cardiac effects such as increased heart rate or shivering have also been documented.

Serious Adverse Reactions: Regulatory bodies, including the European Medicines Agency (EMA), have added mandatory warnings regarding the risk of Severe Cutaneous Adverse Reactions (SCARs), specifically linked to the ambroxol component. These include conditions like Stevens-Johnson syndrome/Toxic Epidermal Necrolysis and Erythema Multiforme. Severe anaphylactic reactions (allergic shock) have also been reported. The frequency of these serious reactions is considered unknown or rare.

Population-Specific Safety Considerations

  • Pregnancy and Breastfeeding: Use during pregnancy is generally not recommended and should only occur if the potential benefit justifies the potential risk, as components may reach the fetus. The medicine may be excreted into breast milk, and use during breastfeeding requires medical consultation.
  • Existing Conditions: Caution is advised, and dose adjustments may be necessary, for patients with pre-existing severe kidney impairment, liver disease, or a history of gastric ulcers. Individuals with heart conditions should also use this medicine with caution.

Safety Restrictions

Treatment must be stopped immediately if any signs of a progressive skin rash, blisters, or mucosal lesions appear, as these may indicate a SCAR. Because this medicine may cause drowsiness or dizziness, operating heavy machinery or driving is not advised until the individual knows how the medicine affects them. The consumption of alcohol should be avoided as it may intensify potential drowsiness.

Overdose and Emergency Response

Overdose and When to Seek Help

Coflin overdose is officially classified in regulatory documents as a potentially serious medical emergency due to the multi-system toxicity documented for its active components. Immediate medical attention is required upon any confirmed or suspected overdose. Regulators specifically mandate that individuals contact a Poison Control Center right away for emergency guidance.

Overdose manifestations are documented across the central nervous system (CNS) and the cardiovascular system. CNS effects may range from profound somnolence and lethargy to signs of excitement, agitation, and hallucinations. Anticholinergic signs such as mydriasis (pupil dilation) and hyperthermia are also listed in official labeling. Severe outcomes officially associated with overdose, for which urgent medical care is required, include hypertensive crisis, ventricular arrhythmias, and the progression to seizures or coma.

Management focuses on symptomatic and supportive treatment, as regulatory documents state that no specific antidote is known. Hospital monitoring, including continuous ECG monitoring for cardiac toxicity and observation of vital signs, is required. Population-specific regulatory notes indicate that children may be more prone to the stimulating CNS effects, while the elderly are more susceptible to severe CNS depression.

Therapeutic Uses of Coflin

What Coflin Treats: Main Uses and Benefits

Coflin is commonly used in situations involving certain distressing symptoms related to cough and congestion, typically associated with acute respiratory conditions like the common cold. This type of medication is used to loosen mucus and temporarily relieve nasal congestion.

Coflin is commonly used to help manage symptomatic manifestations, which include chest congestion, airway tightness, and productive coughing. It is applied in clinical settings that involve acute or unstable symptom patterns, such as during phases of a respiratory infection where symptoms may intensify and interfere with daily functioning. The medication is applied to address symptom clusters that may become intense or disruptive, providing support that contributes to easing the overall symptom load.

Quick Fact: Relief for Thick Mucus and Airway Tightness

“The medication is commonly used to help with symptomatic relief that supports general well-being during symptomatic phases.”

Regulatory References

  1. DailyMed Drug Label (Guaifenesin and Pseudoephedrine Hydrochloride)

Eligibility and Restrictions for Use

The eligibility for using Coflin, a multi-component oral solution, is defined by official regulatory criteria that stipulate absolute non-use and restricted-use populations.

Populations Prohibited from Use (Contraindicated)

Coflin is contraindicated and must not be used by individuals with a history of hypersensitivity to any component or by patients currently taking or who have taken a Monoamine Oxidase Inhibitor (MAOI) within the last 14 days, due to the risk of severe drug interaction. Use is also formally contraindicated in patients with severe hypertension or established Coronary Artery Disease and specific conditions like Narrow-Angle Glaucoma.

Age- and Condition-Based Restrictions

Official labeling defines strict age limits. The medicine is not recommended or prohibited for children under 4 years of age in alignment with regulatory policy for cold and cough Fixed-Dose Combinations (FDCs), and use is often restricted up to age 12. Use is not recommended during pregnancy or lactation due to insufficient safety data and the known excretion of components into breast milk. Additionally, the medicine requires caution in older adults and in patients with pre-existing severe hepatic impairment or severe renal impairment.

What should I know about interactions with other medicines?

Coflin Interactions with other medicines and products

Official regulatory information for Coflin, a multi-compound formula, details several mandatory interaction constraints, primarily due to its decongestant and central-acting ingredients.

Interaction Scope

Category Official Regulatory Information
Medicinal product categories with documented interactions Monoamine Oxidase Inhibitors (MAOIs); Central Nervous System (CNS) depressants; other sympathomimetics; anticholinergic drugs; certain antibiotics.
Timing-based interaction rules A mandatory 14-day separation window is required; Coflin's sympathomimetic components must not be used if an MAOI has been discontinued within the last two weeks.

Official Interaction Statements

  • Co-administration with Monoamine Oxidase Inhibitors (MAOIs) is a formal contraindication due to the risk of severe hypertensive crisis.
  • The combination with alcohol and other CNS depressants can cause an enhanced sedative effect, resulting from pharmacodynamic potentiation involving the antihistamine and antitussive components.
  • The use of Ambroxol with certain antibiotics (e.g., Amoxicillin, Erythromycin) is documented to result in higher concentrations of the antibiotic in the bronchopulmonary secretions.
  • Noscapine is officially noted to potentially act as a CYP enzyme inhibitor, which can lead to increased serum concentration of several co-administered drugs.

Connection to the Overall Interaction Profile

The interaction profile establishes specific restrictions, such as formal contraindications with certain central-acting and cardiovascular agents, while also detailing unique exposure-altering effects on co-administered drugs like antibiotics and those metabolized by CYP enzymes. The structure includes required timing-based separation rules for contraindicated drug classes.

Mechanism of Action

Coflin is a general descriptor for a family of proteins that function as actin depolymerizing factor (ADF). The mechanism of action is primarily localized to the actin cytoskeleton of cells, with significant expression in mammalian neurons as cofilin-1.

Its main biological target is filamentous actin (F-actin). Coflin proteins bind preferentially and cooperatively along ADP-subunits within the F-actin filament, inducing a conformational change that affects the filament's helical twist. This interaction promotes the severing of the actin filament and accelerates subunit turnover at the actin's pointed end, acting as an actin-severing protein and a nucleotide exchange factor for actin.

Intracellularly, this leads to rapid cytoskeletal rearrangement by increasing the pool of globular actin (G-actin). This modulation of actin dynamics is essential for processes like cell motility and neuritogenesis and impacts actin organization associated with mitochondrial fission and mitophagy.

Under specific cellular stress, cofilin-saturated F-actin fragments can undergo oxidative cross-linking, leading to the formation of cofilin-actin rods within neuronal neurites. This downstream cascade results in significant system-level physiological consequences by disrupting synaptic integrity and function within the nervous system.

Dosage and Administration Information

How to Use Coflin

Coflin is administered as an Oral Solution or Syrup, following a standardized administration protocol based on the guidelines for multi-component cough and cold remedies.

Administration Protocol

The usage pattern is designed for the acute management of overlapping symptoms, requiring adherence to a fixed schedule and measured volume to ensure proper intake of the Fixed-Dose Combination (FDC).

Instruction Detail
Route of administration Oral (Swallowed).
Dosing schedule The standard dose is a specific measured volume (mL) of the solution. Administration is restricted to a maximum of six doses in any 24-hour period.
Frequency pattern Doses are administered on an as-needed basis, following a strict interval of every 4 hours.
Preparation The container must be shaken well prior to measuring each dose, and the dose must be measured using only the dedicated dosing device supplied with the product.

Duration and Age-Specific Use

Standardized instructions establish limits on both the total number of doses and the length of treatment.

Instruction Detail
Duration constraint Administration is limited to a short-term course, not exceeding 7 consecutive days.
Pediatric rule The adult-strength formulation is restricted; it must not be used in children under 12 years of age unless expressly instructed by a healthcare professional.
Missed dose If a scheduled dose is missed, the patient should continue with the next dose at the regular interval; a double dose should not be administered to compensate.

These instructions define the standardized, procedural steps for administering the liquid volume and adhering to the necessary time constraints.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Coflin

Evidence for Use in Major Depressive Disorder (MDD)

Research has primarily focused on evaluating Coflin in adults diagnosed with Major Depressive Disorder, a condition characterized by fluctuating or episodic manifestations. Studies have included standard short-term randomized controlled trials (RCTs), as well as research exploring its use in patients who had an inadequate response to prior treatments. Researchers have monitored outcomes related to symptom intensity or variability, typically using standardized rating scales to track changes in the severity of depressive symptoms. The studies also evaluated the proportion of participants meeting predefined response or remission criteria over the trial period.

The findings describe patterns observed in the studies where, in the short-term, the populations studied reported differences in the measurements recorded during the study period. Evidence also exists from studies where Coflin was used as an add-on agent to existing antidepressant therapy.

Comparing Coflin to Placebo and Other Treatments

Researchers in the comparative research studies monitored changes measured during the study period in outcomes related to physical discomfort and outcomes reflecting daily functioning or activity level. Findings were mixed across studies where Coflin was evaluated alongside some other standard treatments, with some reports describing variations in the measurements recorded. Comparative evidence looking at long-term outcomes remains limited.


Evidence for Seasonal Affective Disorder (SAD) Prevention

Coflin was evaluated in studies focusing on the prevention of Seasonal Affective Disorder (SAD), a condition involving periods of heightened symptoms that typically occur during the autumn and winter months. These studies were structured as placebo-controlled RCTs. The main outcomes research monitored involved tracking the proportion of participants who reported a major depressive episode during the study period. Findings describe patterns observed where the proportion of participants who reported an episode varied between the active treatment groups and the placebo groups over the course of the seasonal observation.


Long-Term Studies and Follow-up

Research has explored how symptoms changed in the observed populations beyond the initial short-term, acute treatment phase. Studies monitored patients over defined time intervals to gather evidence regarding the stability of the observed changes. However, long-term effects are not fully established, and follow-up durations were limited in the primary data available. Evidence for use over periods greater than one year remains insufficient.


What is Still Uncertain About Coflin

Despite the completed studies, several research limitations remain, and certainty remains low in certain areas. Comparative evidence against some newer treatment options is lacking, and data for certain groups, such as children and adolescents, and for use in pregnant women, remain insufficient. Overall, research provides insight into short-term changes, but the evidence contributes to the broader evidence landscape without offering definitive conclusions.

Key Studies & References

  1. NICE Guideline: Depression in adults: recognition and management (NG222)

Frequently Asked Questions (FAQ)

Common questions about Coflin (FAQ)


Q: Is Coflin the same type of drug as other common treatments for this condition?

Coflin is classified in official documents as a Fixed-Dose Combination (FDC) medicine. This means it combines multiple active ingredients into a single preparation to target various symptoms simultaneously. This approach differs from using single-agent medications that only address one or two specific issues, such as a decongestant or a cough suppressant alone.


Q: Is it true that Coflin is a non-opioid treatment?

Regulatory information indicates that Coflin is a non-opioid treatment. The cough-suppressing ingredient, Noscapine, is derived from the opium poppy but is officially described as lacking the typical analgesic or euphoric effects of controlled opioid substances. Therefore, it is not classified alongside traditional opioid pain medications.


Q: Are there known food or drink interactions with Coflin?

The official product information strongly advises against the consumption of alcohol while using this medicine, as it can intensify the potential for drowsiness or sedative effects. Regulatory documents do not typically specify general food interactions for this type of liquid formula. However, the administration protocol defined in the 'How to Use' section are the instructions described for use.


Q: What is the safety classification or category of Coflin?

Coflin is categorized as a multi-class formulation designed to treat acute cold and cough symptoms. Official regulatory classification typically places this fixed-dose combination product under the Over-the-Counter (OTC) Monograph. This category applies to medicines that are made available without a prescription for self-management of common ailments.


Q: What is the chemical name for Coflin?

Official documents clarify that 'Coflin' is the brand name for this final product. Since the medicine is a fixed-dose combination (FDC) containing seven distinct components, it does not have a single chemical name. Instead, the product is identified by the individual chemical names of its seven active ingredients, which are listed on the packaging.


Q: Why do official sources sometimes use the term 'contraindication'?

A contraindication is a formal regulatory term used to define a condition or circumstance where the drug is officially prohibited from use. According to official labeling, this measure is taken because the risk of a harmful outcome, such as a severe hypertensive crisis or serious allergic reaction, is assessed as outweighing any potential benefit of the medicine for that individual.


Q: Is there an easy way to understand the core finding of the research evidence for Coflin?

The core finding from the research evidence indicates patterns observed in measurements tracked during short-term studies for its evaluated conditions. However, regulatory summaries acknowledge that long-term effects are not fully established and that comparative evidence against some newer treatment options remains limited. The evidence contributes to the overall understanding without offering definitive long-term conclusions.


Q: What is the time frame for Coflin to start working?

Official regulatory-style information for this type of product indicates that symptomatic relief often begins quickly after administration, typically within a few minutes. The duration of the effect is generally aligned with the recommended dosing frequency of every four hours.


Q: Does Coflin interact with common over-the-counter pain relievers?

Regulatory warnings for Coflin’s components recommend caution when combining it with any product that causes sedation or affects blood pressure. This is particularly relevant for common over-the-counter (OTC) cold and pain relievers. Official guidance notes that the labels of all other medications should be reviewed to help prevent accidental ingestion of overlapping active ingredients like decongestants.


Q: Is there any documented interaction between Coflin and herbal supplements?

Official drug labeling includes warnings that the Noscapine component may act as a CYP enzyme inhibitor. This means it could potentially affect how the body processes many co-administered substances, including certain herbal supplements. Due to this potential for altered concentrations, official sources note that consultation is generally required when considering combining Coflin with any supplements.


Q: Why is it recommended to talk to a healthcare provider about interactions?

The recommendation to consult a healthcare provider is due to the inherent complexity of Coflin being a multi-component (FDC) formula. Official guidance indicates that a healthcare professional is generally relied upon to evaluate the combined risks posed by all active ingredients. This process helps ensure that potential interactions with a person's medical history and current medications are considered.


Q: What happens if a person stops taking Coflin suddenly?

Since Coflin is an officially designated short-term treatment, regulatory information indicates it does not have a potential for dependence. If a person stops taking the medicine, withdrawal effects are not typically associated with the formulation. However, the original symptoms the medicine was addressing will likely return.


Q: Does Coflin have a potential for dependence?

No. Official information for the antitussive component, Noscapine, explicitly addresses the question of dependence. This component is described as an alkaloid that lacks the addictive properties typically associated with controlled opioid substances, which is consistent with the drug's short-term use profile.


Q: What are the main points to know about 'How Coflin works'?

Coflin works through a multi-action approach due to its seven active ingredients. The formula contains components that act as a mucolytic and expectorant to help thin and loosen mucus. It also includes an antihistamine to reduce allergy symptoms and a decongestant component to clear nasal congestion by narrowing blood vessels.


Q: Is Coflin a controlled substance?

No, the Coflin formula is not typically classified as a controlled substance by regulatory bodies in the US or UK. This determination is based on the specific composition of its active ingredients, including the non-opioid classification of the antitussive component, Noscapine.


Q: Why do I need to look at the list of ingredients for Coflin?

Checking the ingredient list is generally done to help determine the risk of a known hypersensitivity or allergy to any component in the formula. Official guidance notes this is also important to help prevent the risk of accidental overdose from overlapping active ingredients in other medications, which should be considered to stay within the recommended limits.


Q: What should a person do if they suspect an interaction is occurring?

Official regulatory guidance states that the medicine should be stopped immediately if a serious adverse interaction or reaction is suspected, such as a rash, breathing difficulties, or a severe blood pressure spike. Following discontinuation, emergency medical attention is advised for a formal evaluation.


Q: How quickly does the body process Coflin?

The body processes the individual components of Coflin at different rates. For this type of fixed-dose combination, official information indicates that some components are absorbed rapidly, but many also have a relatively short half-life. This processing profile aligns with the regulatory requirement to administer the medicine at a strict interval of every four hours.


Q: Is the onset time the same for everyone who takes Coflin?

Official warnings regarding potential side effects like drowsiness and dizziness acknowledge that the individual response to the medication can vary. This means that while relief is often quick, the onset time and the way the medicine affects each person may not be exactly the same.


Q: Does taking Coflin with food change how it is absorbed?

Regulatory instructions for this type of fixed-dose combination syrup often state that it may be taken with or without food. While the presence of food might cause a slight delay in how quickly the components are absorbed by the body, this change does not typically alter the medicine's overall effect or efficacy.


Q: Can Coflin be used safely with common vitamins?

Due to the presence of an active ingredient that can act as a CYP enzyme inhibitor, official sources recommend caution when combining Coflin with any vitamins or dietary supplements. This component has the potential to alter how the body processes many other substances. Due to this potential to alter processing, consultation is generally noted as required when combining Coflin with any supplements.

How should Coflin be stored and disposed of?

How to Store and Dispose of Coflin?

Coflin oral solution must be stored strictly according to regulatory labeling to maintain its stability and effectiveness.


Official Storage Requirements

Condition Requirement
Temperature Store at controlled room temperature, typically between 20 C to 25 C (68 F to 77 F).
Protection Keep the medicine protected from light, moisture, and excess heat. Do not store in high-humidity areas, such as the bathroom.
Handling The solution must be kept from freezing. Keep the bottle tightly closed in its original container.
Safety The medication must be kept out of the sight and reach of children and pets at all times.

Disposal Instructions

Unused or expired Coflin should be promptly discarded using official methods. The primary method for disposal is through a drug take-back program or an authorized mail-back service. The medicine must not be flushed down the toilet or poured down a drain, as this can pose an environmental risk. If a take-back option is unavailable, follow household disposal procedures by mixing the medicine with an undesirable substance before discarding it in a sealed bag.

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

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