Clarisoft

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Clarisoft

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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 Clarisoft

Clarisoft: What It Is (Quick Overview)

Clarisoft is defined as a synthetic, fixed-dose combination drug used for the symptomatic relief of nasal obstruction and irritation.

Property Description
Active Ingredients Ephedrine, Phenazone
Form Nasal drops / Solution
Pharmacological Class Sympathomimetic Decongestant and Pyrazolone Analgesic
General Purpose Symptomatic relief of nasal congestion and local discomfort
Origin Synthetic

Clarisoft: Classification as a Combination Drug

Clarisoft is defined as a synthetic, fixed-dose combination drug that simultaneously delivers two distinct active components within a single pharmaceutical product. It is categorized broadly as a Sympathomimetic Decongestant and a Pyrazolone Analgesic, reflecting the medicine's primary actions in managing symptoms associated with nasal lining inflammation. The combination approach is clinically recognized for its utility in targeting multiple symptoms concurrently, distinguishing it from single-agent formulations. The design intent of this medication is to offer a comprehensive strategy for treating the physical discomfort and inflammation that often coexist during acute episodes of rhinitis.

Active Composition: Ephedrine and Phenazone

The active composition of Clarisoft features Ephedrine and Phenazone, both synthetic chemical entities optimized for localized action. Clarisoft is typically presented in the form of sterile nasal drops or a solution and is intended specifically for topical intranasal administration. Ephedrine, an alpha-adrenergic agonist, is included for its ability to cause vasoconstriction, while Phenazone functions as the component responsible for the associated analgesic and anti-inflammatory action. The efficacy of Ephedrine as a vasoconstrictor is well-documented in reducing mucosal swelling, supporting its role in topical decongestion. This topical delivery method is a key differentiating factor, enabling the medicine to provide rapid, focused relief directly where symptoms occur.

General Purpose in Symptomatic Relief

The general purpose of Clarisoft is to provide symptomatic relief from obstruction and irritation within the nasal passages, such as those experienced during a typical head cold. The co-action of the two ingredients helps to facilitate the restoration of nasal patency (openness) by shrinking swollen tissues while concurrently reducing local sensory discomfort and pressure. This targeted approach aims to improve the patient's capacity for clearer breathing and alleviate the feeling of pressure in the head. The product is fundamentally designed to manage these acute physical symptoms associated with temporary nasal inflammation.

Regulatory References

  1. NCBI Bookshelf: Ephedrine - StatPearls

What side effects are possible with Clarisoft?

The official safety profile for Clarisoft, a combination of Ephedrine and Phenazone, documents potential effects categorized by frequency and the body system affected. These classifications are established by government regulatory agencies.

Frequency-Classified Adverse Reactions

Adverse reactions are formally categorized based on the estimated rate of occurrence:

  • Common: Local effects at the site of application, such as nasal irritation, dryness of the nasal mucosa, and a temporary burning sensation.
  • Uncommon: Systemic effects related to the decongestant component, including tachycardia (increased heart rate), palpitations, and restlessness.
  • Rare: Reactions such as skin rash and urticaria, and severe hypersensitivity events. Rare, serious risks, including Agranulocytosis or Aplastic Anemia, are historically associated with the pyrazolone analgesic component.

System-Organ Classes and Serious Adverse Reactions

The label-documented effects span several System-Organ Classes, including Cardiac Disorders, Psychiatric Disorders, Nervous System Disorders, and Respiratory Disorders. The official safety profile explicitly notes the potential for serious cardiovascular events, such as Hypertensive Crisis or Ventricular Arrhythmias, primarily linked to systemic absorption of the sympathomimetic agent, Ephedrine.

Safety Constraints and Exposure Patterns

Specific constraints are noted for use in populations such as Older Adults due to increased susceptibility to cardiovascular and central nervous system effects. The official documentation also highlights that the risk of Rebound Congestion (Rhinitis medicamentosa) and accumulated systemic effects are associated with prolonged or excessive use beyond the recommended duration.

Overdose and Emergency Response

Overdose Map: Overdose and when to seek help

This profile synthesizes the official regulatory statements regarding overdose for Clarisoft, a combination of Ephedrine and Phenazone, based on government-authorized prescribing information.


Overdose Scope

Element Official Regulatory Statement
Documented Overdose Presentations Symptoms include tachycardia, palpitations, reactive hypertension, bradycardia, ventricular ectopics, restlessness, confusion, dizziness, headache, nausea, and vomiting. Severe toxicity may involve hyperglycemia and methemoglobinemia with associated cyanosis
Physiological Systems Affected Cardiovascular system, Central Nervous System (CNS), Gastrointestinal system, and the Hematological system are documented as affected by overdose manifestations
Dose-related or Exposure-related Factors Overdose risk is associated with exposure in excess of the recommended dose
Population-specific Overdose Notes Individuals with pre-existing cardiovascular disease have an increased risk of complications. Impaired renal function may lead to prolonged pharmacological effect
Emergency-response statements Get medical help or contact a Poison Control Center right away
When immediate medical help is required Urgent attention is required for signs of severe outcomes, such as sudden severe headache, chest pain or pressure, or sudden weakness

Overdose Classifications (High-Level)

Classification Element Regulatory Description
Severity Classification Potential for Serious ventricular arrhythmias, paroxysmal hypertension, and risk of stroke are documented as severe, life-threatening outcomes
Regulatory Basis Based on documented toxicity and emergency requirements outlined in FDA Prescribing Information and EMA Summary of Product Characteristics for the active components
Overdose-context Constraints Symptomatic and supportive treatment is the standard approach, with specific interventions like Methylene blue cited for treating hematological toxicity

Resulting Overdose Structure

Official overdose statements:

  • Overdose may present with severe manifestations, including cardiac arrhythmias, changes in blood pressure, and central nervous system disturbances such as confusion and restlessness.
  • Immediate medical attention is mandated when signs of severe outcomes, such as serious ventricular arrhythmias or symptoms that could indicate stroke, are observed.
  • Hospital monitoring or observation is required due to the potential for serious or life-threatening complications, and symptomatic and supportive treatment is required.

Connection to the overall overdose profile:

Regulatory documents define the overdose profile by describing the expected clinical presentation, which results from the combined toxicity of the sympathomimetic and analgesic components. This profile dictates that urgent medical help is required when severe manifestations—including cardiac instability, hypertensive crisis, or signs of serious hematological events—are present, ensuring the prompt application of officially described supportive and specific procedural measures.

Therapeutic Uses of Clarisoft

What Clarisoft Treats: Main Uses and Benefits

This medication is commonly used across conditions presenting with acute episodes of nasal congestion and stuffiness, such as the common cold. Active agents like those in Clarisoft are applied to help ease symptoms related to physical discomfort in the nasal passages. It contributes to improved comfort by addressing the symptoms related to physical discomfort and assists with maintaining functional stability by supporting improved air passage.

The medication is relevant for easing symptoms linked to inflammatory or irritative states, including seasonal allergic rhinitis and acute rhinitis. It helps address symptom clusters that may become disruptive, particularly those involving sinus pressure, feelings of fullness, and localized nasal irritation.

“It provides supportive relief when symptoms interfere with routine activities.”

Clarisoft is relevant in clinical settings that involve acute or unstable symptom patterns, where short-term symptomatic assistance is needed to help patients cope more steadily with these disruptive episodes.


Quick Fact: Symptom Support Focus Clarisoft may assist with addressing the concurrent symptom patterns of physical discomfort and localized pressure, which are common manifestations of upper respiratory symptoms.

Eligibility and Restrictions for Use

Who Can and Cannot Use Clarisoft?

General Eligibility and Age Limits

Clarisoft is officially labeled for use in Adults and Adolescents aged 12 years and older. Use is contraindicated or not recommended in children under 12 years of age, as safety and effectiveness have not been established by regulatory authorities for this specific age group.

Absolute Contraindications

The medicine must not be used by individuals with specific pre-existing conditions, which define absolute non-eligibility. These include known hypersensitivity to Ephedrine, Phenazone, or related substances, as well as conditions where sympathomimetic agents pose a high risk, such as closed-angle glaucoma, severe uncontrolled hypertension, severe coronary artery disease, pheochromocytoma, and severe hyperthyroidism (thyrotoxicosis). Use is also strictly prohibited for patients taking or having recently taken Monoamine Oxidase Inhibitors (MAOIs).

Conditional and Restricted Use

Special caution is required for use in Older Adults (geriatric population) due to a higher risk of adverse cardiovascular effects. Restricted use applies to patients with conditions like diabetes mellitus, prostatic hypertrophy (BPH), and severe renal or hepatic impairment, where use is not recommended due to potential altered metabolism or excretion.

Pregnancy and Lactation

Use during pregnancy and breastfeeding is not recommended or contraindicated. The regulatory status reflects the components being excreted in human milk and insufficient data to rule out potential risks to the fetus or infant.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The official interaction profile for Clarisoft is defined by the pharmacodynamic effects of the Ephedrine component, as documented in government regulatory sources. These interactions are categorized by their effect on sympathetic activity, encompassing contraindicated combinations and significant functional outcomes.

Co-administration with Monoamine Oxidase Inhibitors (MAOIs) is a formal, high-severity restriction, classified as contraindicated due to the potential for an augmented pressor response. Regulatory standards establish a mandatory timing separation rule, prohibiting use within 14 days of discontinuing an MAOI.

The U.S. Food and Drug Administration (FDA) has also issued formal restrictions on co-use with dietary supplements containing Ephedrine alkaloids, due to the documented unreasonable risk of serious adverse cardiac and central nervous system effects.

Officially documented interactions with other medicinal products include:

Interacting Substance/Class Official Interaction Outcome
Oxytocic Drugs (e.g., Methylergonovine) Augments pressor effect; risk of serious postpartum hypertension in a specific population.
Guanethidine Functional loss of antihypertensive effectiveness due to inhibition of neuron blockage.
Cardiac Glycosides (e.g., Digitalis) Increases the documented possibility of arrhythmias due to additive effects.
Theophylline Additive stimulant effect, increasing documented frequency of nausea, nervousness, and insomnia.
Antagonists (e.g., alpha/beta-blockers) Formally documented to antagonize or reduce the Ephedrine pressor effect.

This structure reflects the mandated regulatory classification of interactions based on documented clinical and functional consequences.

Mechanism of Action

Modulating Nasal Vascular Tone via alpha1-Adrenergic Activation

The decongestant component acts as an agonist on post-synaptic alpha1-adrenergic receptors (alpha1-ARs) located on vascular smooth muscle, thereby influencing the local sympathetic nervous system pathway affecting vascular tone. This activation triggers a cascade of vasoconstriction, which is the core mechanism that leads to the physiological change of volume reduction in the mucosal lining.

Interference with Prostaglandin Synthesis for Nociceptive Modulation

The analgesic component exerts its action by enzymatic inhibition of Cyclooxygenase (COX) enzymes, which halts the local synthesis of prostaglandins ( PGE2). Since prostaglandins function to sensitize sensory nerve endings (nociceptors), this mechanism achieves local anti-nociception and modifies the threshold of sensory nerve activation.

Dual-Mechanism Functional Complementarity

The drug's profile relies on a dual-mechanism architecture where one mechanism modulates vascular volume and the other modulates nociceptive signaling. This complementary action involves the modulation of two independent biological pathways influencing nasal physiology.

Dosage and Administration Information

Clarisoft is authorized for topical intranasal administration as a solution, with its use governed by defined application limits on frequency and duration. The medicine is designed for self-administration, but only under the precise conditions outlined for its use.

Adult and Adolescent Use

The standard regimen for adults and adolescents involves applying 2 to 3 drops per nostril. Dosing frequency is strictly limited to up to four applications within a 24-hour period, with a mandatory minimum interval of 4 to 6 hours required between each administration. The treatment is designated for short-term use only, with a strictly enforced maximum course of seven consecutive days.

Age-Specific Rules

Specific dosing adjustments are defined for the pediatric population. For children aged 6 to 12 years, the dose is reduced to 1 drop per nostril, and the maximum daily frequency is limited to three times. Clarisoft is not recommended or prohibited for use in children under the age of six years.

Procedural Instructions

The solution should be administered while the user is in a seated or reclined position. If a scheduled application is missed, instructions direct the user to omit the missed dose and resume the normal schedule; subsequent doses must never be doubled. To maintain sterility, the dropper tip must not contact the nostril or any other surface during application, and the product is designated for single-patient use.

Recent Clinical Evidence

Clarisoft: Recent Clinical Evidence


Evidence for Symptomatic Relief in Acute Nasal Congestion

The research base for Clarisoft was studied for its application in the context of episodic symptom patterns such as congestion. This research primarily relies on small-scale Randomized Controlled Trials (RCTs) and objective physiological studies focusing on the Ephedrine component, which was studied for its decongestant properties. Researchers monitored objective changes in airflow, such as Nasal Airway Resistance (NAR), alongside patient-reported outcomes describing perceived discomfort. Findings described patterns observed in the studies related to a rapid change in physiological metrics over brief time intervals.


Research Base for Symptoms Associated with Allergic Rhinitis

For symptoms associated with allergic rhinitis, research was studied for its application in the context of episodic symptom patterns over intervals spanning a few weeks. These trials evaluated patient symptom scores, like the Total Nasal Symptom Score (TNSS), which are outcomes reflecting daily functioning. The available data show patterns related to symptom evolution, but the evidence quality varies across studies for this application. For this reason, certainty remains low regarding the longer-term symptomatic control.


Evidence Gaps and Limitations

A key limitation is the lack of dedicated research that fully establishes the specific contribution of the Phenazone component to patient-reported outcomes describing perceived discomfort within the fixed-dose formulation. Furthermore, the available evidence primarily focuses on short-term changes, meaning that long-term effects remain largely unestablished. Research does not determine whether an individual will respond similarly to the patterns observed in the studies.

Frequently Asked Questions (FAQ)

Common questions about Clarisoft (FAQ)

Q: What are the most common side effects I might get from Clarisoft?

According to official product information, common side effects are generally local effects that occur at the application site. These may include local nasal irritation, a temporary burning sensation, and dryness of the nasal lining.

Q: How should I dispose of Clarisoft when I’m done with the bottle?

Proper disposal is important to protect the environment and prevent accidental exposure. If your community offers a drug take-back program, that is the preferred method for disposal. If a take-back program is unavailable, official guidelines describe mixing the medicine with an undesirable substance, such as coffee grounds or cat litter, sealing it in a container, and then placing it in your regular trash.

Q: Is Clarisoft safe to use while I am pregnant or breastfeeding?

Official regulatory documents indicate that the use of Clarisoft is not recommended or is contraindicated during both pregnancy and breastfeeding. This is because the components of the medicine are known to be excreted in human milk, and insufficient data exists to rule out potential risks to the fetus or infant.

Q: What conditions make it unsafe for me to use Clarisoft?

Regulatory information lists several absolute contraindications, meaning the medicine must not be used by individuals with certain pre-existing conditions. These include known hypersensitivity to the ingredients, severe uncontrolled hypertension (high blood pressure), severe coronary artery disease, closed-angle glaucoma, and recent use of Monoamine Oxidase Inhibitors (MAOIs).

Q: What should I do if my bottle of Clarisoft freezes?

Storage instructions explicitly state that Clarisoft must not be frozen. If the solution is accidentally frozen, official product guidance indicates that the entire bottle should be discarded. Freezing can compromise the stability and quality of the solution, meaning its effectiveness and safety cannot be guaranteed.

Q: Does Clarisoft cause drowsiness or make me sleepy?

Official safety documents do not commonly list drowsiness or somnolence as a reported side effect. However, the sympathomimetic component of Clarisoft is known to affect the nervous system and may instead cause stimulant effects, such as restlessness, nervousness, anxiety, or insomnia (difficulty sleeping).

How should Clarisoft be stored and disposed of?

How to Store and Dispose of Clarisoft

Official regulatory guidelines define specific conditions for storing and disposing of Clarisoft (Ephedrine/Phenazone nasal solution) to maintain its labeled stability.


Storage Requirements

Clarisoft must be stored at a controlled temperature, not exceeding 25°C, and the solution must not be frozen. The product should be kept in its original outer carton and the container must remain tightly closed to provide protection from light and contamination. A specific in-use shelf life must be observed after the first time the bottle is opened. Consistent with all labeling, the medicine must be stored out of the sight and reach of children.

Disposal Instructions

Any unused or expired Clarisoft must be disposed of in accordance with local regulations. It is strictly required that the solution not be discarded via wastewater or regular household trash.

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

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