Solucis

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Solucis

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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 Solucis

Quick Facts

Property Description
Active Ingredient Carbocysteine
Form Oral solution, syrup, capsule, or tablet
Pharmacological Class Mucolytic agent, Muco-regulating drug
General Purpose Facilitates the clearance of respiratory mucus
Origin Synthetic (derived from L-cysteine)

What Type of Medicine is Solucis? (Identity and Classification)

Solucis is a medicinal product defined by its active ingredient, Carbocysteine, which is chemically known as S-Carboxymethyl-L-Cysteine. It is officially classified as a mucolytic agent and a muco-regulating drug. This classification reflects its utility in addressing conditions involving abnormal respiratory secretions. Carbocysteine is recognized for its ability to correct the aberrant production of mucus.


Solucis Composition, Form, and Origin

The composition of Solucis is centered on the single active substance, Carbocysteine, which is of synthetic origin, having been chemically derived from the naturally occurring amino acid, L-cysteine. Solucis is typically a single-ingredient product designed for oral route of administration in high-level dosage forms, including oral solution, syrup, capsule, and tablet formulations. The availability of syrup and oral solution forms is a distinguishing factor, allowing for flexible administration and often catering to pediatric patients or individuals who have difficulty swallowing solids. This versatility is crucial for treating common, transient symptoms like excessive, thick sputum build-up following a cold.


What is the General Purpose of Solucis?

The general therapeutic purpose of Solucis is to facilitate the clearance of respiratory mucus and support easier breathing. It works by exercising a direct secretolytic action that modifies the viscosity and adhesiveness of the secretions. By disrupting the structural integrity of the mucus glycoproteins, Carbocysteine reduces the sticky, thick quality of the sputum, which aids the body in expelling the mucus through mucociliary clearance. This unique muco-regulating action, which helps normalize mucus properties, is a key differentiating feature from general cough suppressants.

Regulatory References

  1. WHO Model Lists of Essential Medicines
  2. WHO Essential Medicines List

What side effects are possible with Solucis?

Possible Side Effects and Safety Information

The safety profile for Solucis (Carbocysteine) is formally categorized in official regulatory documentation based on the system-organ class affected and the frequency of occurrence.

Frequency-Classified Adverse Reactions

The most frequently reported effects generally involve the Gastrointestinal System.

Classification Examples of Reactions
Common Nausea, Diarrhoea, Dyspepsia, Vomiting.
Rare Gastrointestinal haemorrhage, Rash, Pruritus, Urticaria, Headache, Dizziness.
Very Rare Fixed erythema, Bronchospasm.

System-Organ Classes and Serious Safety Concerns

Adverse reactions are grouped into key organ systems, with the most commonly affected being Gastrointestinal disorders and Skin and subcutaneous tissue disorders.

The official label also documents rare but clinically significant Serious Adverse Reactions. These include the risks of Gastrointestinal Bleeding (haemorrhage) and severe, sometimes life-threatening, skin reactions known as Severe Cutaneous Adverse Reactions (SCARs), such as Stevens–Johnson syndrome and Erythema multiforme, as well as Anaphylactic reactions.

Regulatory Safety Restrictions

Official documents define specific safety constraints. Solucis is contraindicated in individuals with known hypersensitivity to the active substance or any excipient, and in patients with active peptic ulceration (gastroduodenal ulcers). Caution is also advised for those with a history of gastroduodenal ulcers.

Specific Population Safety Considerations are noted. Caution is recommended in the elderly. Use is generally not recommended during pregnancy and breastfeeding due to a lack of sufficient human safety data in these groups.

Overdose and Emergency Response

Overdose and When to Seek Help

The information regarding Solucis (Carbocysteine) overdose is based strictly on descriptions and procedures documented in official government regulatory labeling. This section describes the known manifestations of overdosage and the mandatory emergency response as defined by national health authorities.

Documented Overdose Manifestations

Official prescribing information states that the most likely clinical manifestation of an overdose is gastrointestinal disturbance.

Manifestation Type Description as per Labeling
Primary Symptoms Nausea, abdominal pain, and diarrhea.
Severe Outcomes No specific life-threatening cardiovascular or neurological outcomes are consistently documented in the overdose sections of regulatory labels.

Required Emergency Actions

If an overdose is suspected or symptoms consistent with overdosage occur, immediate medical attention must be sought.

  • Treatment: Management is focused on symptomatic and supportive treatment to address the presenting clinical signs.
  • Procedure: Interventions such as gastric lavage may be considered, if clinically appropriate.
  • Monitoring: Following any therapeutic intervention, the patient is required to undergo a period of clinical observation under medical supervision.
  • Antidote: Official labeling confirms that no specific antidote for Carbocysteine is documented.

This profile defines the necessary response as requiring professional assessment and adherence to regulator-mandated supportive procedures.

Therapeutic Uses of Solucis

What Solucis Treats: Main Uses and Benefits

Solucis is commonly used for managing respiratory tract disorders characterized by the presence of excessive, viscous mucus (phlegm). The use of Carbocysteine is applied within domains where additional symptomatic support is needed for conditions involving abnormal respiratory secretions. It helps address symptom clusters that create noticeable physiological strain, specifically managing symptom clusters like difficult productive cough and chest congestion associated with tenacious secretions.

Primary therapeutic applications include supportive therapy for chronic lung issues such as Chronic Obstructive Pulmonary Disease (COPD) and Chronic Bronchitis, acute conditions like Acute Bronchitis, and issues related to Upper Airway Mucus Retention (e.g., in Chronic Sinusitis). The medication supports the patient during difficult episodes by easing distress and may assist with coping when chronic symptoms intensify temporarily. This provides support that helps ease the overall symptom burden by contributing to improved comfort during symptomatic periods.


Quick Fact: Relief for Viscous Secretions The medication is considered relevant when short-term symptomatic assistance is needed to manage symptoms related to thick, sticky secretions, thereby assisting with easier expectoration. This supports the patient during episodes of heightened discomfort.

Eligibility and Restrictions for Use

Who Can and Cannot Use Solucis? — Official Regulatory Information

Eligibility for Solucis (solifenacin succinate) is determined by specific regulatory criteria relating to age, pre-existing health conditions, and organ function. The medication is indicated for use in adults.

Contraindications (Who Must Not Use Solucis)

Solucis is contraindicated and must not be used in patients with the following conditions, as stated in regulatory labels:

  • Hypersensitivity (allergy) to solifenacin succinate or any component of the formulation.
  • Urinary Retention or clinically significant bladder outflow obstruction.
  • Gastric Retention or severe gastrointestinal conditions (including toxic megacolon).
  • Uncontrolled Narrow-Angle Glaucoma.

Restricted Use and Not Recommended Populations

Use is limited in certain special populations, often due to decreased clearance of the drug:

Population Eligibility Status Restriction/Limitation
Severe Renal Impairment (CLcr < 30 mL/min) Use is restricted Dose must not exceed 5 mg once daily.
Moderate Hepatic Impairment (Child-Pugh B) Use is restricted Dose must not exceed 5 mg once daily.
Severe Hepatic Impairment (Child-Pugh C) Not recommended Contraindicated in combination with potent CYP3A4 inhibitors.
Pediatric Population (Under 18) Not established Safety and effectiveness have not been established.

Additionally, the maximum daily dose is restricted to 5 mg when Solucis is used concomitantly with a potent CYP3A4 inhibitor (e.g., ketoconazole). Use during pregnancy or lactation is generally not recommended, and caution is required, with a preference to discontinue nursing or the drug.

What should I know about interactions with other medicines?

Solucis Interactions with other medicines and products

Official regulatory documents organize drug interaction information based on the consequences of co-administration. This structure identifies potential risks related to changes in the drug’s exposure in the body or additive effects with other treatments.

Interaction Classification Official Regulatory Note
Exposure Modification Regulatory assessments establish if other medicinal products significantly increase or decrease the concentration of Solucis, which can affect its overall profile.
Pharmacodynamic Effects This covers interactions where co-administration with other treatments results in additive effects on the body, which requires careful review by a healthcare professional.
Timing-Based Rules Specific instructions may be established for separating the intake of Solucis from certain other medicines or products to ensure proper absorption and effectiveness.
Non-Drug Product Interaction Official labeling assesses the effect of food, alcohol, or documented herbal products on the drug's absorption or action.

All officially documented interactions are categorized by the regulatory agency (such as the FDA, EMA, or other national health authorities) to ensure healthcare practitioners have clear information for safe use. These statements reflect constraints on the use of Solucis in combination with certain other agents or product classes, defining conditions under which the combined use is monitored, restricted, or prohibited. The final regulatory profile formalizes these interactions into actionable statements, ensuring adherence to established safety standards and preventing unintended changes to the drug's concentration or effects.

Mechanism of Action

The mechanism of Carbocysteine is defined by two complementary actions: a direct chemical effect and a cellular regulatory effect, both operating peripherally within the respiratory tract. The direct action involves chemically reducing the disulfide bonds ( S-S) that cross-link large mucin glycoproteins, leading to the rapid depolymerization and fluidification of secretions. Concurrently, the muco-regulating effect stabilizes key enzymes like sialyltransferase, resulting in a normalization of glycoprotein composition and reduced viscosity of newly synthesized mucus. By directly breaking the molecular structure of mucin, Carbocysteine immediately lowers its viscosity and adhesiveness. This physiological change in rheological properties is functionally linked to enhanced processing by the mucociliary transport system. This action is also supported by the drug's role as an antioxidant, which assists in maintaining the functional integrity of endogenous airway proteins, such as alpha1-antitrypsin, against oxidative degradation. The functional applicability of this mechanism is inherently constrained when the ciliated epithelium is irreversibly damaged or congenitally dysfunctional, as the cascade of mucociliary clearance is physiologically overridden by the absence of mechanical ciliary action.

Dosage and Administration Information

How Soliris (Eculizumab) is Administered

Soliris (Eculizumab) is a prescription medicine that must be administered only by a healthcare professional in a controlled setting. The proper use of Soliris is defined by a strict, multi-phase dosing schedule, and the drug is given solely through an intravenous (IV) infusion into a vein.


Official Administration and Dosing Schedule

Treatment with Soliris follows a two-part regimen. The medicine requires specific preparation steps prior to administration, including dilution with a compatible solution (e.g., 0.9% Sodium Chloride) to a final concentration of 5 mg/mL, and must not be shaken.

Phase Adult Dosing (PNH) Adult Dosing (aHUS/gMG/NMOSD) Frequency
Induction 600 mg 900 mg Weekly (Weeks 1-4, plus a fifth dose at Week 5)
Maintenance 900 mg 1200 mg Bi-weekly (Every 14 +/- 2 days thereafter)

Procedural Rules and Special Circumstances

The infusion must be administered slowly over a minimum of 35 minutes (in adults) and must not be given as an IV push or bolus injection.

  • Pediatric Use: For patients under 18 years, the dose is determined based on the child's body weight.
  • Plasma Therapy: If a patient undergoes plasma exchange, plasmapheresis (PE/PI), or fresh frozen plasma (FFP) infusion, a supplemental dose of Soliris may be required immediately after the procedure to maintain therapeutic levels.

Recent Clinical Evidence

Research evidence / Overview of studies for Solucis (Carbocysteine)


Evidence for Long-Term Management in Chronic Conditions

Research examining the long-term use of Solucis has centered on chronic conditions, primarily Chronic Obstructive Pulmonary Disease (COPD) and Chronic Bronchitis, which are conditions characterized by fluctuating or episodic manifestations. Studies were designed as Randomized Controlled Trials (RCTs) that often lasted from six months up to a year, and the results from these individual trials were then pooled and analyzed in comprehensive Systematic Reviews and Meta-Analyses.

These long-term studies primarily monitored outcomes describing episodic or acute changes. The key focus was the annual rate of acute exacerbations, which are periods of heightened symptom activity. Studies also explored whether there were changes in patient-reported outcomes describing perceived discomfort, specifically measurements of health-related quality of life. The findings describe patterns observed in the studies, including reported differences in exacerbation frequency and patient-reported quality of life measures when comparing the study group to the comparison group.

However, the existing research highlights what is known — and what is still uncertain. The evidence quality varies across studies, particularly for older trials, which introduces heterogeneity when comparing results. Findings were mixed regarding other outcomes. The evidence also notes that some outcomes, such as objective measurements of lung function, were not the primary focus or were reported without a clear pattern. The results apply only to the populations studied, meaning findings can vary across different severity levels of chronic conditions.


Evidence for Short-Term Symptomatic Support in Acute Conditions

Solucis was studied for its application during acute respiratory episodes, such as Acute Bronchitis, where patients experience conditions involving periods of heightened symptoms and excessive, thick secretions. These were mainly short-term RCTs or studies conducted during periods of increased symptom activity, and the follow-up durations were limited to the acute phase, often up to 14 days.

Studies focused on measuring outcomes related to physical discomfort and the body’s ability to clear mucus. Research examined the subjective characteristics of the mucus, such as its viscosity and the ease of expectoration, as well as the duration and intensity of a difficult productive cough. Research highlights changes measured during the study period in these short-term symptom patterns. The findings help contextualize how patients reported their experience of chest congestion and sputum clearance during these acute episodes.


Evidence in Pediatric Populations (ge 2 Years of Age)

Solucis was evaluated in pediatric populations, specifically children over the age of two, usually in the context of acute respiratory tract infections associated with thick secretions. The evidence available for this group is often derived from smaller-scale comparative trials and subsequent systematic reviews, meaning sample sizes were modest compared to adult trials.

Research examined clinical outcomes related to the child’s cough and sputum clearance, such as monitoring the patterns of cough frequency and visible changes in expectoration status. The studies report how symptoms evolved in the observed populations during the short treatment period. However, data for certain groups remain insufficient, and the evidence quality varies across studies for these pediatric conditions.


Evidence Quality, Limitations, and Research Gaps

Overall, the research for Solucis contains evidence derived from diverse settings with varying symptom burdens. The evidence for the long-term chronic condition indications generally has a higher certainty rating due to the availability of large meta-analyses synthesizing multiple RCTs. Conversely, the evidence supporting short-term symptom changes and use in pediatric populations is generally described as limited and heterogeneous. Key research limitations frames include the fact that the sample sizes were modest in many acute and pediatric trials.

Key Studies & References

  1. WHO Model List of Essential Medicines (identifies pharmacological class and utility)

Frequently Asked Questions (FAQ)

Common questions about Solucis (FAQ)

Q: Is Solucis the same kind of medicine as [similar drug name]?

A: Solucis is officially classified as a mucolytic agent and a muco-regulating drug. This primary classification indicates its mechanism is to help change the properties of respiratory mucus. This classification helps define the general therapeutic group the medicine belongs to.

Q: Are there any long-term health risks associated with Solucis use?

A: Official research has examined the use of Solucis for up to one year in chronic conditions. These studies primarily monitored outcomes like changes in the rate of symptom flare-ups and patient-reported quality of life. The documents note that in studies up to one year, reports of adverse effects included occasional mild gastrointestinal manifestations.

Q: Does Solucis interact with common pain relievers like ibuprofen?

A: Official safety information recommends caution when Solucis is taken alongside Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), which includes common pain relievers like ibuprofen. This caution is related to the known potential for both drug classes to increase the risk of gastrointestinal effects.

Q: Do natural supplements or vitamins affect how Solucis works?

A: According to official safety notes, there is currently insufficient information available from regulatory sources to confirm whether complementary medicines, natural supplements, or herbal remedies affect Solucis. Patients should discuss all products they use with a healthcare professional.

Q: Is Solucis a narcotic or controlled substance?

A: Solucis is regulated as a mucolytic agent used to address symptoms of cough and cold. Official regulatory documents classify it as an Over-The-Counter (OTC) medicine in several regions globally. This regulatory status is consistent with the drug not typically being classified as a narcotic or controlled substance in those regions.

Q: Can I use Solucis if I have a history of kidney problems?

A: Official regulatory reviews note that caution should be considered for individuals with a history of chronic kidney disease. This is because the medicine is primarily eliminated from the body by being excreted through the kidneys.

Q: Is Solucis suitable for people over the age of 65?

A: Official regulatory documents for Solucis specifically recommend caution when the medicine is used in the elderly population. This note serves to ensure that healthcare professionals consider factors relevant to use in older adults.

Q: Will taking Solucis affect my ability to drive or operate machinery?

A: Official product information states that Solucis has no or negligible influence on a person’s ability to drive or to safely operate heavy machinery. This suggests that known side effects are not expected to impair these activities.

Q: Are there different brand names for the same medicine as Solucis?

A: The active ingredient in Solucis, Carbocysteine, is available under multiple brand names worldwide. The names used in public regulatory summaries include examples such as Mucodyne and Rhinathiol.

Q: Can women who are planning pregnancy use Solucis?

A: Official documents state that Solucis is generally not recommended for use during pregnancy or breastfeeding. This recommendation is based on a lack of sufficient human safety data regarding use during pregnancy and breastfeeding.

Q: Does Solucis have a 'black box' warning from the FDA?

A: Solucis (Carbocysteine) is not currently approved for use by the U.S. FDA or Health Canada. Therefore, it does not carry an FDA 'black box' warning.

Q: How is Solucis removed from the body?

A: Regulatory safety reviews provide general information about how the body handles the medicine. Official notes indicate that Solucis is primarily eliminated from the body by being excreted through the kidneys.

Q: Can Solucis be used to treat symptoms in children?

A: Solucis has been evaluated in pediatric studies for acute respiratory symptoms. However, due to safety concerns, some regulatory authorities have reviewed its use and withdrawn licenses for the drug in certain countries.

Q: Why is this medication only available by prescription?

A: The official regulatory status for Solucis (Carbocysteine) varies by country. The medicine is classified as Over-The-Counter (OTC) in some regions while requiring a prescription in others.

Q: Does Solucis need to be refrigerated or stored in a specific way?

A: While specific storage requirements vary depending on the formulation (syrup, tablet, capsule), general pharmaceutical guidance suggests storing the medicine away from excessive heat and moisture, typically below 30ºC and protected from light.

Q: Is Solucis a cure or just a treatment for the condition?

A: Official research and product information describe Solucis as a treatment. Its purpose is to help improve the clearance of respiratory mucus and to reduce the frequency and severity of exacerbations in chronic respiratory conditions.

Q: What are the eligibility requirements for starting Solucis?

A: Official regulatory documents define the main eligibility boundaries by listing contraindications, which are conditions where the drug must not be used. Solucis is generally contraindicated in individuals with a known hypersensitivity or an active peptic ulceration (gastroduodenal ulcer).

Q: Does Solucis make other medications I take stronger or weaker?

A: Regulatory safety notes advise against combining Solucis with certain drug types. Specifically, it should not be taken with cough suppressants (antitussives) or other medicines that may work to dry up bronchial secretions.

How should Solucis be stored and disposed of?

The following storage and disposal information is based on official government regulatory documents for Soliris (eculizumab).

Official Storage and Handling Requirements

Condition Requirement
Prior to Dilution Store refrigerated at 2°C to 8°C (36°F to 46°F). Do not freeze or shake the vial.
After Dilution The prepared solution is stable for up to 24 hours when stored refrigerated. It must be infused within 35 minutes after the 24-hour period.
Preparation Use specific authorized diluents to achieve a 5 mg/mL concentration. Allow the solution to adjust to room temperature before administration.

Disposal Instructions

Discard any unused portion left in the vial as the product is preservative-free. Unused or expired medication should ideally be disposed of through an authorized drug take-back program. If a take-back program is unavailable, secure the medication for household trash disposal by mixing it with an undesirable substance (like coffee grounds) in a sealed container.

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

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