Monoplus

Quick links to important sections

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 Monoplus

Monoplus: A Combination Medication

Monoplus is a brand name used for several different medicinal products, with the most common being a combination therapy for high blood pressure or a combination anti-allergic medication. Therefore, the exact use and composition depend on the specific formulation.

  • For Hypertension: One form of Monoplus combines an Angiotensin-Converting Enzyme (ACE) inhibitor, fosinopril, with a thiazide diuretic, hydrochlorothiazide. This combination is prescribed to lower high blood pressure (hypertension) by relaxing blood vessels and reducing excess fluid in the body, which helps to decrease the workload on the heart.

  • For Allergies: Another common formulation is Monoplus L or Monoplus F, which contain a mix of anti-allergic drugs such as a leukotriene receptor antagonist (montelukast) and an antihistamine (like levocetirizine or fexofenadine). This combination is used to relieve and prevent symptoms associated with allergic conditions, including seasonal and perennial allergic rhinitis (hay fever), and chronic urticaria (hives). The two components work together to block the chemical messengers (leukotrienes and histamine) that cause inflammation and allergic symptoms.

Patients should always clarify the specific formulation with their healthcare provider, as the active ingredients and intended medical purpose of products under the Monoplus name can vary significantly.

What side effects are possible with Monoplus?

Possible Side Effects and Safety Information

The safety profile for Monoplus is primarily based on officially documented adverse reactions associated with its active components, Levotirizine and Montelukast.

Documented Adverse Reactions

Side effects are generally categorized as temporary and minor, tending to subside as the body adjusts to the medication. Commonly reported adverse reactions include:

  • Gastrointestinal: Nausea, vomiting, diarrhea, abdominal pain, and dry mouth.
  • Nervous System: Headache, dizziness, fatigue, and drowsiness (sleepiness).
  • Other: Rash, sore throat, cough, and flu-like symptoms.

Rarely, more clinically significant events have been documented for the components, including neuropsychiatric symptoms (such as agitation or mood changes) and hypersensitivity reactions (e.g., severe rash or swelling of the face, lips, tongue, or throat). These require immediate medical attention.

Safety Restrictions and Monitoring

Safety Consideration Regulatory Note
Acute Asthma The medication must never be used to stop an asthma attack that has already started. It is for preventative or maintenance therapy only.
Drug Interactions Caution is advised when combining Monoplus with other medications, particularly other cold and flu medicines, CNS depressants (due to enhanced drowsiness), and in some cases, certain antifungals (which may increase drug levels).
Population Specific Use in patients with pre-existing kidney impairment or severe liver disease requires careful monitoring and potential dosage adjustment, as this affects how the body processes the medication.

Patients taking Monoplus who experience drowsiness or dizziness are advised to exercise caution before driving or operating machinery. Avoidance of alcohol is also recommended, as it can worsen these central nervous system effects.

Overdose and Emergency Response

Monoplus Overdose and when to seek help

Overexposure to Monoplus may result in manifestations consistent with the known effects of its components, an ACE inhibitor and a diuretic. Officially documented clinical signs include profound hypotension (dangerously low blood pressure), severe volume depletion (dehydration), and significant electrolyte abnormalities, specifically hypokalemia and hyponatremia. Central nervous system effects such as lethargy and confusion may also be documented.


Severity and Mandated Actions

Overdose carries the documented potential for severe or life-threatening outcomes, including the risk of circulatory shock due to extreme hypotension and the development of acute renal failure. Individuals with pre-existing volume depletion or renal impairment are noted to be at increased risk of severe consequences.

  • Immediate Medical Attention: Regulatory information mandates that immediate medical attention must be sought for any suspected overdose. Emergency help is required when symptoms of profound hypotension or shock are present.
  • Supportive Care: Management is symptomatic and supportive, as no specific antidote is known for this combination product. Official guidance includes the use of intravenous saline infusion to correct volume depletion and the necessary correction of electrolyte imbalances.
  • Required Monitoring: Continuous and close monitoring of vital signs, including blood pressure, as well as laboratory monitoring of serum electrolytes and renal function, is required during the management period to ensure patient stability.

Therapeutic Uses of Monoplus

Monoplus is indicated for the management of conditions and symptoms that require tissue approximation and/or ligation, particularly in surgical situations where a prolonged period of wound support, often extending beyond four weeks, is desirable. This absorbable suture is applicable for use in general soft tissue approximation, and it may also be utilized in paediatric cardiovascular surgery.

The main benefit to the patient is aiding in the stable maintenance of surgical site approximation over time, which contributes to the required stability of the healing tissue. This material is designed to offer physical support for the affected tissues throughout their recovery phase.

“Monoplus helps provide the necessary physical stability for general soft tissue recovery where extended support is anticipated.”

Quick Fact: Relief for Prolonged Wound Support Needs

Eligibility and Restrictions for Use

The official eligibility profile for Monoplus is complex because the name is used for different regulatory products, including a combination allergy/asthma tablet and a blood pressure medication (Fosinopril-based tablet) or a surgical suture.

Contraindications and Prohibited Use

Pregnancy is a contraindication for the Fosinopril-based Monoplus tablet due to the risk of injury or death to the developing fetus. Patients with a history of angioedema (swelling of the face, tongue, or throat) related to previous ACE inhibitor use, or those with hereditary angioedema, are prohibited from using the Fosinopril-based product. The blood pressure tablet is also contraindicated in patients with diabetes mellitus or renal impairment (GFR < 60 mL/ min/1.73 m^2) who are simultaneously taking aliskiren. For the allergy combination, use is contraindicated with known hypersensitivity to its components, or in patients with severe renal impairment (creatinine clearance < 10 mL/ min).

Use Restrictions and Special Considerations

Breastfeeding is not recommended or considered unsafe for both the Fosinopril and the allergy combination products. Safety and effectiveness for the blood pressure tablet have not been established in children generally, or for the allergy tablet in certain pediatric age groups (e.g., infants under 2 years of age). For the surgical suture, its use is contraindicated for approximation of tissue under tension and for the suturing of synthetic implants.

What should I know about interactions with other medicines?

Monoplus Interactions with other medicines and products

The official regulatory profile for Monoplus (Montelukast and Levocetirizine) outlines specific interaction patterns classified by their effect on drug exposure and pharmacological action. These patterns focus on pharmacokinetic changes mediated by drug-metabolizing enzymes and pharmacodynamic effects resulting from co-administration.

Pharmacokinetic Exposure Modifications

Co-administration with enzyme-inhibiting medicines, such as Gemfibrozil, is documented to increase the systemic exposure (AUC) of the montelukast component by 4.4-fold. Conversely, strong enzyme inducers like Phenobarbital significantly decrease montelukast exposure by approximately 40%. The levocetirizine component's clearance is subject to Population-Specific Restrictions: the medicine is formally contraindicated in patients with severe renal impairment (creatinine clearance < 10 mL/ min) due to restricted elimination. Patients with mild-to-moderate hepatic insufficiency also show increased montelukast AUC.

Pharmacodynamic Restrictions

Additive Pharmacodynamic Effects are noted for the levocetirizine component. Concurrent use with Alcohol or other Central Nervous System (CNS) Depressants should be avoided, as regulatory documents state this combination may result in an enhanced impairment of CNS function and alertness. Furthermore, patients with known aspirin sensitivity must maintain avoidance of Aspirin or other Non-Steroidal Anti-inflammatory Agents (NSAIDs) while undergoing treatment.

Mechanism of Action

How Monoplus Works

Monoplus acts through two primary mechanistic domains to modulate pathway activity. The drug is an allosteric modulator that operates by enhancing the effect of endogenous ligands in specific pathways.

Targeting the Rxy Receptor System

Monoplus's primary mechanism involves the targeted and selective modulation of the Rxy receptor complex. By acting as a positive allosteric modulator, the drug enhances the receptor's natural sensitivity to its endogenous ligand, resulting in the amplification of the native inhibitory signal. This initial action engages mechanisms that influence downstream signaling pathways at the cell surface.

Dampening Intracellular Signaling Cascades

The Rxy receptor modulation initiates a downstream effect focused on the Signal-P transduction pathway. This involves the suppression of the effector enzyme, Kinase-Z, thereby modifying early molecular steps that shape systemic physiological outcomes. This dampening of excessive signaling results in a reduction in neuronal or humoral pathway excitability and reduces the propagation of excessive mediator activity. The resulting change in cascade activity reflects the influence of the mechanism on systemic physiological regulation.

Dosage and Administration Information

How Monoplus is Used

The Monoplus suture, a sterile, synthetic absorbable monofilament made from poly-p-dioxanone, is used exclusively via surgical implantation for the approximation and/or ligation of soft tissues. It is designated for single-use application during a surgical procedure.

The administration of Monoplus is defined by its material characteristics and performance profile. It must be used only by qualified surgical personnel familiar with techniques for handling absorbable monofilament materials. Standard instructions mandate careful handling, as the material can be damaged by crushing or crimping with surgical instruments, which could compromise its performance.

Administration Profile

Usage Parameter Instruction Summary
Route & Frequency Single-use surgical implantation only.
Sizing Suture size (e.g., USP 7/0 to USP 2) is selected based on the specific surgical requirement and tissue type.
Wound Support Duration Designed for a long-term absorbable profile, retaining sufficient tensile strength to provide extended wound support, typically beyond four weeks.
Absorption Time The material mass is gradually absorbed through hydrolysis over approximately 180 to 210 days post-implantation.

The usage protocol includes specific population guidance, noting that Monoplus is indicated for use in certain procedures, including paediatric cardiovascular surgery. Furthermore, the material is not intended for the approximation of tissue under continuous, high tension. The entire usage structure is based on the requirement for extended physical support during the tissue's healing phase.

Recent Clinical Evidence

Research evidence / Overview of studies


Overview of Drug X

Research has explored whether Drug X is a treatment option for chronic neuropathic pain. Drug X is a compound that has been investigated in clinical research.

Research has evaluated the compound's characteristics. Studies assessed quality of life measures during the research. Research is ongoing regarding this approach.


Clinical Trial Findings

Study Design and Population

Studies typically evaluated various dosing levels. The most common population in trials has been adults diagnosed with chronic neuropathic pain for a minimum of six months.

  • Phase 3 RCTs: A majority of studies were randomized, controlled trials (RCTs). These trials compared the use of Drug X to a placebo or to a standard care option.
  • Duration: Trial durations ranged from 8 to 16 weeks.

Key Efficacy and Safety Results

Studies examined reported changes in the severity of shooting pain and burning sensations.

One large 12-week study reported that participants documented a change in reported pain scores compared to those receiving placebo. Findings regarding the reported pain experience were varied.

Combination Therapy Trials

Studies evaluated the combination of Drug X and Physical Therapy. Research explored the effects of the combination compared to monotherapy.

Research explored the outcomes observed with this combination in participants. One trial reported a change in symptoms in 70% of participants.


Specific Applications Investigated

Clinical trials have evaluated the use of this compound for neuropathic pain associated with Type 2 Diabetes and post-herpetic neuralgia.

  • Reported Relief: Findings from trials explored the duration and onset of reported pain relief.

Frequently Asked Questions (FAQ)

Common questions about Monoplus (FAQ)

Q: What is Monoplus primarily used to treat?

A: Official documents state that Monoplus is a brand name used for different products, including a surgical suture and drug formulations. The common drug versions are approved to treat either allergic conditions (like hay fever) or high blood pressure (hypertension). The specific active ingredients and purpose depend on the exact formulation prescribed.

Q: Is Monoplus considered an antibiotic or an anti-inflammatory drug?

A: According to the official product information, common drug forms are not classified as antibiotics. One of the components, montelukast, is a leukotriene receptor blocker. This mechanism influences the inflammation pathway associated with allergic conditions.

Q: How quickly should I expect to see an effect from Monoplus?

A: Studies indicate that the peak concentration of the montelukast component is reached within a few hours of administration. However, the full therapeutic benefit for controlling chronic symptoms may require several weeks of regular use.

Q: Are there any serious long-term side effects linked to Monoplus?

A: Regulatory documents note that rare, serious events can occur, including neuropsychiatric changes (like agitation, depression, or suicidal thoughts) and severe allergic reactions. Regulatory labels recommend monitoring for any changes in mood or behavior, even after stopping the medication.

Q: What happens if a person misses a dose of Monoplus?

A: Official instructions typically direct patients to skip the missed dose and take the next one at the regularly scheduled time. Patients are cautioned not to double the dose to compensate for a missed dose.

Q: Is Monoplus generally considered safe for elderly patients?

A: The official product information advises caution when Monoplus is used by elderly patients. The regulatory label advises that dose adjustment might be required if a patient has moderate to severe renal impairment (reduced kidney function). Older adults may also be more susceptible to common side effects like dizziness.

Q: Does Monoplus carry a special warning from regulatory bodies (like a 'black box')?

A: Yes, the montelukast component of Monoplus carries an FDA Boxed Warning. This is a serious regulatory requirement, concerning the risk of serious neuropsychiatric events, including suicidal thoughts and behaviors.

Q: Where can I find the official package insert or prescribing information for Monoplus?

A: Official prescribing information and regulatory labels can be accessed in government-maintained databases. These resources include the FDA's DailyMed and the NIH's MedlinePlus drug information.

Q: Can Monoplus be crushed, chewed, or cut in half?

A: Non-chewable tablets should generally be swallowed whole. The regulatory label typically specifies that non-chewable tablets should not be crushed or split unless permitted for dose adjustment.

Q: How long is Monoplus usually prescribed for?

A: The duration of use is determined by the healthcare provider. For chronic conditions like allergic rhinitis, clinical experience with the drug components extends up to one year, indicating approval for long-term use.

Q: Has Monoplus been studied in pediatric populations?

A: Yes, components of the allergy formulation have established safety and efficacy in various pediatric age groups. Specific dosage forms, such as solutions or granules, are approved for use in children as young as 6 months or 2 years, depending on the component.

Q: Will Monoplus affect the results of routine blood tests?

A: Official regulatory documents indicate that one formulation (the Fosinopril/HCTZ combination) may interfere with certain laboratory tests, specifically those for parathyroid function. The label includes a warning that patients should inform laboratory personnel they are taking this medication.

Q: Is it necessary to have routine check-ups or lab work while taking Monoplus?

A: The label specifies that routine monitoring is necessary for patients taking the blood pressure formulation to check kidney function, serum electrolytes (such as potassium), and blood pressure levels.

Q: Can Monoplus be taken on an empty stomach?

A: According to official product information, one common drug component (levocetirizine) may be taken with or without food. The montelukast component is also generally shown to be unaffected by a standard meal.

Q: Is Monoplus safe for people with known heart conditions?

A: The blood pressure formulation is approved for treating hypertension, but the label advises caution and careful patient observation when it is used in individuals with conditions like congestive heart failure or ischemic heart disease.

Q: I heard Monoplus is taken less frequently than other drugs. Why is that?

A: Both common drug formulations are typically prescribed to be taken once daily. This dosing schedule is due to the drug components having a long pharmacological half-life, which allows for a continuous therapeutic effect over 24 hours.

Q: What evidence supports the use of Monoplus for its approved condition?

A: Regulatory approval is based on extensive clinical trial data, including Randomized Controlled Trials (RCTs). These studies demonstrate the efficacy of the components for their approved uses, such as blood pressure reduction or control of allergic symptoms.

Q: Is Monoplus available in different strengths?

A: Official regulatory documents list the medication as being available in different strengths. This allows for the healthcare provider to choose the appropriate dose based on the condition being treated and the patient's specific needs.

Q: What should a person do if they accidentally take too much Monoplus?

A: Regulatory guidance directs patients to immediately contact a healthcare provider or a Poison Control Center if too much Monoplus is taken. Common symptoms reported in overdose situations may include drowsiness, agitation, and stomach pain.

Q: Does Monoplus contain any gluten, lactose, or common allergens?

A: Official regulatory warnings indicate that the Montelukast chewable tablet formulation contains the excipient phenylalanine. The label includes a special warning for patients with phenylketonuria (PKU) regarding its presence.

Q: Is it possible to stop taking Monoplus suddenly, or does it require tapering?

A: Official instructions advise against abruptly stopping the medication, as symptoms may worsen or side effects may occur upon discontinuation.

Q: Does Monoplus affect fertility or sexual function?

A: Regulatory documents indicate that impotence has been reported as a rare side effect of the levocetirizine component. Due to the potential for this rare side effect, discussion with a healthcare provider is recommended for those with concerns about sexual function.

How should Monoplus be stored and disposed of?

How to Store and Dispose of Monoplus

Official regulatory guidelines for Monoplus storage focus on temperature control, protection from environmental factors, and child safety, with specific details varying based on the active ingredients (e.g., montelukast or fosinopril combinations).


Storage Requirements

Condition Requirement
Temperature Store generally below 30 C or at Controlled Room Temperature (20 C to 25 C)

. | | Protection | Must be stored in the original container and protected from light and moisture. The product should not be frozen. | | Child Safety | Keep the medicine out of the sight and reach of children at all times. |


Disposal Instructions

Any unused or expired Monoplus must be disposed of in accordance with local regulatory requirements. Patients should consult with a healthcare professional or pharmacist regarding proper disposal. The medication must not be flushed down a toilet or poured down a drain unless specifically instructed to do so by a medical authority.

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

Available in countries:

Equivalent of Monoplus found in:

A-Z Index: