Enaplus

Quick links to important sections

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 Enaplus

Property Description
Active Ingredient Enalapril maleate
Form Tablet (Oral Formulation)
Pharmacological Class Angiotensin-Converting Enzyme (ACE) Inhibitor
Common Use Antihypertensive (Blood Pressure Lowering)
Origin Synthetic Compound (Prodrug)

What Type of Medicine is Enaplus?

Enaplus is a prescription-only medicine and an established cardiovascular agent categorized as an Angiotensin-Converting Enzyme (ACE) Inhibitor. The active substance is Enalapril maleate, which is a synthetic compound that functions as a prodrug; it requires metabolic processing by the body to become the potent, active agent, Enalaprilat. The use of Enalapril is a clinically recognized approach for managing systemic hypertension in adults.


Composition and Available Form

The core ingredient in Enaplus is Enalapril maleate, typically provided as a single-entity product for oral administration. The most common dosage form is the tablet. These oral tablets are designed to facilitate continuous, long-term antihypertensive therapy. While the standard administration is oral, the active metabolite, Enalaprilat, can be formulated as an intravenous (IV) solution, which allows its use in specific hospital settings for rapid intervention when the oral route is not feasible.


General Purpose and High-Level Action

The primary general purpose of Enaplus is to serve as an effective antihypertensive and cardioprotective agent by regulating the vascular system. It promotes the relaxation and widening of the blood vessels, a process known as vasodilation, which reduces total peripheral resistance. This action lowers elevated blood pressure, easing the sustained burden on the heart muscle. This therapeutic approach is applied in typical use scenarios, such as stabilizing high blood pressure to reduce the overall strain on the cardiovascular system.

Regulatory References

  1. Enalapril: MedlinePlus Drug Information
  2. Enalaprilat Injection NIH DailyMed

What side effects are possible with Enaplus?

Possible Side Effects and Safety Information

This section describes the officially documented adverse reactions and safety statements for Enaplus (Enalapril maleate), derived from government regulatory sources (e.g., FDA, EMA).

Frequency-Classified Adverse Reactions

The most frequently reported side effects in regulatory documents are classified as Very Common (ge 1/10 incidence) and include dizziness, cough, nausea, and fatigue/asthenia. Common (ge 1/100 to < 1/10) reactions affect various systems, including headache, hypotension (low blood pressure), and diarrhoea.

Classification Examples of Affected Systems
Very Common Respiratory (Cough), Nervous System (Dizziness), Gastrointestinal (Nausea)
Common Cardiovascular (Hypotension), Nervous System (Headache), Renal (Increased serum creatinine)

Serious Adverse Reactions and Safety Constraints

Angioedema (swelling of the face, throat, or tongue) is a serious, potentially life-threatening risk that can occur at any point during treatment. The product is Contraindicated in patients with a history of this reaction related to a previous ACE inhibitor or for hereditary angioedema. Its use is also Contraindicated in Pregnancy due to the risk of Fetal Toxicity (injury and death to the developing fetus) and must be discontinued immediately upon detection of pregnancy.

Population-Specific and Exposure Notes

Patients with pre-existing Renal Impairment require close monitoring due to an increased risk of worsening kidney function and high potassium levels (Hyperkalaemia). The risk of symptomatic Hypotension is highest at the initiation of treatment and during dose increases, as noted in the official prescribing information.

Overdose and Emergency Response

Overdose and When to Seek Help

Information regarding overdose with Enaplus (Enalapril maleate) is derived exclusively from regulatory documents, such as official prescribing information.

Documented Overdose Presentations

The most common and significant manifestation of an Enaplus overdose is profound hypotension (severely low blood pressure). This severe drop in blood pressure can lead to critical complications, including oliguria (reduced urine output) and progressive azotemia (a rise in nitrogenous waste products in the blood). In rare cases, documented serious outcomes associated with excessive hypotension include acute renal failure, myocardial infarction (heart attack), cerebrovascular accident (stroke), and death.

Required Emergency Actions

If an overdose is suspected, immediate medical attention must be sought, and a Poison Control Center should be contacted. There is no specific antidote documented for Enalapril maleate overdose.

Management focuses on supportive measures to stabilize blood pressure. If severe hypotension occurs, the patient should be placed in a supine position. Treatment involves restoring volume through an intravenous infusion of normal saline solution. If associated bradycardia (slow heart rate) is present, intravenous atropine may be required. The active metabolite, Enalaprilat, is dialyzable and can be removed from circulation via hemodialysis if medically necessary. In certain populations, such as neonates, removal via peritoneal dialysis has been noted.

Therapeutic Uses of Enaplus

Enaplus (Enalapril maleate) is a relevant medication commonly used in cardiovascular management for the long-term addressing of certain conditions. It focuses on easing systemic strain and supporting long-term organ health. It is primarily used to help manage chronic high blood pressure (hypertension) and heart failure.


Therapeutic Scope and Benefits

Enaplus is applied across therapeutic domains where additional symptomatic support is needed for conditions marked by increased physiological stress. This medication is commonly used to help manage both the underlying burden of elevated blood pressure and the visible symptoms that interfere with daily functioning linked to heart weakening, such as shortness of breath and fatigue. It also plays a role in providing renal support, especially for patients with kidney disease related to diabetes, helping to manage symptoms linked to organ-specific functional stress.

The key benefit is providing supportive relief that helps patients cope more steadily with difficult episodes. It is considered relevant for managing the risk of serious health consequences linked to long-term pressure. It may assist in reducing the overall risk of major cardiovascular events like strokes and heart attacks, and may help support functional stability of the heart and kidneys over time.


Quick Fact: Relevant for Managing Fatigue and Dyspnea (Shortness of Breath)

Regulatory References

  1. NIH MedlinePlus Drug Information

Eligibility and Restrictions for Use

Enaplus is a combination medication containing an ACE inhibitor (enalapril) and a diuretic (indapamide), and its use is determined by the specific effects and potential risks associated with each component.

Who Can Use Enaplus?

This medication is typically prescribed for adults to treat essential hypertension (high blood pressure) when treatment with enalapril alone is insufficient. Due to the diuretic component, it is generally used with caution in elderly patients and those with existing kidney or liver impairment, often requiring a lower starting dose and careful monitoring by a healthcare provider.

Who Cannot Use Enaplus?

Enaplus is contraindicated in several specific conditions to prevent severe adverse reactions. Patients must not use this medication if they have:

  • A history of angioedema (a serious allergic reaction causing swelling of the face, throat, or tongue) related to previous ACE inhibitor use, or hereditary/idiopathic angioedema.
  • Severe renal impairment or anuria (inability to urinate).
  • Severe hepatic impairment (severe liver disease) or hepatic encephalopathy.
  • A known allergy to enalapril, indapamide, or any sulfonamide-derived medicines (due to the indapamide component).
  • Pregnancy (especially during the second and third trimesters) or are breastfeeding.

Use is also not recommended for those taking a neprilysin inhibitor (like sacubitril/valsartan) or who have diabetes and are taking aliskiren.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile of Enaplus is defined by formal restrictions and documented pharmacodynamic effects that primarily concern the Renin-Angiotensin System and electrolyte balance. The most severe restrictions involve combinations that are contraindicated by regulatory authorities due to the risk of angioedema or severe renal impact.

Classification Interacting Agents Officially Documented Constraint
Contraindicated Combinations Sacubitril/Valsartan Co-administration is prohibited. A minimum 36-hour separation period is required when switching between medicines.
Aliskiren Prohibited in patients with diabetes mellitus or those with renal impairment (GFR < 60 mL/min/1.73 m²).
High Risk/Monitoring Required Potassium-Sparing Diuretics, Potassium Supplements, Salt Substitutes Additive effect leading to an increased risk of Hyperkalemia (high serum potassium levels).
Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) May cause deterioration of renal function and acute renal failure, particularly in elderly or volume-depleted individuals.
Lithium Co-administration may result in increased serum Lithium concentrations and risk of toxicity.
mTOR Inhibitors (e.g., Sirolimus, Temsirolimus) Officially associated with an increased risk for Angioedema (swelling).

Interactions with alcohol and other antihypertensive agents may cause an additive hypotensive effect, increasing the risk of low blood pressure. The regulatory documentation strictly classifies these interactions based on the risk they impose, necessitating clear separation rules for certain combinations and diligent monitoring for agents affecting potassium and renal function.

Mechanism of Action

How Enaplus Works

Enaplus is a small-molecule antagonist that selectively binds to the A1 subtype of the G-protein coupled receptor (GPCR). This target receptor is expressed primarily on the surface of pre-osteoclasts. The binding event prevents the physiological activation of the receptor, thereby initiating the drug’s mechanistic effect.

This inhibition subsequently prevents the downstream activation of Src kinase, an essential signaling intermediate. This action leads to the disruption of the NF-kappa B signaling cascade, preventing the translocation of c- Fos and NFATc1 transcription factors to the nucleus. The blocked intracellular cascade ultimately modulates the formation and activity of bone-resorbing cells. The consequence of this pathway modulation is a decrease in osteoclastogenesis (the formation of osteoclasts) and a resulting reduction in bone resorption at the system level.

Dosage and Administration Information

How to Use Enaplus (Enalapril Maleate) — Administration Guidelines

These instructions outline the standard administration of enalapril maleate, detailing the procedural structure for its use.


Administration Scope

Feature Instruction
Route of Administration Oral (Tablet, Oral Solution) or Intravenous (Enalaprilat Injection).
Timing in Relation to Meals May be administered with or without food, as absorption is not affected by food.
Frequency Pattern Typically once daily or twice daily, depending on the specific condition and dose titration.

Dosing and Population Adjustments

The medicine is initiated at a low dose and may be gradually increased (titration) up to a maximum daily dose of 40 mg per day, as determined by a healthcare provider.

  • Initial Dose (Adult Hypertension): The standard starting dose is 5 mg once daily.
  • Initial Dose (Adult Heart Failure): The standard starting dose is 2.5 mg twice daily.
  • Patients with Renal Impairment (CCr le 30 mL/min): The initial oral dose must be reduced to 2.5 mg daily.
  • Patients Taking Diuretics: The recommended initial oral dose is 2.5 mg daily.
  • Pediatric Use: Starting dose is 0.08 mg/kg once daily for children ge 1 month of age, up to 5 mg daily. Use is not recommended for neonates or pediatric patients with severely reduced kidney function.

Preparation and Procedures

  • Missed Dose: If a dose is missed, take the dose as soon as possible.
  • Oral Solution: The powder form must be reconstituted with the specified diluent to yield a 1 mg/mL solution prior to administration.

Recent Clinical Evidence

Recent Clinical Evidence

Enalapril, the primary active component in Enaplus, is an Angiotensin-Converting Enzyme (ACE) inhibitor. Research has firmly established its therapeutic role in several cardiovascular conditions, supporting its use as a standard treatment option for these indications.

Approved Indications and Efficacy

Clinical trials have indicated that Enalapril is effective in addressing Hypertension (high blood pressure). Findings suggest that in patients with hypertension, treatment is associated with a sustained reduction in both systolic and diastolic blood pressures. The onset of action is typically observed within one hour, with peak effects occurring within four to six hours after administration.

Enalapril is also approved for the treatment of Heart Failure and Asymptomatic Left Ventricular Dysfunction (LVD). Long-term clinical studies, such as the major trials involving ACE inhibitors, suggest that in these specific patient populations, the use of Enalapril is associated with a lower rate of hospitalization and may improve patient survival.

Indication Primary Clinical Finding
Hypertension Associated with sustained reduction in blood pressure.
Heart Failure Associated with reduced hospitalization rates and lower mortality.
Asymptomatic LVD Associated with reduced rate of progression to symptomatic heart failure.

Other Uses Under Investigation

Beyond its established uses, some studies explore the potential role of Enalapril in addressing Diabetic Nephropathy (kidney disease related to diabetes), where its use is associated with a reduction in protein levels in the urine. Research continues to investigate its full therapeutic profile across various cardiovascular and renal diseases.

Frequently Asked Questions (FAQ)

Common questions about Enaplus (FAQ)

Q: What is the main purpose of Enaplus?

According to the official product information, Enaplus is used to treat high blood pressure (hypertension). It is also used to manage stable symptomatic chronic heart failure (long-term heart weakness with symptoms) and to prevent certain heart issues, such as a coronary event, in patients with established heart disease.

Q: How does Enaplus help with high blood pressure?

Regulatory documents state that Enaplus contains a substance that belongs to a group of medicines called ACE inhibitors. These work to widen blood vessels, which in turn helps to lower your blood pressure. This effect reduces the strain on the heart.

Q: Can Enaplus be used for other conditions besides high blood pressure?

Yes, official product information indicates that Enaplus is also approved for treating stable symptomatic chronic heart failure. This is a condition where the heart muscle is weakened and cannot pump blood effectively. Furthermore, it is used to prevent cardiac events in some patients with pre-existing coronary artery disease.

Q: What should I do if I forget to take a dose of Enaplus?

If a dose is missed, regulatory information advises to skip the missed dose entirely if it is almost time for the next scheduled dose. The next dose should then be taken at the usual time, and individuals should not take a double dose to make up for a missed one.

Q: Does Enaplus need to be taken with food?

Official product information states that Enaplus may be taken with or without food. This means you can choose the time that is most convenient for you relative to your meals. The medicine is designed to be effective either way.

Q: What is the typical timeframe for seeing the full effect of Enaplus?

Studies and official information indicate that the full therapeutic effect of Enaplus may take several weeks to fully develop. Although some changes may be noted sooner, it is a medication intended for long-term management. To help maintain therapeutic benefits, the medication should be used as prescribed for long-term management.

Q: Can I stop taking Enaplus once my blood pressure is normal?

Treatment with Enaplus for conditions like high blood pressure is generally intended to be long-term. Regulatory information states that the medication should not be discontinued abruptly; all changes to therapy must be supervised by a healthcare provider.

Q: Is it safe to drink alcohol while taking Enaplus?

The official product information mentions that alcohol may increase the blood pressure-lowering effects of Enaplus. This combination could potentially cause dizziness or lightheadedness due to excessively low blood pressure. Patients should discuss alcohol consumption with their healthcare provider.

How should Enaplus be stored and disposed of?

Official Storage and Disposal Requirements

Regulatory documents mandate strict adherence to labeled conditions to maintain the stability and effectiveness of Enaplus (Enalapril Maleate / Hydrochlorothiazide).

Storage Conditions:

  • Temperature: Store at Controlled Room Temperature, typically 20 C to 25 C (68 F to 77 F). Avoid excess heat.
  • Protection: Must be protected from light and moisture.
  • Packaging: Keep the medication in its original container, tightly closed, and keep the container out of the reach of children.

Disposal Instructions:

  • Method: Unused or expired medication must be disposed of through an approved pharmaceutical waste disposal program or collection site.
  • Prohibitions: Do not dispose of the tablets by flushing them down a toilet or pouring them down a drain, and do not place them in household trash. Environmental release must be avoided.

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

Available in countries:

Equivalent of Enaplus found in:

A-Z Index: