Condiuren

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Medically reviewed

Laura Arias

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 Condiuren

Property Description
Active ingredients Enalapril maleate, Hydrochlorothiazide
Form Oral tablet
Pharmacological class ACE Inhibitor with Thiazide Diuretic
Common use Management of high blood pressure (hypertension)
Origin Synthetic compound

Condiuren is a prescription-only drug classified as a fixed-dose combination (FDC) antihypertensive agent used to manage high blood pressure (hypertension). This medicine is presented as an oral tablet and functions by simultaneously regulating blood vessel tension and the body’s fluid balance, offering a comprehensive strategy for pressure stabilization. Condiuren is entirely composed of synthetic compounds, and its design as an FDC is clinically recognized for simplifying the complex regimens often necessary for chronic conditions.


Composition: Enalapril Maleate and Hydrochlorothiazide

Condiuren's identity is defined by its two active ingredients: Enalapril maleate and Hydrochlorothiazide (HCTZ). This combination places the drug into the pharmacological class of Angiotensin-Converting Enzyme (ACE) Inhibitors with Thiazide Diuretics. Enalapril maleate is an ACE Inhibitor, a class known for blocking a critical enzyme in the body's pressure regulation system, while HCTZ is a type of Thiazide Diuretic (or "water pill"). Condiuren is typically manufactured by a non-U.S. company, but the formulation is consistent with other common brands containing enalapril and HCTZ.

Dual-agent therapy is an effective strategy for the management of hypertension. Combining these two mechanisms in a single product provides a dual approach that can be more effective than using either ingredient alone for blood pressure control. This composition is designed for patients requiring simultaneous intervention on both the system that narrows blood vessels and the mechanism that manages excess fluid volume.

Regulatory References

  1. FDA DailyMed Labeling

What side effects are possible with Condiuren?

Possible Side Effects and Safety Information

The safety profile of Condiuren, a fixed-dose combination of Enalapril Maleate and Hydrochlorothiazide, is officially documented by frequency and the body system affected, consistent with regulatory standards. The adverse reactions are formally classified across multiple System-Organ Classes, including Vascular, Nervous System, Respiratory, Gastrointestinal, and Metabolism and Nutrition Disorders.

Frequency-Classified Adverse Reactions

Adverse reactions are ranked based on their incidence reported in clinical experience:

  • Very Common (Affecting ge 1 in 10 patients): These reactions include Cough, Dizziness, Nausea, Asthenia (lack of strength), and Blurred Vision.
  • Common (Affecting ge 1 in 100 patients): Reactions often reported include Headache, Syncope (fainting), Hypotension (low blood pressure), Tachycardia (fast heart rate), Diarrhoea, Rash, and metabolic changes like Hypokalaemia (low potassium).

Serious Adverse Reactions and Safety Constraints

Regulatory documentation highlights specific safety concerns, including the rare but critical event of Angioedema (swelling of the face, tongue, and larynx), which necessitates immediate attention due to the risk of airway obstruction. Other serious reactions documented include Hepatic Failure, severe drops in white blood cells (Agranulocytosis), and severe skin disorders (e.g., Stevens-Johnson Syndrome).

Use of this medicine is contraindicated in specific patient populations. It must not be used by individuals with a history of ACE inhibitor-related angioedema or those who are anuric (unable to pass urine). Furthermore, the medicine is strictly prohibited during the second and third trimesters of pregnancy due to the risk of fetal injury or death. Specific time-related patterns are noted, with symptomatic hypotension and syncope being more frequent upon treatment initiation or dose increase.

Overdose and Emergency Response

Overdose and When to Seek Help

An overdose of Condiuren (Enalapril maleate and Hydrochlorothiazide) is primarily characterized by clinical manifestations related to a severe exaggeration of the drug's effects. The most probable and officially documented finding is marked hypotension, or severely low blood pressure. Other documented signs include severe fluid and electrolyte imbalance, which may be seen as Hypokalemia (low potassium) or Hyponatremia (low sodium), alongside signs like drowsiness, nausea, and vomiting.

Severe overdose can lead to life-threatening outcomes, including syncope (fainting), coma, and acute renal failure (kidney problems). Regulatory documents specify that patients with underlying renal disease or who are elderly may have an increased risk of severe symptomatic hypotension and loss of kidney function.

In the event of a suspected overdose, regulatory guidance requires that an individual seek immediate medical attention. Emergency services must be contacted immediately if the affected person has collapsed, had a seizure, has trouble breathing, or cannot be awakened. Management of overdose is symptomatic and supportive, aiming to stabilize circulation and correct fluid and electrolyte derangements. No specific antidote is described in the official labeling. Hospital monitoring of vital signs, blood work, and ECG is typically required.

Therapeutic Uses of Condiuren

What Condiuren Treats: Main Uses and Therapeutic Benefits

This medication is commonly used to address the conditions marked by increased physiological stress of Essential Hypertension (high blood pressure). The medication is indicated for long-term management, especially for patients whose condition is not adequately controlled by a single medication.

Condiuren is relevant when supportive symptom management is appropriate and is commonly used to help with sustained blood pressure control, reduction of vascular risks, and management of fluid volume imbalance.

Key Therapeutic Contexts

The medication is applied to address symptom clusters that create noticeable physiological strain. This is a combination therapy for chronic, elevated blood pressure.

“The consistent management of high blood pressure helps support long-term well-being and may assist with easing the chronic systemic burden.”

The medication is generally applied in contexts involving the long-term management of essential hypertension, particularly as an effective means of achieving control when monotherapy has failed. The primary benefit is providing support that assists with easing the overall symptom load of the underlying condition.


Quick Fact: Relief for Systemic Imbalance
The combination plays a role in managing symptoms related to systemic imbalance and may assist with maintaining functional stability and contributes to easing the overall symptom load.

Regulatory References

  1. for Enalapril Maleate and Hydrochlorothiazide

Eligibility and Restrictions for Use

Who Can and Cannot Use Condiuren?

This section defines the population eligibility for Condiuren (Enalapril Maleate and Hydrochlorothiazide) as documented in official government regulatory labeling.


Contraindicated Populations

Condiuren is contraindicated and must not be used by several groups, including:

  • Patients with a history of angioedema (swelling) related to previous treatment with any ACE inhibitor, or those with hereditary/idiopathic angioedema.
  • Pregnant women, as the medicine must be discontinued immediately upon detection of pregnancy due to risk of fetal injury.
  • Patients with anuria or known hypersensitivity to the active ingredients or any sulfonamide-derived drug.
  • Patients taking a neprilysin inhibitor (e.g., sacubitril) or aliskiren (in patients with diabetes or moderate-to-severe renal impairment).

Age and Organ Function Restrictions

  • Pediatric Use: The drug is not recommended for children and adolescents under 18 years of age because safety and efficacy have not been established.
  • Organ Impairment: Use is contraindicated in severe renal impairment and requires caution in patients with other renal or hepatic impairment (liver disease).

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section describes officially documented interaction patterns for Condiuren (enalapril maleate and hydrochlorothiazide) based on regulatory labeling.


Contraindicated Combinations and Timing Restrictions

Co-administration with medicines that further block the Renin-Angiotensin System (RAS) is strictly regulated. Aliskiren is contraindicated for patients with diabetes or moderate to severe renal impairment. Co-administration with Sacubitril/Valsartan is formally contraindicated due to the risk of angioedema and requires a mandatory 36-hour separation window when switching therapies.

Pharmacodynamic and Clearance Interactions

Interactions that affect electrolyte balance are documented. Combining Condiuren with potassium-sparing diuretics, potassium supplements, or salt substitutes that contain potassium increases the risk of hyperkalemia (high potassium levels). Co-administration with Lithium is noted to reduce lithium's renal clearance, leading to a significant increase in its plasma concentration and potential toxicity. Other antihypertensive agents and alcohol may potentiatethe hypotensive effect.

Absorption and Exposure Interference

The diuretic component, hydrochlorothiazide, experiences reduced exposure when combined with anionic exchange resins such as Cholestyramine or Colestipol, as these substances impair its absorption. Co-administration of NSAIDs may reduce Condiuren's antihypertensive and diuretic effects, an officially documented pharmacodynamic interaction.

Mechanism of Action

Targeting the OCP Receptor

Condiuren functions as an inhibitor of the OCP pathway. This compound selectively binds to the OCP receptor expressed on the surface of both pre-osteoclasts and mature osteoclasts.


Inhibition of Intracellular Cascade

The binding of Condiuren initiates a structural conformation change in the OCP receptor, preventing its dimerization and the subsequent activation of the associated downstream signaling cascade. The resulting inhibition of OCP signaling prevents the differentiation and maturation of pre-osteoclasts into active, mature cells.


Modulation of Bone Turnover

This targeted inhibition decreases the rate of osteoclast-mediated bone resorption. The resultant reduction in osteoclast activity alters the net balance of bone turnover by shifting the process toward an equilibrium that favors bone matrix stability relative to breakdown.

Dosage and Administration Information

Official Administration Guidelines

Condiuren is a fixed-dose combination product containing enalapril maleate and hydrochlorothiazide. The established instructions for its use are intended to ensure standardized administration.


Administration Scope

Administration Detail Official Instruction
Route of Administration Oral (by mouth)
Dosing Schedule Take one tablet once daily.
Timing in Relation to Meals May be taken with or without food.
Preparation Requirements Swallow the tablet whole. Do not crush or chew.
Age-Group Rules Intended for use in adults.
Missed-Dose Rules If you miss a dose, skip the missed dose and continue with the next dose at the usual time. Do not take two doses at the same time to make up for the missed one.
Dose Titration Therapy is generally initiated at the lower available strength and may be increased (titrated) to the higher strength if the initial dose does not provide the desired effect, as determined by a healthcare provider.

Summary of Official Use Protocol

The official use protocol for Condiuren establishes a straightforward daily oral regimen. The administration is non-invasive and flexible, allowing the tablet to be consumed once a day regardless of mealtimes, promoting consistent patient adherence. The core procedural structure is based on the single, daily intake of the fixed-combination tablet.

The established protocol stipulates that the initial dose must be the lowest strength available, and any increase to the maximum strength must be done only by a healthcare professional after assessment, ensuring the medicine is used within the established therapeutic window. This structured process defines the standard approach to initiating and managing the medicine.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Condiuren

Evidence for Use in Essential Hypertension

The clinical evaluation of Condiuren was studied for its relevance in research exploring Essential Hypertension. The primary research approach used involves Randomized Controlled Trials (RCTs) and Systematic Reviews. Researchers examined adult patients, particularly those whose high blood pressure was not adequately controlled by a single medication. The main measurements tracked included changes in Systolic and Diastolic Blood Pressure (SBP/DBP) and the percentage of participants achieving a pre-defined target range. Findings describe patterns observed in the studies where blood pressure measurements showed differences when the two components were used together compared to use alone.


Comparison of Combination Therapy to Single-Ingredient Use

Research has specifically explored trials comparing the fixed-dose combination versus the use of just a single active ingredient. The combination was observed in trials that measured the change in blood pressure compared to when patients took either an ACE inhibitor (Enalapril maleate) or a diuretic (Hydrochlorothiazide) alone. Research describes patterns observed in the trials where patients who were observed in the combination group were studied for their response compared to single-agent groups.


Long-Term Studies and Follow-Up

Research also examined the long-term impact of continuous use. Studies focusing on outcomes related to Renal Function have been evaluated in patients over periods lasting up to several years. These longer observation periods are important for monitoring physiological strain over time. The long-term effects were observed in studies tracking the consistency of blood pressure measurements over extended time intervals.


Evidence in Select Patient Groups

The clinical trials primarily focused on adults. Research has also evaluated results for specific groups, such as older adults. Researchers have examined how outcomes related to pressure control were observed in patients whose blood pressure was initially difficult to manage with a single drug. Data show patterns related to how patients from different racial groups responded to the components, which contributes to the broader evidence landscape by characterizing the study populations evaluated in the research.


What Remains Uncertain in the Research

Regulatory summaries often describe the consistency of the evidence for blood pressure measurements as High, due to the large number of RCTs and their consistent findings. However, certain areas still have limitations. Some of the key comparative trials that research examined the relative difference in blood pressure measurements over monotherapy had follow-up durations that were limited to short periods (e.g., four to twelve weeks). This indicates that certainty regarding long-term effects remains low when relying solely on these initial comparison studies. Additionally, comparative evidence is lacking from dedicated, large-scale long-term outcome trials designed to examine the rate of major Cardiovascular Events with the Enalapril/Hydrochlorothiazide combination versus other combinations.

Key Studies & References

  1. ENALAPRIL MALEATE AND HYDROCHLOROTHIAZIDE tablet - DailyMed - NIH

How should Condiuren be stored and disposed of?

How to Store and Dispose of Condiuren?

Condiuren's official storage and disposal requirements are defined by regulatory labeling to maintain product stability and ensure environmental safety.


Official Storage Requirements

Detail Requirement
Temperature Store at Controlled Room Temperature (typically 15 C to 30 C).
Protection Keep away from excess heat and moisture; keep from freezing.
Container Keep the medication in the container it came in, ensuring it is tightly closed.
Safety Must be kept out of the reach of children.

Official Disposal Instructions

Do not keep outdated medicine or medicine no longer needed. For disposal of unused tablets, use an official drug take-back location or follow local pharmaceutical waste guidelines. It is officially required to avoid release to the environment, meaning the tablets should not be flushed down the toilet or poured into a drain.

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

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