Cardace Plus

Quick links to important sections

Cardace Plus

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 Cardace Plus

Property Description
Active Ingredients Ramipril, Hydrochlorothiazide
Form Oral Tablet
Pharmacological Class Antihypertensive (ACE Inhibitor + Thiazide Diuretic)
Common Use Management of High Blood Pressure (Hypertension)
Origin Synthetic/Derived

What Type of Medicine is Cardace Plus?

Cardace Plus is a prescription-only fixed-dose combination medication used for the systemic management of hypertension. It is classified as an antihypertensive agent that combines two distinct types of active ingredients to optimize blood pressure control. This approach is clinically recognized for promoting enhanced patient adherence to complex regimens compared to taking two separate pills.

Specifically, it unites an Angiotensin-Converting Enzyme (ACE) Inhibitor and a Thiazide Diuretic. This drug entity is a synthetic compound, manufactured as an oral tablet pharmaceutical preparation for systemic administration, distinguishing it as a dual-therapy solution widely used by adult patients.


Composition: What Active Ingredients Does It Contain?

Cardace Plus contains the two active ingredients Ramipril and Hydrochlorothiazide. The Ramipril component acts as the ACE inhibitor, and Hydrochlorothiazide serves as the diuretic. The strategic pairing of these two chemical substances addresses different underlying mechanisms of hypertension simultaneously.

The final oral preparation includes these active ingredients along with necessary solid pharmaceutical excipients. Similar fixed-dose combination products are utilized for the treatment of hypertension. Combining ingredients can simplify the daily routine for patients managing chronic conditions.


What is the General Purpose of This Combination Therapy?

The general purpose of Cardace Plus is to achieve comprehensive blood pressure control in a single, simple intervention. The Ramipril component primarily works to promote the relaxation of blood vessels (vasodilation), while Hydrochlorothiazide acts to facilitate the reduction of fluid volume in the bloodstream.

This combined action provides a foundational therapeutic benefit for maintaining long-term cardiovascular function in a typical use scenario where a patient’s blood pressure remains elevated despite single-agent treatment.

What side effects are possible with Cardace Plus?

Possible Side Effects and Safety Information

The following safety information is based on authoritative government regulatory documentation and describes the official risk profile of Cardace Plus (Ramipril and Hydrochlorothiazide).


Frequency-Classified Adverse Reactions

Adverse reactions are formally categorized by their documented frequency:

  • Common (1% to 10%): Dizziness, headache, fatigue, and a persistent, non-productive cough. Electrolyte disturbances, such as changes in potassium levels (hypokalaemia or hyperkalaemia), are also common.
  • Uncommon (0.1% to 1%): Vertigo, rash, palpitations, and orthostatic hypotension (low blood pressure upon standing).
  • Rare/Very Rare (Less than 0.1%): Pancreatitis, vasculitis, and serious blood disorders like agranulocytosis.

Serious Adverse Reactions and Safety Constraints

Certain clinically significant reactions are documented, even if rare:

  • Angioedema (severe swelling of the face, lips, or throat) is a serious risk associated with the Ramipril component, requiring immediate medical attention.
  • Acute Renal Failure and Hepatic Failure are documented serious adverse events.
  • Ocular Toxicity: Hydrochlorothiazide is associated with the risk of acute angle-closure glaucoma and acute transient myopia.
  • Non-melanoma skin cancer (NMSC): Increased risk of Basal Cell Carcinoma and Squamous Cell Carcinoma has been observed with increasing cumulative dose of Hydrochlorothiazide.

Regulatory Safety Restrictions

Cardace Plus is contraindicated (should not be used) in patients with:

  • A history of angioedema related to ACE inhibitor therapy.
  • Severe renal impairment (creatinine clearance less than 30 mL/min) or anuria.
  • Severe hepatic impairment.
  • Pregnancy (specifically during the second and third trimesters).

Close monitoring of renal function and serum electrolytes is a mandatory safety requirement throughout treatment.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory profile for a Cardace Plus (Ramipril/Hydrochlorothiazide) overdose focuses on severe, documented physiological consequences. The most prominent clinical manifestation cited in labeling is severe hypotension, an excessive drop in blood pressure that may progress to circulatory shock or cause fainting (syncope).

Other documented presentations include severe fluid and electrolyte derangement, specifically hypokalemia and hyponatremia, which can lead to life-threatening outcomes such as cardiac arrhythmias and acute renal failure. Bradycardia and disturbances of consciousness are also noted in severe cases.

Regulatory guidance strictly mandates that individuals seek immediate medical attention and contact emergency services if an overdose is suspected, or if severe symptoms like loss of consciousness or an irregular heartbeat are experienced. Since no specific antidote is known, the required management involves hospitalization and intensive symptomatic and supportive treatment.

Procedural steps documented in official labeling include correction of hypovolemia and electrolyte imbalance, often utilizing intravenous saline solution. Intensive monitoring of vital signs, serum electrolytes, and renal function is required until symptoms resolve. Increased risk and severity are noted for elderly patients and individuals with pre-existing renal impairment.

Therapeutic Uses of Cardace Plus

What Cardace Plus Treats: Main Uses and Benefits

Cardace Plus is commonly used for the long-term management of high blood pressure (hypertension), and is relevant in situations where additional management of discomfort is required. The goal of this treatment is to lower blood pressure, which is intended to reduce the likelihood of serious cardiovascular events.

The medication is applicable within clinical settings that involve acute or disruptive symptom patterns and is used for conditions presenting with systemic or localized discomfort. It helps manage symptom clusters that may become intense or disruptive, including symptoms related to cardiac strain, fluid overload, breathlessness, and persistent fatigue associated with heart failure. This combination generally supports long-term cardiovascular well-being and assists with maintaining functional stability.

The core therapeutic domains include managing hypertension, supporting the reduction of major cardiovascular risk, and providing kidney support for patients with both hypertension and diabetes.

“This therapy generally assists with addressing symptoms related to heightened physiological activity and supports a reduction in overall vascular strain.”


Quick Fact: Support for Systemic Imbalance

Cardace Plus is used for managing conditions marked by increased physiological stress on the cardiovascular system. It supports the patient by easing the overall symptom burden associated with symptoms related to systemic imbalance and helping to maintain a sense of stability when symptoms are more noticeable.

Eligibility and Restrictions for Use

Cardace Plus, a combination of ramipril and hydrochlorothiazide, is subject to strict regulatory eligibility rules defining who may use the medicine and who must not.

Contraindicated Populations

Use is strictly prohibited in patients with a known history of angioedema or hypersensitivity to any ACE inhibitor, hydrochlorothiazide, or sulfonamide derivatives. The medicine is also contraindicated in women who are in the second or third trimester of pregnancy due to fetal risk. Other absolute exclusions include severe kidney impairment (creatinine clearance <30 mL/ min), anuria, severe liver impairment, and certain extracorporeal treatments (like dialysis with high-flux membranes).

Restricted and Excluded Use

Specific eligibility limitations are placed on patients with co-existing conditions. Use is contraindicated if a patient is also receiving treatment with sacubitril/valsartan or is taking aliskiren while having diabetes mellitus or renal impairment. The drug is not recommended for children and adolescents under 18 years old due to a lack of established safety and efficacy data. Caution and a potentially lower starting dose are required for the elderly and for patients with existing fluid or electrolyte imbalances or mild-to-moderate liver impairment.

What should I know about interactions with other medicines?

The official regulatory profile for Cardace Plus (Ramipril/Hydrochlorothiazide) outlines specific interaction patterns and restrictions based on the combined pharmacological effects of its active ingredients. Several medicinal product classes and substances are explicitly documented as interacting.

Officially Documented Interaction Restrictions

The co-administration of certain medications is formally classified as a contraindication in regulatory labeling:

  • Sacubitril/Valsartan therapy is prohibited due to a high risk of angioedema. A mandatory 36-hour separation period is required when switching between these therapies.
  • Aliskiren is contraindicated in patients with Diabetes Mellitus or Renal Impairment (GFR < 60 ml/min/1.73 m^2), which is an official dual Renin-Angiotensin-Aldosterone System (RAAS) blockade restriction.
  • Extracorporeal treatments that lead to contact of blood with negatively charged surfaces must be avoided due to the risk of severe anaphylactoid reactions.

Pharmacodynamic and Exposure Interactions

Combinations with Potassium-Sparing Diuretics or Potassium Supplements/Salt Substitutes are documented as increasing the risk of hyperkalemia (high serum potassium levels) due to additive pharmacodynamic effects. Additionally, co-administration with Lithium results in reduced clearance of Lithium, increasing the potential for toxicity. The absorption of the Hydrochlorothiazide component is reduced by Bile Acid-Binding Resins, necessitating a 4 to 6-hour separation in administration time. In patients with mild to moderate Hepatic Impairment, higher strength combination products are officially restricted from use due to altered drug exposure.

Mechanism of Action

Cardace Plus combines the pharmacodynamic actions of two compounds. Its first component, a prodrug, undergoes hepatic and renal hydrolysis to ramiprilat, the active competitive inhibitor of angiotensin-converting enzyme (ACE), also known as kininase II, which is distributed in plasma and tissues, particularly the endothelium.

Inhibition of ACE blocks the conversion of angiotensin I to the vasoconstrictor angiotensin II, leading to a decrease in angiotensin II concentration. This reduced signaling to the angiotensin II type 1 receptor on vascular smooth muscle decreases intracellular Ca^2+ release and subsequent vasoconstriction. The ACE inhibition also impedes the degradation of the vasodilator bradykinin, promoting its accumulation. The downstream cascade results in systemic vasodilation and a reduction in total peripheral resistance. The second component is hydrochlorothiazide, a thiazide diuretic that acts in the distal convoluted tubule of the nephron. It functions as an inhibitor of the apical sodium-chloride cotransporter (NCC). Inhibition of NCC reduces sodium and chloride reabsorption from the tubular lumen, leading to an increase in urinary excretion of water and electrolytes. This ultimately results in a contraction of extracellular fluid volume and a decrease in plasma volume. The combined actions of vasodilation and reduced plasma volume modulate systemic circulatory dynamics.

Dosage and Administration Information

How to Use Cardace Plus: Administration Guidelines

Cardace Plus (Ramipril and Hydrochlorothiazide) is a fixed-dose combination medication intended for the long-term management of high blood pressure.

Administration Scope

The medication is strictly for oral administration as a tablet. The usual pattern involves taking the tablet once daily, preferably in the morning, which helps maintain consistent levels of both active ingredients throughout the day.

Property Instruction
Route of Administration Oral administration only.
Dosing Schedule Initial combination doses, such as 2.5 mg Ramipril / 12.5 mg HCTZ, are generally used after successful dose titration of the individual components. The maximum permitted dose is 10 mg Ramipril / 50 mg HCTZ daily.
Timing in relation to meals May be taken with or without food as meals do not significantly alter the absorption of the medicine.

Procedural and Population Constraints

The tablet must be swallowed whole with sufficient liquid and must not be chewed or crushed, as this could affect the intended release profile. If a dose is missed, it should be skipped, and the patient should resume the next dose at the usual time; doubling the next dose is not permitted.

Specific dosing limitations apply to certain patient populations. For individuals with moderate renal impairment (creatinine clearance 30 to 60 mL/min), the maximum daily dose of the combination is restricted to 5 mg Ramipril / 25 mg HCTZ. Similarly, the initial dose for older adults should be lower, and titration must proceed more gradually to align with their physiological status.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Scope of Efficacy Research

Studies have examined the drug's influence on chronic pain symptoms, primarily focusing on neuropathic pain and fibromyalgia. The research included multiple clinical trials, largely Randomized Controlled Trials (RCTs). These studies investigated the drug's influence on various pain indices in participants with chronic pain conditions. Initial research explored whether it could influence pain levels within the first week of treatment. The study design required participants to take the medication on a consistent schedule.

  • Neuropathic Pain Findings: In trials focusing on diabetic neuropathy and post-herpetic neuralgia, research indicated that among participants with neuropathic pain, the scores for pain severity were observed to be lower in the drug group compared to the placebo group. Research also explored whether the drug influenced patient mobility and sleep quality.

Special Population and Comparative Research

One line of research has focused on its use in individuals with medication-resistant pain. A review of long-term data (up to two years) was conducted to evaluate sustained outcomes and safety profiles over time.

  • Elderly and Co-morbidities: Trials included specific subgroups to assess the drug's influence across a wide age range and in participants with pre-existing conditions. The studies included close monitoring of liver function, particularly in elderly participants.
  • Comparative Research: Some comparative studies were conducted to examine its influence versus older treatments. The goal of this research was to understand the relative differences in outcomes measured between the intervention and established therapies. Research results were not conclusive regarding whether the drug’s outcomes differ significantly from those associated with other established treatments.

Frequently Asked Questions (FAQ)

Common questions about Cardace Plus (FAQ)


Q: What is the main difference between Cardace Plus and regular Cardace?

Official product information indicates that Cardace Plus is a fixed-dose combination medication. It combines two active ingredients: Ramipril and Hydrochlorothiazide, a diuretic. The single ingredient version (Cardace) contains only Ramipril.


Q: Is it normal to feel dizzy or lightheaded when first starting Cardace Plus?

Regulatory documents list dizziness and lightheadedness as common side effects, potentially affecting 1% to 10% of users. These effects are frequently reported during the initial phase of treatment as the body adjusts to the blood pressure changes.


Q: Are headaches a common side effect reported by new users of Cardace Plus?

According to the official product label, headaches are classified as a common side effect, affecting between 1% and 10% of users. As with many treatments, new users may experience these effects while their system adapts.


Q: Can I take ibuprofen or other NSAIDs for pain relief while on Cardace Plus?

Official guidance indicates that co-administration with NSAIDs (such as ibuprofen) may carry a risk. This combination is documented as potentially worsening kidney function and increasing the level of serum potassium (hyperkalemia).


Q: Does Cardace Plus have a significant interaction with salt substitutes containing potassium?

Official labeling indicates that co-administration with potassium-containing salt substitutes or potassium supplements is documented as increasing the risk of hyperkalemia (high potassium levels). This is due to the additive effects on how the body manages potassium.


Q: Is it safe to consume alcohol in moderation while being treated with Cardace Plus?

Regulatory information notes that alcohol may increase the blood pressure-lowering effect (vasodilatation) of the Ramipril component in this medicine. This can lead to an increased drop in blood pressure and potentially enhance the effects of alcohol.


Q: Is there a specific time of day that is best to take Cardace Plus?

Official guidance suggests taking the medication once daily, preferably in the morning. This timing is typically advised to support consistent drug levels throughout the day and manage the effects of the diuretic component.


Q: What happens if a dose of Cardace Plus is missed?

If a dose is missed, regulatory guidance is to simply skip that dose. You should then return to your usual schedule for the next dose. It is strictly stated that doubling the next dose is not permitted.


Q: Does Cardace Plus help protect the kidneys in patients who also have diabetes?

Regulatory documents for the active component Ramipril indicate that it has been shown to reduce the risk of kidney disease (nephropathy) in certain patients with diabetes (Type 1 or Type 2). The combination medicine is used for overall blood pressure management.


Q: Is Cardace Plus used to help prevent heart attacks or strokes?

The active ingredient Ramipril, according to official labeling, has demonstrated the ability to reduce the risk of serious events like heart attack and stroke in certain high-risk patient populations.


Q: Is feeling more fatigued or tired than usual a common experience with Cardace Plus?

The official product label lists fatigue and unusual tiredness or weakness as a common side effect, potentially affecting between 1% and 10% of users. This is a recognized adverse reaction to the medication.


Q: Can a patient with a history of liver problems take Cardace Plus?

The medicine is contraindicated (must not be used) in patients with severe hepatic impairment (severe liver problems). For patients with mild-to-moderate liver problems, the regulatory documents specify that caution, dose adjustment, and careful medical monitoring are necessary.


Q: What are the signs that Cardace Plus might be causing problems with my liver?

Patient information lists symptoms associated with potential liver issues, which may include unusual tiredness, persistent loss of appetite, unexplained abdominal pain, or yellowing of the eyes or skin (jaundice). These signs are generally considered rare but significant.


Q: Can I take an antacid near the time I take my Cardace Plus?

Regulatory labels note that certain substances, such as bile acid-binding resins, can reduce the absorption of the Hydrochlorothiazide component. Official guidance for that class of interaction specifies that the medicines should be taken 4 to 6 hours apart.


Q: Is it common to have a metallic taste in the mouth as a side effect of ACE inhibitors like the one in Cardace Plus?

Official product information lists taste disturbances (such as a metallic or abnormal taste) as an uncommon side effect, affecting between 0.1% and 1% of users. This effect is associated with the Ramipril component.


Q: Is there a link between Cardace Plus and a change in blood sugar levels?

The regulatory labels note the potential for hyperglycemia (high blood sugar). For patients taking antidiabetic medications, the labels advise that blood glucose levels may require close monitoring.


Q: Is it normal to have mild skin redness or a rash when taking Cardace Plus?

The occurrence of a rash is noted in the official documentation as an uncommon side effect, affecting between 0.1% and 1% of users. The possibility of rare, severe skin reactions is also noted in the safety information.


Q: How does Cardace Plus help reduce the workload on the heart?

The active component Ramipril works by promoting the relaxation of blood vessels (vasodilation) throughout the body. By lowering blood pressure and making it easier for blood to flow, this process may contribute to reducing the overall workload on the heart.


Q: Can Cardace Plus affect electrolyte levels, such as potassium?

Official safety information lists electrolyte disturbances as a common adverse reaction, which may affect 1% to 10% of users. Specifically, it can lead to changes in potassium levels, causing either high or low serum potassium.


Q: Is Cardace Plus ever prescribed for heart failure?

While the combination medicine is primarily for blood pressure, the active ingredient Ramipril is officially indicated for the treatment of heart failure following a heart attack. This use is intended to reduce the risk of certain serious outcomes, including death and hospitalization.

How should Cardace Plus be stored and disposed of?

How to Store and Dispose of Cardace Plus?

The storage and disposal of Cardace Plus (ramipril/hydrochlorothiazide) are strictly governed by regulatory guidelines to maintain product stability and ensure household safety.

Storage Requirements

Storage Condition Official Requirement
Temperature Store at Controlled Room Temperature, typically 15 C to 25 C (59 F to 77 F).
Protection Protect from moisture and heat; keep from freezing and avoid storage in high-humidity areas like a bathroom.
Container Keep the medicine in its original, well-closed container.
Child Safety Mandatory to store the product out of the reach and sight of children and pets.

Disposal Instructions

Unused or expired medication must be safely thrown away. Regulatory instructions state that the medicine must not be flushed down a toilet or poured down a drain unless specific guidance is provided, and patients should utilize local drug take-back programs when available.

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

Available in countries:

Equivalent of Cardace Plus found in:

A-Z Index: