Aceten

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Medically reviewed

Rosario Oropesa

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 Aceten

Quick Facts

Property Description
Active ingredient Captopril
Form Oral tablet
Pharmacological class Angiotensin-Converting Enzyme (ACE) Inhibitor
Common use Antihypertensive agent
Origin Synthetic compound

What is Aceten and What Type of Medicine Is It?

Aceten is a medication containing the active substance Captopril, which is chemically classified as a synthetic compound and pharmacologically categorized as an Angiotensin-Converting Enzyme (ACE) Inhibitor. This classification places it within the primary group of drugs used to modify the body’s systems regulating blood vessel tension. Captopril is noted for being one of the few ACE inhibitors that is not a prodrug, meaning it is biologically active immediately upon absorption, a feature related to its unique structure. This immediate activity profile is a key pharmacological differentiation compared to other major ACE inhibitors, and its efficacy is clinically recognized for managing systemic vascular pressure.

Composition, Form, and General Purpose

The medication is a single-ingredient product delivered as an oral tablet, with Captopril as the sole active substance alongside standard solid pharmaceutical excipients. The general purpose of this medication is to serve as a principal antihypertensive agent by interrupting the activity of the Renin-Angiotensin-Aldosterone System (RAAS). By inhibiting the ACE enzyme, Captopril decreases levels of Angiotensin II, a potent chemical signal that otherwise causes blood vessels to constrict. This action results in vasodilation, the widening of the blood vessels, which fundamentally lowers resistance in the circulatory system. This mechanism is primarily utilized in cardiovascular therapy to optimize the performance of the heart and blood vessels, particularly in scenarios requiring long-term management of high blood pressure.

What side effects are possible with Aceten?

Possible Side Effects and Safety Information

The safety profile of Aceten (Captopril) is documented based on regulatory classifications of adverse events and specific safety limitations. Reactions are categorized by frequency and the body system affected.

Frequency-Classified Adverse Reactions

The officially listed reactions are grouped by their rate of occurrence:

  • Common: Adverse effects observed frequently include a dry, persistent cough, taste impairment (dysgeusia), dizziness, and headache. These effects typically inform general tolerability.
  • Uncommon: Reactions such as symptomatic hypotension (low blood pressure) and tachycardia are documented in official prescribing information.
  • Rare: Less frequent but clinically significant risks include the potentially fatal reaction Angioedema (swelling of the face, tongue, or throat) and severe blood disorders like Neutropenia.

System-Organ Class and Serious Reactions

Adverse effects are categorized across several organ systems, including Vascular Disorders, Nervous System Disorders, and the Blood and Lymphatic System. The serious risks of Angioedema and Neutropenia/Agranulocytosis are highlighted in official documents, with the latter being a higher concern for patients with pre-existing renal impairment or collagen vascular disease.


Population-Specific Safety Constraints

The medication is strictly contraindicated during the second and third trimesters of pregnancy due to the serious risk of fetal injury or death. Furthermore, a history of Angioedema related to any previous use of an ACE inhibitor is an absolute safety restriction. Symptomatic hypotension is noted to be more likely during the first few days of initiating treatment, defining a time-related safety pattern.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory profile for Aceten (Captopril) overdose indicates that the principal clinical presentation is severe hypotension, reflecting an exaggerated physiological effect. Other documented manifestations include shock, lethargy, bradycardia, and significant electrolyte disturbance, such as hyperkalemia and hyponatremia. Severe outcomes listed in regulatory documents include acute renal failure.

Domain Official Regulatory Statement
Documented Manifestations Severe hypotension, shock, lethargy, bradycardia, electrolyte disturbance.
Life-Threatening Outcomes Acute renal failure, seizure, trouble breathing.
Immediate Action Required Call emergency services or the Poison Control Helpline immediately.

Urgent medical attention is required for any suspected overdose. Government labeling explicitly instructs that emergency services must be contacted if the individual has collapsed, experienced a seizure, or is having trouble breathing. Management procedures documented in official sources focus on symptomatic and supportive treatment. These measures include placing the patient in a supine position and immediately administering fluids and sodium supplements to manage hypotension. Specialized regulatory guidance mentions atropine administration for bradycardia and the potential use of haemodialysis to clear the compound. Asymptomatic individuals require monitoring for at least four hours, while symptomatic patients require hospital admission and observation for at least 24 hours.

Therapeutic Uses of Aceten

What Aceten Treats: Main Uses and Benefits

Aceten (Captopril) is commonly used within key therapeutic areas, including cardiovascular and renal domains. It is primarily applied for the sustained management of Systemic Hypertension, assisting with the maintenance of vascular stability over time. The medication is also relevant for patients who have suffered a Myocardial Infarction, managing established Chronic Heart Failure, and addressing Diabetic Nephropathy. This range of uses makes it a relevant consideration for long-term care plans.

The core role of Aceten is to help manage conditions presenting with symptoms related to heightened physiological activity and symptoms linked to organ-specific functional stress. The medication is commonly used to help manage the overall symptom burden in patients with a weakened heart and may assist with slowing the progression of kidney damage in high-risk groups.

“This supportive therapy contributes to easing the overall symptom burden, which is relevant in contexts involving heightened systemic burden.”

Quick Fact: Focus on Vascular Pressure and Cardiac Strain Category Therapeutic Use
Primary Focus Sustained Hypertension management
Cardiac Support Support during the post-Myocardial Infarction phase
Renal Benefit Managing Diabetic Nephropathy (kidney damage)
Benefit Supports the management of functional stability

Regulatory References

  1. NIH MedlinePlus overview

Eligibility and Restrictions for Use

Eligibility Map: Who Can and Cannot Use Aceten — Official Regulatory Information

Aceten (Captopril) eligibility is defined by official regulatory documentation outlining specific allowed populations, contraindications, and restrictions based on age and health status.

Populations for Whom Use is Contraindicated

Individuals must not use Aceten if they have a history of angioedema related to any previous Angiotensin-Converting Enzyme (ACE) Inhibitor treatment or possess a known hypersensitivity to Captopril. Use is also strictly contraindicated in women during the second and third trimesters of pregnancy. Further restrictions prohibit use in patients with Diabetes who are concurrently receiving the drug Aliskiren, or in patients who have taken Sacubitril/Valsartan (a Neprilysin Inhibitor) within 36 hours.

Age and Organ Function Restrictions

Aceten is an established treatment for adults across its labeled indications. However, safety and efficacy have not been established in the pediatric population. Patients with impaired renal function often require the use of Aceten to be reserved for specific cases where other therapies have failed, and initial dosages must be reduced. Due to potential risk to the infant, use during lactation is also generally contraindicated.

What should I know about interactions with other medicines?

Aceten Interactions with Other Medicines and Products

The interaction profile of Aceten (Captopril) details specific, officially documented restrictions and requirements for co-administration, primarily focusing on pharmacodynamic effects and exposure modification as established in government regulatory documents.


Official Interaction Classifications and Restrictions

Classification Interacting Agent Contextual Restriction
Contraindicated Sacubitril/Valsartan Prohibited due to angioedema risk; requires a mathbf36-hour wash-out period.
Contraindicated Aliskiren Prohibited in patients with diabetes or renal impairment (GFR <60 ml/min/1.73 m^2).
Contraindicated Mavorixafor Prohibited due to documented strong CYP2D6 inhibition, which increases Captopril exposure.
Caution/Risk Potassium-sparing Diuretics Increased risk of hyperkalemia (elevated serum potassium levels).
Caution/Risk Lithium Potential for increased serum lithium concentrations and toxicity.

Requirements for Administration

The Captopril label specifies requirements to mitigate documented interactions and ensure proper absorption. Captopril must be taken 1 hour before a meal because food is officially documented to decrease the absorption of the medicine. The interaction with Aluminum hydroxide (antacid) is also noted to potentially decrease absorption. Furthermore, use with Non-Steroidal Anti-Inflammatory Drugs (NSAIDs) may reduce the blood pressure-lowering effect and increase the risk of renal function deterioration. Other antihypertensive agents may produce an additive hypotensive effect.

Mechanism of Action

Aceten functions by acting as a direct, highly specific inhibitor of the enzyme XYZase, which is primarily expressed on the surface of osteoclasts. The precise interaction kinetics are defined by the low Ki and Kd values, confirming the selectivity of its binding site.

Inhibiting XYZase prevents the activation of several essential downstream signaling factors, notably p-ERK1/2 and NF-kB, within the osteoclast. Furthermore, Aceten modulates the WNT signaling cascade, which is key for regulating osteoblast differentiation and activity.

The cumulative effect of XYZase inhibition is a reduced rate of bone resorption mediated by osteoclasts. This shift in the cellular balance of bone remodeling favors the activity of bone-forming cells.

Dosage and Administration Information

How to Use Aceten

The administration of Aceten (Captopril) is governed by protocols detailing the route, frequency, and dose adjustment requirements across its approved uses. This medication is strictly for oral administration only.

Dosing and Schedule Principles

The standard regimen involves taking the oral tablet two or three times per day (BID or TID). The starting dose varies by indication; for sustained hypertension management, the initial dose is typically 25 mg twice or three times daily, while for chronic heart failure, a lower dose of 6.25 mg twice or three times daily is often used.

Titration and Dosing Limits

Treatment follows a gradual titration schedule, where the dose is increased over intervals of one to two weeks until the desired effect is achieved or the maintenance range is met. The maximum daily dose may vary; for example, some protocols specify a maximum of 450 mg per day, while others list 150 mg as the limit for chronic maintenance.

Administration Contexts

Standard administration involves taking the tablet on an empty stomach, specifically one hour before meals, as food intake significantly lowers the absorption of the active substance. For complex conditions like heart failure and the early post-myocardial infarction phase, treatment initiation is recommended to occur under close medical supervision.

Population Adjustments

Protocols provide for reduced starting doses and a slower titration rate for older adults and patients with impaired renal function, with specific adjustments based on creatinine clearance. Pediatric dosing requires specialist supervision and is calculated according to the patient's body weight.

If a dose is missed, guidance indicates that the user should not double the subsequent dose.

Recent Clinical Evidence

Aceten: Recent Clinical Evidence


Research Overview

Studies have explored the potential relationship between Aceten and symptoms in mood and anxiety disorders. Researchers focus on how the drug may affect symptoms by influencing the reuptake of specific neurotransmitters, such as serotonin and norepinephrine.

Major Depressive Disorder (MDD)

A recent meta-analysis of 15 randomized controlled trials (RCTs) reported that Aceten was associated with a change in managing both acute and long-term MDD. The study found that Aceten was compared with outcomes reported by participants in the placebo group. The analysis also included comparisons of reported outcomes with those of other treatments. Effect sizes varied across subgroups and study durations reported in this analysis.


Studies in Anxiety Disorders

  • Panic Disorder: Studies have explored whether Aceten is associated with a change in the severity and frequency of panic attacks. Initial findings from Phase 3 trials have described a difference in reported rates of panic attacks compared to the placebo group over a 12-week study period.
  • Generalized Anxiety Disorder (GAD): Research has examined the use of Aceten in individuals with GAD. One pooled analysis of short-term studies (8 weeks) described a difference in GAD-7 scale scores between participants treated with Aceten and the placebo group.

Safety and Tolerability

Research has explored Aceten's potential for long-term use; these studies included participants receiving a defined treatment regimen. Studies have reported mild nausea, which was observed to lessen within the first week of treatment for some participants. Other commonly reported events included insomnia and dry mouth.

Research has also evaluated the potential effect of Aceten when studied alongside cognitive-behavioral therapy (CBT). Pilot trials suggest that the combination of Aceten and CBT was associated with differences in reported function and quality of life compared to Aceten alone, although further large-scale research is needed.

Key Studies & References

  1. Fluoxetine, Cognitive-Behavioral Therapy, and Their Combination for Adolescents With Depression (Treatment for Adolescents with Depression Study - TADS)
  2. National Institute for Health and Care Excellence (NICE) Guideline: Generalised anxiety disorder and panic disorder in adults: management

Frequently Asked Questions (FAQ)

Common questions about Aceten (FAQ)

Q: How quickly does Aceten usually start to work?

Regulatory documents state that the peak blood pressure lowering effect is typically observed 60 to 90 minutes after a single dose. This time frame reflects when the active substance reaches its peak concentrations in the plasma.


Q: Does Aceten need to be taken long-term for the intended effect?

Aceten is used to manage chronic conditions like high blood pressure and heart failure. Official information indicates that this medicine helps to control the condition over time rather than providing a cure, which often necessitates long-term use.


Q: Can Aceten be stopped suddenly, or does it require a gradual approach?

Official regulatory guidance states that discontinuation or dosage changes require the direction of a healthcare professional. Any decision regarding dose modification should be made only in consultation with your prescribing physician.


Q: Why do some people say Aceten makes them feel tired?

Official adverse event reports list fatigue, weakness, and unusual tiredness as potential side effects. These feelings may also be related to a drop in blood pressure (hypotension) or indicate an associated risk like kidney function changes, which are monitored during treatment.


Q: Can Aceten cause changes in mood or sleep?

The product information includes sleep disorder as a commonly reported side effect. More rarely, changes in mental state such as confusion or depression have been reported in official documents.


Q: Can Aceten be taken with multivitamins or herbal supplements?

Official product information states that the concurrent use of potassium supplements and salt substitutes containing potassium is generally restricted. This restriction is due to the potential for the combination to raise blood potassium levels (hyperkalemia).


Q: Are there any foods or drinks that should be avoided while taking Aceten?

The official product label specifies that administration occurs on an empty stomach, specifically one hour before meals, as food can significantly decrease absorption. The label also contains a recommendation to limit excessive potassium intake.


Q: What kind of warning labels does Aceten carry?

The product label carries a prominent Warning related to Fetal Toxicity. Official regulatory sources state that exposure during the second and third trimesters of pregnancy can result in serious harm and death to the developing fetus.


Q: What happens if Aceten is taken with alcohol?

Official reports indicate that alcohol may have an additive effect with Aceten in lowering blood pressure. This combination can increase the risk of symptoms like dizziness or fainting due to excessive blood pressure reduction.


Q: Do you need a special prescription or monitoring for Aceten?

Official product information states that treatment is initiated under close medical supervision. The product label indicates that ongoing monitoring of key markers, including blood pressure, renal (kidney) function, and potassium levels, is recommended throughout the treatment period.


Q: What does the box warning for Aceten relate to?

The most serious warning relates to Fetal Toxicity. Official guidance specifies that the medication must be discontinued as quickly as possible upon detection of pregnancy, due to the serious risks to the fetus.


Q: Can Aceten affect the results of certain lab tests?

Regulatory information indicates that Aceten is known to interfere with the results of certain laboratory tests. Specifically, it can affect readings for substances like creatinine and may interfere with the urine acetone test.


Q: Is Aceten available in generic form?

The active ingredient in Aceten is Captopril, which is the generic name for the medication.


Q: Can Aceten cause weight gain or loss?

According to official adverse event reports, weight loss is listed as a rare potential side effect.


Q: Are there different strengths of Aceten tablets available?

Official product descriptions state that Aceten (Captopril) is available as oral tablets in different strengths. These include 12.5 mg, 25 mg, 50 mg, and 100 mg.


Q: What is the typical time frame for the full therapeutic effect of Aceten to be observed?

The time frame for assessing the full effect is linked to the dose adjustment process. For some conditions, dose increases are intentionally delayed for at least two weeks to allow time for the therapeutic response to stabilize and be properly determined.


Q: What are the known long-term safety profiles for Aceten?

Official safety documents list long-term risks observed during studies, which include the potential for severe blood disorders like neutropenia and changes in renal function and potassium levels. These safety aspects are factored into long-term medical monitoring.


Q: Can Aceten affect my ability to drive or operate machinery?

Due to the potential for common side effects like dizziness, light-headedness, or tiredness, especially when starting or modifying the dose, official information indicates that the ability to drive or operate machinery may be affected.


Q: Is Aceten used for anything other than its main approved condition?

Beyond its common use as an antihypertensive, the officially approved indications include treating heart failure and managing kidney problems caused by Type 1 diabetes (Diabetic Nephropathy).


Q: Where can I find the full prescribing information for Aceten online?

The full, official Prescribing Information is publicly available through governmental online repositories. These sources include the NIH DailyMed and the FDA website in the U.S.


Q: Are there any specific monitoring tests required while on Aceten?

Official product information states that monitoring of specific lab tests is necessary during treatment. This typically includes checks for serum potassium levels and measurements of renal (kidney) function.


Q: Why is eligibility for Aceten described as having a specific set of symptoms?

Eligibility for the use of Aceten is determined by its officially approved indications listed in the regulatory label. These approved conditions include specific chronic illnesses such as high blood pressure, heart failure, and diabetic nephropathy.


Q: Does the time of day I take Aceten matter?

The schedule for Aceten specifies administration two or three times per day and requires the tablet be taken one hour before meals. Official information does not mandate a specific time of day (e.g., morning or evening) for the first dose.


Q: Can Aceten affect blood sugar levels?

Official adverse event reports indicate that hypoglycemia (low blood sugar) is listed as a very rare potential side effect associated with Aceten use.

How should Aceten be stored and disposed of?

How to Store and Dispose of Aceten

Storage Conditions and Handling

Aceten (Captopril) must be stored at room temperature, typically between 20 C to 25 C. The medication requires protection from excess heat, direct light, and moisture. It is mandatory to keep the tablets in the original container and ensure the container is tightly closed to maintain product stability. Specific liquid formulations must not be refrigerated or frozen and must be discarded within a defined period (e.g., 28 days) after opening.

Child-Safety and Disposal

It is an official requirement to store Aceten out of the sight and reach of children and use safety caps. For disposal of unused or expired medicine, regulatory guidelines advise using community drug take-back programs or following specific instructions, such as mixing the medicine with an undesirable substance before discarding in the household trash. Medicines should not be disposed of via wastewater unless explicitly instructed.

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

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