Атаканд

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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 Атаканд

Quick Facts

Property Description
Active Ingredient Candesartan cilexetil
Form Oral, film-coated tablet
Pharmacological Class Angiotensin II Receptor Blocker (ARB)
Common Use Cardiovascular support, blood pressure management
Origin Synthetic compound (non-peptide tetrazole derivative)

1. What Type of Medicine is Атаканд (Candesartan cilexetil)?

Атаканд is a prescription-only, synthetic pharmaceutical product that belongs to the Angiotensin II Receptor Blocker (ARB) pharmacological class. The preparation is a single-ingredient drug containing the active substance Candesartan cilexetil. This compound functions through selective action on the AT1 receptor. Candesartan cilexetil is classified as a pro-drug, meaning it requires conversion within the body to its therapeutically active form, Candesartan, after being absorbed. This places Атаканд within the SARTAN group of medications, which are fundamental tools for cardiovascular management.

2. Physical Form and General Therapeutic Purpose

Атаканд is supplied as an oral, film-coated tablet, a form specifically designed to ensure systemic administration and consistent absorption for stable blood pressure control over a 24-hour period. The general therapeutic purpose of the medication is to provide sustained cardiovascular support by systematically reducing the physical workload on the heart. Candesartan is used for the management of essential hypertension.

3. How Does the ARB Class Differ from Other Heart Medications?

The Angiotensin II Receptor Blocker (ARB) class differentiates itself by targeting the AT1 receptor, which mediates the major biological effects of Angiotensin II. Unlike medications like ACE inhibitors, ARBs selectively block the receptor itself. This selective antagonism interrupts the signaling pathway that causes blood vessels to constrict. This specific action reinforces the drug’s identity as a highly precise agent for achieving controlled, stable blood pressure management, providing an alternative for patients who may not tolerate ACE inhibitors.

Regulatory References

  1. NIH Bookshelf

What side effects are possible with Атаканд?

Possible Side Effects and Safety Information

The official safety profile for Атаканд (Candesartan cilexetil) is established by government regulatory agencies, such as the European Medicines Agency (EMA) and the U.S. Food and Drug Administration (FDA). Potential effects are formally classified by frequency and affected body systems.


Frequency-Classified Adverse Reactions

The regulatory documents classify adverse reactions into defined frequency categories. Effects classified as common (occurring in 1 out of 100 to 1 out of 10 people) typically include headache, dizziness, and upper respiratory tract infections. Effects categorized as very rare (occurring in less than 1 out of 10,000 people) include severe reactions like angioedema (swelling of the face, lips, and throat), agranulocytosis (a severe decrease in white blood cells), and hepatitis (liver inflammation).


System-Organ-Class Grouping and Serious Reactions

The documented effects span several System-Organ Classes, notably affecting the Nervous System (dizziness, headache), Vascular System (hypotension), Metabolism and Nutrition (electrolyte imbalances like hyperkalaemia), and Renal and Urinary Systems (impaired renal function). Acute renal failure is listed as a serious adverse reaction.


Safety Constraints and Population Notes

The safety profile includes specific contraindications and constraints. The medicine is contraindicated during the second and third trimesters of pregnancy due to the risk of fetal injury and is also prohibited in patients with severe hepatic impairment or cholestasis. Furthermore, official labeling notes that effects like hypotension and dizziness are documented to occur more often following the first dose or when the dosage is increased. Patients with heart failure or renal impairment are noted to have an increased risk of hyperkalaemia (elevated potassium) and impaired renal function.

Overdose and Emergency Response

The official regulatory documents regarding an overdose of Candesartan cilexetil (Атаканд) consistently focus on the physiological consequences of excessive blood pressure reduction. The most likely clinical manifestations documented in regulatory prescribing information are hypotension (abnormally low blood pressure) and dizziness. Potential cardiovascular signs that may also occur include changes to heart rhythm, specifically tachycardia (fast heart rate) or bradycardia (slow heart rate).

In all suspected overdose situations, emergency medical care must be sought immediately. Regulatory guidance requires that if symptomatic hypotension occurs, supportive treatment should be instituted immediately, and vital signs must be monitored. Official protocols mandate that a Regional Poison Control Center be contacted for guidance on current treatment strategies.

Management measures described are supportive and designed to counteract the low blood pressure. If symptomatic hypotension persists, the patient should be placed in a supine position with legs elevated. Further action may include increasing plasma volume through the infusion of isotonic saline solution. The drug cannot be removed by hemodialysis due to its extensive plasma protein binding. There is no specific antidote listed in official regulatory texts.

Therapeutic Uses of Атаканд

What Атаканд Treats: Main Uses and Benefits

The therapeutic applications of Атаканд (candesartan) are used to help manage two critical, long-term cardiovascular conditions. This medicine is relevant for use in conditions including high blood pressure (hypertension) and heart failure, where it is applied across domains where additional symptomatic support is needed.


Managing High Blood Pressure (Hypertension)

Candesartan is commonly used to help address elevated blood pressure, which often presents without noticeable symptoms but creates noticeable physiological strain on the cardiovascular system. It is relevant for easing symptoms related to heightened physiological activity, which assists with maintaining functional stability and generally contributes to easing the overall symptom load, and is relevant in contexts involving heightened systemic burden.

“It is applied across domains where additional symptomatic support is needed.”

Supporting Heart Failure Symptoms

In contexts of heart failure, this medicine is applied to manage clusters of symptoms that interfere with daily functioning, such as shortness of breath or fluid retention. Its use supports the patient during difficult episodes, assists with maintaining functional stability during symptomatic episodes, and contributes to improved day-to-day comfort during periods of heightened symptoms.

Quick Fact: Commonly used when symptoms create Noticeable Physiological Strain Candesartan is considered relevant in clinical settings marked by temporary physiological imbalance, where symptoms create noticeable physiological strain.

Eligibility and Restrictions for Use

Atacand (candesartan) is primarily prescribed for adults to treat high blood pressure (hypertension) and heart failure. It may also be used for hypertension in children and adolescents aged 6 to less than 18 years.


Contraindications and Groups Who Should Not Use Atacand

Atacand should not be used in the following circumstances or patient groups:

Condition / Group Reason for Contraindication
Pregnancy Can cause serious harm or death to the developing fetus, particularly in the second and third trimesters. It must be discontinued as soon as pregnancy is detected.
Breastfeeding Use is generally not recommended as it is unknown if it is safe for the infant.
Severe Liver Disease Specifically, conditions related to impaired bile flow (biliary obstruction/cholestasis) are contraindications.
Allergy Individuals with a known hypersensitivity or allergy to candesartan cilexetil or any other ingredients in the tablets.
Concurrent use with Aliskiren Must not be used in patients with diabetes or kidney impairment who are also taking the blood pressure-lowering medication aliskiren.
Children under 1 year of age Due to potential effects on the development of immature kidneys.

Use is generally safe for the elderly, but a doctor should use caution and may need to adjust the dose, especially if age-related kidney issues are present. Patients with conditions like kidney disease, severe heart failure, or volume/salt depletion (due to dialysis, severe vomiting, or diarrhea) should be closely monitored by a healthcare provider.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile of Candesartan cilexetil is primarily characterized by pharmacodynamic effects related to blood pressure and electrolyte balance, rather than significant metabolic interactions.


Official Interaction Statements

Category Documented Interaction Pattern
Contraindicated Co-administration The combination with Aliskiren-containing products is restricted and contraindicated in patients with diabetes mellitus or established renal impairment (GFR below 60 mL/min/1.73 m^2).
Potassium-Related Interactions Co-administration with Potassium-Sparing Diuretics (e.g., Spironolactone, Amiloride) or Potassium Supplements is associated with an increased regulatory risk of hyperkalemia (elevated serum potassium).
Efficacy Modification Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), including selective COX-2 inhibitors, may reduce the antihypertensive effect of Candesartan and increase the risk of decreased renal function.
Exposure Modification Concomitant use with Lithium can increase the plasma concentration and potential toxicity of the co-administered Lithium.
Metabolic Potential Official regulatory documents indicate a minimal potential for Candesartan cilexetil to be involved in clinically significant drug-drug interactions mediated by the Cytochrome P450 (CYP) enzyme system.

This structure reflects the focus of regulatory agencies on clinically relevant changes to electrolyte balance, blood pressure control, and the documented constraints within specific patient populations under dual-therapy regimens.

Mechanism of Action

How Атаканд Works

Atacand (candesartan) operates as a selective, competitive antagonist of the angiotensin II type 1 ( AT1) receptor . This receptor is a G-protein coupled receptor critical for mediating the major biological effects of the potent vasoconstrictor, angiotensin II, particularly in vascular smooth muscle and the adrenal glands. Candesartan binding prevents angiotensin II from activating the AT1 receptor.

This blockade disrupts the signaling cascade by inhibiting the AT1-mediated increase in intracellular calcium, thereby preventing vasoconstriction and subsequent vascular smooth muscle contraction. Furthermore, by blocking this receptor, the drug inhibits the angiotensin II-stimulated synthesis and release of aldosterone from the adrenal cortex. The resultant decrease in aldosterone activity leads to decreased sodium and water reabsorption in the renal tubules, which is a physiological consequence affecting circulating fluid volume and total peripheral resistance.

Dosage and Administration Information

How to Use Атаканд (Candesartan cilexetil)

Атаканд is administered exclusively by the oral route, primarily supplied as film-coated tablets in four strengths: 4 mg, 8 mg, 16 mg, and 32 mg. The medicine is generally intended for once-daily administration. The tablets may be taken with or without food, as the presence of food does not significantly affect the drug's bioavailability.


Dosing Regimens and Titration

Standard dosing is individualized, based on the specific condition and patient tolerance:

Indication Starting Dose (Adult) Target/Maximum Dose (Adult) Titration Schedule (Heart Failure)
Hypertension 16 mg once daily 32 mg once daily Adjustment based on blood pressure response.
Heart Failure 4 mg once daily 32 mg once daily Dose is doubled at approximately two-week intervals.

For most patients, the maximum antihypertensive effect is typically observed within four to six weeks of initiating treatment. The long-term use for these chronic conditions dictates consistent daily dosing.


Population-Specific Instructions

A lower initial dose (e.g., 4 mg or 8 mg) is typically considered for specific patient groups, including those with hepatic impairment or those who are volume-depleted. For older adults (65 years and over), a routine initial dose adjustment is generally not required. Pediatric patients aged 1 to < 6 years require the use of an oral suspension prepared from the tablets, with weight-based dosing.

If a dose is missed, the next dose should be taken at its regularly scheduled time, maintaining the once-daily pattern.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Атаканд

Research evidence is drawn from official government sources and peer-reviewed scientific literature. Findings describe group patterns observed in highly controlled clinical trials and reflect specific study conditions, not individual outcomes or clinical predictions.


Evidence Base for Managing High Blood Pressure (Essential Hypertension)

Research for high blood pressure was primarily conducted using short-term, randomized controlled trials (RCTs). These studies were designed to measure changes in trough sitting systolic and diastolic blood pressure (SBP and DBP), which are considered primary outcomes reflecting physiological strain or stress.

Findings report patterns observed in the studies, describing changes measured during the study period when Candesartan was evaluated compared to a placebo. The measured magnitude of the blood pressure changes was associated with the administered dose in the study populations.

However, these studies primarily focused on short-term blood pressure measurements (a surrogate endpoint). While they provided measurements of blood pressure change, there is limited information for long-term outcomes related to the prevention of major cardiovascular events directly within these early trials.


Evidence Base for Supporting Chronic Heart Failure Symptoms

Research supporting this use involves large-scale, long-term, randomized, double-blind, placebo-controlled trials. Researchers monitored hard clinical outcomes related to systemic or functional imbalance. Primary outcomes studied were typically a composite of cardiovascular death or hospitalization for heart failure, alongside outcomes reflecting daily functioning.

The major research programs explored the incidence of these composite endpoints. The studies reported differences in these observed incidence patterns when comparing the Candesartan group to the placebo group. The evidence is referenced by regulators in the context of managing functional stability in this condition.

What remains uncertain is the research base for specific patient subsets. For individuals with heart failure where the heart's pumping ability is preserved (preserved ejection fraction or HFpEF), the findings were mixed, and certainty remains low regarding the same hard clinical outcomes when compared to patients whose pumping ability is reduced.

Frequently Asked Questions (FAQ)

Common questions about Атаканд (FAQ)

Q: Does taking Атаканд mean I have to limit potassium in my diet?

A: Official product information notes that Candesartan can increase the risk of having hyperkalemia, which is an elevated level of potassium in the blood. This risk is primarily highlighted when the medicine is taken concurrently with potassium-sparing diuretics (water pills that conserve potassium) or potassium supplements. Awareness of this potential effect is noted in official sources, and any specific dietary changes are intended to be discussed with a healthcare professional.

Q: How does Атаканд compare to ACE inhibitors in terms of side effects?

A: Regulatory information indicates that the Angiotensin II Receptor Blocker (ARB) class, to which Атаканд belongs, is often used as an alternative for patients who may not tolerate ACE inhibitors. ARBs are generally less associated with the side effect of persistent cough. Both classes of medicine have been linked to the serious, but rare, side effect of angioedema (swelling of the face, lips, or throat).

Q: Can older people use Атаканд?

A: Official labeling states that a routine initial dose adjustment is not typically required for older adults (65 years and over). However, regulatory guidance notes that caution and close monitoring may be required by a healthcare provider, particularly for those with age-related kidney issues or other specific conditions.

Q: What does the research say about Атаканд and protection against stroke?

A: Studies on Candesartan use, such as the SCOPE trial conducted in hypertensive patients aged 70 or older, have investigated its effect on cardiovascular events. This research reported a reduction in stroke incidence within the specific study populations examined. The evidence is referenced by regulatory bodies in the context of cardiovascular risk management.

Q: Can a person stop taking Атаканд suddenly?

A: Official information strongly advises against suddenly stopping the medicine without consulting a healthcare professional. Abrupt discontinuation of blood pressure medication may lead to an undesirable rise in blood pressure or other adverse effects. Any decision regarding cessation of the medicine must be guided by a prescribing clinician.

Q: Is it safe to drive or operate machinery while taking Атаканд?

A: Official instructions advise caution because side effects like dizziness or lightheadedness can occur, particularly after the first dose or when the dosage is increased. Official guidance notes that if these effects occur, driving or operating machinery is to be avoided until the person knows how the medicine affects them.

Q: What are the most commonly reported side effects in studies of Атаканд?

A: Regulatory documents classify potential effects by frequency. Adverse reactions considered common (affecting up to 10 users in 100) typically include headache, dizziness or a spinning sensation, and upper respiratory tract infections.

Q: Is Атаканд the same as other blood pressure pills?

A: No. Атаканд contains the active substance Candesartan cilexetil, which belongs to the specific drug class known as Angiotensin II Receptor Blockers (ARBs). This is one of several drug classes used to manage blood pressure, and it works differently from other types of blood pressure medication, such as ACE inhibitors or calcium channel blockers.

Q: Does Атаканд cause tiredness or fatigue?

A: Regulatory documents mention tiredness and weakness as potential adverse reactions. These symptoms are often associated with changes in electrolyte balance, such as high potassium or low sodium, which are listed as common or very rare side effects.

Q: Can Атаканд be taken with ibuprofen or other common pain relievers?

A: Official warnings state that Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), which includes common pain relievers like ibuprofen, may interact with Candesartan. This combination may reduce the blood pressure-lowering effect of the medicine and increase the risk of decreased kidney function.

Q: Is it normal to feel dizzy when first taking Атаканд?

A: Yes, dizziness is described in regulatory documents as a common side effect. Official safety information notes that effects like dizziness are documented to occur more often following the first dose or when the dosage is increased. This is a known initial effect related to the reduction in blood pressure.

Q: Does Атаканд affect kidney function over time?

A: Regulatory information notes that the medicine can have effects on kidney function. In very rare cases, severe adverse reactions such as acute kidney failure may occur, particularly in patients who have existing heart or kidney problems. Monitoring of kidney function is often undertaken during treatment, according to regulatory notes.

Q: Can Атаканд be used for conditions other than high blood pressure?

A: Yes. While its primary use is to treat high blood pressure (hypertension), regulatory agencies have also approved the medicine to manage symptoms related to chronic heart failure.

Q: Can Атаканд cause swelling in the legs or ankles?

A: Official safety data lists angioedema (swelling of the face, lips, or throat) as a serious, very rare reaction. Additionally, some patient information sources note that swelling of the hands, feet, or ankles may occur as an uncommon or serious side effect that should be monitored.

Q: Are there any foods or drinks that should be avoided when taking Атаканд?

A: Official warnings caution against the use of potassium-containing salt substitutes or supplements due to the risk of hyperkalemia. Furthermore, regulatory information notes that consuming alcohol may have additive effects in lowering blood pressure, potentially increasing the risk of dizziness or lightheadedness.

Q: Will Атаканд interfere with sleep?

A: Regulatory documents indicate that trouble sleeping (insomnia) and sleep disorder have been reported as adverse reactions. These effects are classified as very rare in patients taking Candesartan.

Q: Is Атаканд safe to take long-term, for many years?

A: The medicine is intended for the long-term use required to manage chronic conditions like hypertension and heart failure. Regulatory approval is based on clinical data from trials, including those lasting one year or longer, with established protocols for monitoring safety and effectiveness.

Q: Are there specific symptoms that indicate an allergic reaction to Атаканд?

A: Official documents list signs of a serious allergic reaction that require immediate medical attention. These symptoms can include the onset of swelling of the face, lips, tongue or throat (angioedema), and experiencing difficulty breathing or swallowing.

Q: How quickly does Атаканд leave the body?

A: Technical information provided in regulatory documents describes the medicine’s elimination using a measurement called the half-life, which is approximately 9 hours. The half-life refers to the time it takes for the body to remove half of the active substance from the circulating system.

Q: Is Атаканд associated with liver problems?

A: Regulatory information notes that changes in how the liver is working, including hepatitis (liver inflammation), have been reported as a very rare side effect. Additionally, the medicine is contraindicated (should not be used) in patients who have severe liver disease.

Q: Does Атаканд make people feel short of breath?

A: Shortness of breath or difficulty breathing is mentioned in official documents as a symptom associated with a serious allergic reaction (angioedema). It is also sometimes listed in the context of overdose or severe kidney issues.

Q: Can Атаканд be taken alongside other heart medications like beta-blockers?

A: Official interaction checkers have generally shown no known interactions with common beta-blockers (e.g., metoprolol). The medicine has been studied in combination with other heart drugs, suggesting co-administration is possible under medical supervision.

Q: Can Атаканд cause muscle pain or cramping?

A: Muscle pain (myalgia) and back pain are listed in regulatory documents as potential adverse reactions. Muscle cramps can also be a symptom of a severe decrease in sodium in the blood, which is described as a very rare adverse reaction.

Q: Does taking Атаканд affect blood sugar levels?

A: Official warnings note that using the medicine together with insulin or certain other diabetes medications may increase the risk of hypoglycemia (low blood sugar). For individuals with diabetes, close monitoring of blood sugar levels is noted in regulatory warnings when taking this medicine with insulin or certain diabetes drugs.

Q: Why is Атаканд sometimes combined with a diuretic in one pill?

A: Combination tablets exist for patients who require both Candesartan and a diuretic (a medicine that increases urination) for their blood pressure control. This combination is common practice to achieve a greater blood pressure-lowering effect than either medicine alone, simplifying the patient’s regimen.

Q: Is Атаканд widely used internationally, according to health agencies?

A: Yes. The medicine is approved and used in multiple jurisdictions globally. Its regulatory acceptance is confirmed by its presence in major markets, including the European Union (EMA), the United States (FDA), Canada (Health Canada), and Australia (TGA).

How should Атаканд be stored and disposed of?

How to Store and Dispose of Атаканд

The storage and disposal of Атаканд (candesartan cilexetil) must strictly follow the requirements set by regulatory authorities to maintain its stability.

Storage Requirements

Condition Requirement
Temperature Store at room temperature, typically below 30 C (86 F).
Protection Keep in the original container, tightly closed, and away from excess heat and moisture. Do not freeze.
Child Safety Mandatory to keep the medication out of the sight and reach of children.

Disposal Instructions

Unused or expired product must not be disposed of via wastewater or household waste due to environmental concerns. Consult a healthcare professional or pharmacist on how to safely discard the medicine according to local regulations.

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

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