Selectol

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Selectol

Method of action: Antianginal, Hypotensive

Treatment option: Hypertension

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 Selectol

Property Description
Active ingredient Celiprolol hydrochloride
Form Tablet (Oral)
Pharmacological class Beta-adrenoceptor antagonist (Beta-blocker)
Common use Antihypertensive and Cardioprotective
Origin Synthetic compound

What Type of Medicine is Selectol and Its Composition?

Selectol is a prescription-only medication whose active ingredient is the synthetic compound Celiprolol hydrochloride. It is a single-ingredient product supplied as a solid tablet for oral administration. The medication is classified as a beta-adrenoceptor antagonist, more commonly known as a beta-blocker. Celiprolol is clinically recognized as a third-generation beta-blocker, characterized by its unique receptor-modulating profile, high selectivity, and other distinguishing properties. This medicine is distinct within its pharmacological class.

How Does Celiprolol Compare to Other Beta-Blockers?

Celiprolol is considered a third-generation beta-blocker, distinguished by its unique dual action that includes vasodilator effects. Celiprolol acts as a selective beta-1 antagonist, meaning it primarily targets beta1 receptors in the heart. However, it is differentiated from many older beta-blockers by possessing Intrinsic Sympathomimetic Activity (ISA) and direct vasodilator properties. Celiprolol promotes the relaxation of blood vessels in addition to its effects on cardiac receptors. The medication has a multifaceted mechanism of action that assists in widening vessels, a differentiating characteristic relevant for adult patients requiring comprehensive cardiovascular management.

What is the General Purpose of This Medication?

The general therapeutic purpose of Selectol is to reduce the workload on the heart and promote stable, efficient blood circulation. Functionally, Selectol is used within cardiovascular medicine as an antihypertensive agent. By simultaneously regulating the heart's rate and force while promoting the widening of blood vessels, the medication lessens the resistance within the circulatory system. This action is designed to stabilize cardiovascular dynamics, supporting the heart muscle and aiding in the management of elevated blood pressure, which is a typical use scenario for maintaining cardiac efficiency.

What side effects are possible with Selectol?

Possible Side Effects and Safety Information

The safety profile of Selectol (Celiprolol hydrochloride) is formally documented by regulatory agencies, classifying potential adverse reactions by frequency and the organ system affected. The majority of reported effects fall into the Common category, and these frequently observed reactions, such as dizziness, headache, and fatigue, are often more pronounced at the start of therapy.


Official Adverse Reaction Categories

Adverse effects are grouped according to the physiological system involved, including Nervous System Disorders (e.g., syncope, paresthesia), Cardiac Disorders (e.g., bradycardia, palpitations), and Gastrointestinal Disorders (e.g., nausea, dry mouth).

Classification Representative Adverse Effects
Common Dizziness, headache, fatigue, asthenia, nausea, dry mouth.
Rare Syncope, paresthesia, impotence, elevated liver enzymes.

Serious Safety Constraints and Population Notes

The official labeling documents certain risks considered clinically significant, such as severe bradycardia, bronchospasm, and the potential for exacerbation of heart failure. The medicine is contraindicated in conditions including severe hypotension, untreated pheochromocytoma, and decompensated heart failure. Specific safety considerations apply to patients with renal or hepatic impairment, where monitoring or dosage adjustments may be required, and for those with diabetes mellitus, due to the possibility of masking signs of acute hypoglycemia. Furthermore, abrupt cessation of the medication is restricted, particularly in patients with existing heart conditions, and requires a gradual reduction in dosage.

Overdose and Emergency Response

Overdose and When to Seek Help

Documented Overdose Manifestations

An overdose of Celiprolol hydrochloride (Selectol) primarily involves an exaggerated effect on the cardiovascular system. Officially documented clinical manifestations of overdose include bradycardia (slowed heart rate), hypotension (low blood pressure), dizziness, and vertigo. More severe presentations listed in regulatory documents include heart block, asystole (cardiac arrest), and bronchospasm (severe difficulty breathing). The physiological systems most affected are the cardiovascular and respiratory systems, with overdose potential stemming from acute or massive ingestion.

Emergency Actions and Required Care

Any suspected overdose event requires immediate medical attention. Regulators mandate that emergency services be contacted due to the potential for severe, life-threatening outcomes, such as profound cardiovascular depression, shock, or cardiac arrest. The official prescribing information states that no specific antidote is known for Celiprolol. Therefore, treatment is strictly symptomatic and supportive. Supportive measures described include gastric lavage, activated charcoal, intravenous fluid replacement, and the possible administration of Glucagon or other agents to counter severe effects. Hospital monitoring and continuous observation are required due to the risk of profound and persistent cardiovascular compromise. There are no explicit population-specific overdose notes in the official labeling.

Therapeutic Uses of Selectol

Main Uses and Benefits of Selectol

Selectol contains celiprolol, a medication classified as a cardioselective beta-blocker. It is primarily used to manage specific cardiovascular conditions by influencing how the heart and blood vessels respond to certain nerve impulses.

Essential Hypertension

The primary application of Selectol is the treatment of essential hypertension (high blood pressure). By modulating the activity of the heart and relaxing blood vessels, the medication helps to lower systemic blood pressure. Maintaining blood pressure within a target range is a fundamental aspect of long-term cardiovascular health management.

Angina Pectoris

Selectol is also used for the long-term management of angina pectoris, a condition characterized by chest pain or discomfort. Angina occurs when the heart muscle does not receive an adequate supply of oxygen-rich blood, typically during physical exertion or stress. Celiprolol works to reduce the heart's workload and oxygen demand, which helps to prevent the frequency and severity of angina attacks.

Therapeutic Profile

Unlike some other medications in its class, the active ingredient in Selectol possesses unique pharmacological properties:

  • Cardioselectivity: It primarily targets beta-1 receptors located in the heart, which minimizes its impact on the airways.
  • Partial Agonist Activity: It has mild stimulating effects on certain receptors (beta-2), which can help promote the dilation of blood vessels (vasodilation).
  • Lack of Membrane Stabilizing Activity: It manages heart rate and rhythm without significantly depressing the electrical conductivity of the heart muscle at therapeutic levels.

These characteristics contribute to the medication's ability to lower blood pressure and manage chest pain while maintaining a stable heart rate and peripheral circulation.

Eligibility and Restrictions for Use

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

The eligibility for Selectol (Celiprolol hydrochloride) is strictly defined by government regulatory documents, which establish the populations permitted to use the medicine and those for whom use is prohibited or restricted.

Category Official Regulatory Statement
Populations for whom use is allowed Adults with mild to moderate hypertension or chronic stable angina pectoris.
Populations for whom use is not recommended Children/Paediatric Population (Safety and effectiveness are not established); Patients with severe renal impairment (Creatinine clearance less than 15 ml/minute).
Populations for whom use is contraindicated Patients with: Second or third degree heart block; Severe bradycardia (le 50 beats per minute); Uncontrolled heart failure; Hypotension (<100 mmHg systolic); Acute asthma episodes/severe COPD; Metabolic acidosis; Untreated phaeochromocytoma; Severe peripheral arterial disease; or Hypersensitivity to the medicine.

Age-related eligibility rules define that only adults and older adults are eligible, with the geriatric population requiring close monitoring due to potential declines in renal or hepatic function. Condition-specific eligibility rules require restricted use and special surveillance for patients with moderate renal impairment (CrCl 15–40 ml/min), hepatic impairment, or well-controlled cardiac insufficiency. Pregnancy and lactation eligibility states the medicine should not be used during pregnancy unless no safer alternative exists, and it is generally not recommended for mothers who are breastfeeding.

What should I know about interactions with other medicines?

Selectol Interactions with other medicines and products

Selectol (celiprolol) may interact with various medicinal products and certain foods, requiring caution or avoidance of co-administration. These interactions are categorized based on their mechanism and potential effect on the body.

Cardiovascular-Related Interactions:

  • Calcium Channel Blockers: Co-administration with dihydropyridine derivatives (e.g., nifedipine) is not recommended due to an increased risk of hypotension and heart failure, particularly in susceptible patients. Non-dihydropyridine agents (e.g., verapamil and diltiazem) can also slow atrioventricular (AV) conduction and depress myocardial contractility. Close clinical and ECG monitoring is necessary if these combinations are used.
  • Other Agents: Combining Selectol with Digitalis glycosides may increase AV conduction time. Co-use with Fingolimod is not recommended as it may potentiate the effect of a slow heart rate (bradycardia), requiring careful monitoring if deemed necessary.

Pharmacokinetic Interactions:

  • P-glycoprotein (P-gp) Modulators: Drugs that inhibit P-gp, such as itraconazole, erythromycin, and clarithromycin, may significantly increase Selectol's plasma concentrations. Conversely, P-gp inducers like rifampicin and St. John's Wort may decrease Selectol concentrations, potentially necessitating a dosage adjustment when these agents are started or stopped.
  • Food and Beverages: Selectol is a substrate of certain intestinal uptake transporters (OATP). Citrus juices, including grapefruit juice and orange juice, can inhibit these transporters, leading to a marked reduction in Selectol absorption and effectiveness. Patients should be advised to avoid such beverages.

Mechanism of Action

How Selectol Works

Selectol exerts a targeted influence on key regulatory systems by operating within well-characterized molecular and physiological domains. Its mechanism is centered on precise intervention that modulates activity in overactive pathways, resulting in modulation of systemic responses.


Primary Target and Molecular Intervention

Selectol initiates its action by engaging defined biological targets, such as specific receptors or enzymes, acting as an agonist or antagonist to initiate or block core signaling events. This targeted intervention modifies the early molecular steps that shape systemic physiological outcomes. This mechanism is relevant in systems where targeted pathway adjustment occurs.


Modulating Signaling Cascades and Pathways

The initial molecular action triggers a sequence of downstream effects, altering signaling dynamics in defined neural and/or humoral pathways. Selectol acts within mechanistic cascades where particular mediators or transmitters dominate, influencing feedback regulation within the pathway. This allows the mechanism to modulate the regulation of processes driven by distinct signaling patterns.


Resulting Physiological Modulation

The collective effect of these mechanistic domains is to normalize or dampen excessive signaling, which results in dampening of overactive physiological responses. By influencing core mechanisms underlying the drug's effect profile, Selectol establishes a modulated state within targeted pathways, leading to resulting physiological adjustments that shape the overall action of the medication.

Dosage and Administration Information

How Selectol is Used

Selectol (celiprolol hydrochloride) is administered via the oral route as a film-coated tablet in strengths of 200 mg and 400 mg. The usage of this medication is highly structured by specific official administration and dosing principles.


Standard Dosing and Frequency

Treatment for chronic stable angina pectoris and mild to moderate hypertension typically begins with a dose of 200 mg taken once daily. The maximum labeled dose is 400 mg daily. If the clinical response is insufficient after two to four weeks, the dose may be increased to the maintenance maximum of 400 mg once daily.


Administration Context and Special Conditions

Usage Constraint Official Instruction
Timing Relative to Meals Must be taken one hour before meals or two hours after meals to ensure proper absorption.
Recommended Time of Day Should be taken on rising (in the morning).
Renal Function Adjustment For moderate renal impairment, the dosage must be reduced by half (e.g., to 100 mg daily).
Discontinuation Pattern Treatment must not be stopped abruptly. The dose requires gradual reduction over a period of 7 to 15 days.
Pediatric Use Use in children is not recommended.

These official instructions define the standardized approach to using Selectol, establishing the required frequency, the window for dose titration, and the specific patient conditions that necessitate a dose adjustment.

Recent Clinical Evidence

Recent Clinical Evidence

Overview of Clinical Research

Studies investigated the combination of X and Y, evaluating its effect on blood glucose levels in Type 2 Diabetes (T2D).

One pivotal study reported a finding that the combination was associated with a reduction in glycated hemoglobin (HbA1c) by an average of 1.5% over 6 months. A second large-scale randomized controlled trial (RCT) had comparable findings regarding this effect, and reported an observed change in fasting plasma glucose.

Research examined the potential for the combination to be used alongside metformin, the current standard of care. Studies found a statistically significant difference in the HbA1c reduction compared to placebo, consistent with the hypothesis that the combination could be used as an add-on therapy.


Safety and Patient Populations

Research has explored the findings across different patient populations, including those with kidney issues; studies examined the combination's findings within this group. Research into patients with pre-existing cardiovascular disease was also performed.

Research has also looked at cardiovascular outcomes, with some studies observing a change in cardiac stress markers in high-risk patients. However, it is not yet clear whether this translates into reduced long-term cardiovascular events.


Other Research Considerations

Research evaluated the combination’s potential for use as a first-line therapy for T2D, and its findings related to safety were also examined. Research examined this approach with respect to long-term glucose control.

Frequently Asked Questions (FAQ)

Common questions about Selectol (FAQ)

Q: What does the term 'beta-blocker' refer to in simple language?

Selectol belongs to a class of medicines known as beta-adrenoceptor blockers, or beta-blockers. Official descriptions state that the medicine works by blocking specific receptors in the heart and blood vessels. This action can cause the heart to beat more slowly and with less force, promoting regulated circulation.

Q: Can Selectol be used for conditions other than high blood pressure and angina?

According to official product information, the approved uses for Selectol are the treatment of mild to moderate high blood pressure (hypertension) and chronic stable angina pectoris in adults. While clinical research has explored its use in other specific cardiovascular-related conditions, these two are the established indications on regulatory labels.

Q: What is the key difference between a selective beta-1 blocker and a non-selective beta-blocker?

Selectol is classified as a selective beta-1 blocker, meaning its main action is focused on beta-1 receptors found primarily in the heart. Non-selective beta-blockers, conversely, affect both beta-1 receptors and beta-2 receptors, which are also located in the lungs and other areas of the body.

Q: How long after starting Selectol can a person expect to notice effects on their condition?

Official prescribing information indicates that a period of adjustment is typical when starting the medicine. The documents state that if the desired clinical response is not achieved after two to four weeks of treatment, the dose may be increased.

Q: What are the signs of a serious or allergic reaction to Selectol that require immediate attention?

Regulatory documents describe the potential for serious allergic reactions. Signs that are mentioned include developing a rash, experiencing problems with breathing or swallowing, or noticing swelling in the face, lips, throat, or tongue.

Q: Is Selectol considered a medication that needs to be taken for the long term?

Official information describes Selectol as a medicine intended for the long-term management of chronic conditions, such as high blood pressure and stable angina pectoris. Continued treatment is the usual approach for these conditions.

Q: What is meant by the 'rebound effect' that can occur when a beta-blocker is stopped abruptly?

Abrupt discontinuation of beta-blockers is restricted, especially for patients with existing heart conditions. This is because stopping suddenly may lead to a temporary worsening of the original symptoms, such as an increase in heart rate or blood pressure, which is sometimes referred to as a rebound effect.

Q: What is the recommended procedure described in official documents if a dose of Selectol is missed?

Regulatory-derived information states that if a dose is forgotten, the medicine can be taken as soon as it is remembered. However, if it is already the following day, the missed dose should be skipped, and two doses should never be taken at the same time to compensate.

Q: Are there any special instructions for swallowing Selectol tablets?

Official regulatory documents specify the administration method. The tablets should be swallowed whole with a drink of water.

Q: Are there reports that Selectol can cause changes in sleep patterns or vivid dreams?

The regulatory safety profile lists several adverse effects related to sleep. These include sleep disturbances, difficulty falling or staying asleep (insomnia), and feeling overly sleepy (somnolence).

Q: Can Selectol cause the feeling of coldness or numbness in the fingers and toes (Raynaud's phenomenon)?

Official safety information mentions that special surveillance and caution may be advised for patients with existing poor blood circulation, such as those with late-stage peripheral arterial occlusive disease or Raynaud's syndrome.

Q: Are changes in mood or feelings of depression reported as a side effect of Selectol?

Yes, the regulatory safety documentation for Selectol includes depression in its list of potential adverse reactions. It is classified as a rare side effect.

Q: Can Selectol use be associated with hair loss or skin rashes?

Skin rashes and excessive itching are classified as common adverse effects. Hair loss is also mentioned in regulatory materials, specifically as a potential symptom of a very rare, serious condition (Systemic Lupus Erythematosus) that has been linked to the medicine.

Q: What is the potential interaction between Selectol and common anti-inflammatory medications (NSAIDs)?

Official regulatory information indicates that Non-Steroidal Anti-Inflammatory Drugs (NSAIDs), which include many common anti-inflammatory pain medications, may reduce the blood pressure-lowering effect of Selectol.

Q: Is it generally considered compatible to consume alcohol while taking Selectol?

Regulatory-derived patient information addresses the use of alcohol. Alcohol can increase the blood pressure-lowering effect of Selectol, and this combination may potentially lead to side effects such as dizziness.

Q: Are there specific over-the-counter products, like cough or cold remedies, that may interact with Selectol?

Patient information derived from regulatory sources advises caution regarding over-the-counter products. It notes that some products, including certain cold or flu remedies, may not be suitable to take concurrently with Selectol.

How should Selectol be stored and disposed of?

How to Store and Dispose of Selectol

Official regulatory documents define strict requirements for storing and discarding Selectol (celiprolol) tablets to maintain product stability.


Storage Conditions

Selectol must be stored below 25 C, and should not be stored above 25 C. The medicine must be kept in its original package to ensure proper protection until the expiry date (EXP) stated on the carton. It is a mandatory requirement to keep this medicine out of the sight and reach of children.


Disposal Instructions

Medicines should not be disposed of via wastewater or household waste to protect the environment. When the product is expired or no longer needed, it is advised to consult a pharmacist for guidance on proper disposal procedures.

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

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