Temerit

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Temerit

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 Temerit

Understanding Temerit

Temerit is a cardiovascular medication primarily classified as a highly selective beta-1 adrenergic receptor antagonist, often referred to as a beta-blocker. It is used to manage certain conditions affecting the heart and blood vessels.

Mechanism of Action

The active ingredient in Temerit works by blocking the action of specific natural chemicals in the body, such as adrenaline, on the heart and blood vessels. This action results in several physiological effects:

  • Heart Rate Reduction: It helps slow the heart rate, allowing the heart to beat more regularly and efficiently.
  • Vasodilation: Unlike many traditional beta-blockers, Temerit possesses unique properties that promote the relaxation of the inner muscles of the blood vessels. This causes the vessels to widen, which facilitates smoother blood flow.
  • Blood Pressure Management: By reducing the force and rate of heart contractions and widening the blood vessels, the medication helps to lower blood pressure.

Therapeutic Use

Temerit is typically prescribed for the management of essential hypertension, which is high blood pressure with no identifiable secondary cause. By maintaining blood pressure within a more typical range, the medication helps reduce the workload on the cardiovascular system.

Additionally, it may be used as a part of a management plan for chronic heart failure. In these instances, it is often used in conjunction with other standard therapies to support overall heart function and improve the patient's quality of life. The medication is designed for long-term management rather than acute symptom relief.

Regulatory References

  1. Nebivolol: MedlinePlus Drug Information

What side effects are possible with Temerit?

Possible Side Effects and Safety Information

The safety profile for Temerit (Nebivolol) is officially classified by government regulatory authorities based on the frequency and the System-Organ Class (SOC) of the documented adverse reactions. These classifications define the officially recognized risks associated with the medicine.


Adverse Reactions by Frequency and System

System-Organ Class Common (ge 1/100 to < 1/10) Uncommon (ge 1/1,000 to < 1/100)
Nervous System Disorders Headache, Dizziness, Paraesthesia Syncope
Gastrointestinal Disorders Constipation, Nausea, Diarrhea Dyspepsia, Flatulence, Vomiting
General Disorders Tiredness (Fatigue), Edema (swelling)
Cardiac & Vascular Disorders Bradycardia (slow heart rate), Hypotension (low blood pressure), Worsening heart failure

Very rare adverse reactions documented in the regulatory label include the aggravation of Psoriasis. Reactions such as Angioedema and Hypersensitivity are also noted from post-marketing experience, for which a reliable frequency cannot be estimated (Not Known).


Serious Safety Patterns and Constraints

The medicine's regulatory documents highlight safety limitations based on the drug's action as a beta-blocker. Use is contraindicated in patients with pre-existing conditions such as decompensated cardiac failure, severe bradycardia, second or third degree AV-block (without a pacemaker), and severe hepatic impairment.

A serious safety pattern is tied to treatment exposure: the abrupt cessation of Temerit, particularly in individuals with existing coronary artery disease, is officially associated with the risk of severe exacerbation of angina or myocardial infarction. The label also notes that the medication may mask symptoms of hypoglycemia.

Overdose and Emergency Response

The official regulatory profile for Temerit (Nebivolol) overdose is defined by the acute exacerbation of its core effects, primarily manifesting as severe cardiovascular depression.

Overdose Manifestations

Documented overdose presentations primarily involve signs of cardiovascular system distress. These manifestations include marked bradycardia (abnormally slow heart rate), hypotension (low blood pressure), and heart block (a cardiac conduction disturbance). Systemic and neurological findings may also occur, with symptoms such as dizziness, vomiting, fatigue, and potentially severe outcomes like hypoglycemia (low blood sugar), bronchospasm, or a progression to cardiac failure or cardiogenic shock.

When to Seek Urgent Help

The regulatory labeling mandates immediate action due to the potential for life-threatening manifestations. Immediate medical attention must be sought if an overdose is suspected. The official guidance instructs contacting the National Poison Control Center at 1-800-222-1222 for the most current information on management, or calling emergency services in the event of collapse or other critical symptoms.

Management and Antidote Status

Overdose management, as outlined in official documentation, is symptomatic and supportive, tailored to address the specific clinical signs present. No specific antidote for Nebivolol is documented in the labeling. Interventions may include administering Intravenous Atropine for documented bradycardia or using bronchodilators for bronchospasm. Continuous observation is required until clinical stability is confirmed.

Therapeutic Uses of Temerit

What Temerit treats: main uses and benefits

Temerit is a medication containing the active substance nebivolol, which belongs to a class of drugs known as beta-blockers. It is primarily used to manage conditions affecting the cardiovascular system by modulating how the heart and blood vessels function.

Treatment of High Blood Pressure (Hypertension)

The most common use for Temerit is the treatment of essential hypertension, which is high blood pressure with no identifiable cause. It works by preventing an increased heart rate and controlling the force with which the heart pumps. Additionally, nebivolol has a specific property that helps dilate the blood vessels, which assists in lowering blood pressure levels.

Management of Chronic Heart Failure

Temerit is also used as a part of the standard treatment for stable chronic heart failure. It is typically prescribed for patients, including those aged 70 and over, to be used alongside other therapies. In this context, the medication helps to improve the heart's efficiency and can reduce the frequency of hospitalizations related to heart failure symptoms.

Benefits of Treatment

By managing blood pressure and heart function, the medication aims to achieve several therapeutic goals:

  • Cardiovascular Protection: Long-term control of high blood pressure helps reduce the risk of serious complications, such as stroke or heart attack.
  • Improved Cardiac Efficiency: In heart failure, the medication helps the heart pump more effectively over time.
  • Vasodilation: Unlike some older beta-blockers, the active ingredient in Temerit aids in relaxing the walls of the blood vessels, which can result in smoother blood flow.

Regulatory References

  1. NIH MedlinePlus Drug Information on Nebivolol

Eligibility and Restrictions for Use

The eligibility for Temerit (Nebivolol) is strictly determined by official regulatory labeling, defining populations that are permitted, restricted, or absolutely prohibited from using the medicine.

Eligibility Scope

Category Official Regulatory Classification
Populations for Whom Use Is Allowed Adults (18+ years). Elderly patients (aged ge 70 years) for stable chronic heart failure.
Populations for Whom Use Is Not Recommended Children and adolescents (under 18 years); safety and efficacy are not established. Use during pregnancy and lactation.
Populations for Whom Use Is Contraindicated Patients with severe bradycardia, second or third-degree heart block (without a pacemaker), cardiogenic shock, decompensated heart failure, or Sick Sinus Syndrome (without a pacemaker).

Eligibility Classifications (High-Level)

Classification Official Regulatory Wording
Eligibility Severity Classification Contraindicated, Not Recommended, Conditional Use.
Eligibility-Context Constraints Cardiovascular Status, Severe Organ Impairment (Hepatic/Renal), Age, Hypersensitivity.

Resulting Eligibility Structure

Official eligibility statements:

  • Use is prohibited in patients with severe hepatic impairment (Child-Pugh > B) and in those with a history of bronchial asthma.
  • The drug is contraindicated in cases of severe peripheral circulatory disturbances.
  • Patients with severe renal impairment require conditional use with specific caution.

Connection to the overall eligibility profile Official regulatory documents define non-eligibility through a mandatory list of absolute prohibitions related primarily to cardiac instability and severe liver dysfunction. For all other populations, eligibility is defined by established adult use, while use in pediatric and reproductive groups is officially designated as not established or not recommended.

What should I know about interactions with other medicines?

The official regulatory profile for Temerit (Nebivolol) outlines specific interactions related to drug metabolism and additive cardiac effects, necessitating administration rules and restrictions.

Metabolic and Exposure-Altering Interactions

Nebivolol is extensively cleared by the CYP2D6 enzyme. Co-administration with strong CYP2D6 inhibitors (e.g., Paroxetine, Fluoxetine, Propafenone) may lead to significantly increased Nebivolol plasma concentrations due to reduced metabolic clearance. The strong inhibitor Mavorixafor is formally contraindicated by the FDA due to the potential for excessive exposure. This metabolic dependence also means that Nebivolol exposure is substantially increased in individuals who are genetically classified as CYP2D6 Poor Metabolizers.

Cardiovascular and Pharmacodynamic Effects

Combinations with other agents that slow heart rate or depress heart function carry an officially documented risk of excessive effects:

Interacting Class Documented Outcome
Verapamil- or Diltiazem-type Calcium Channel Blockers Risk of excessive reductions in heart rate and contractility.
Digitalis Glycosides Increased risk of bradycardia by slowing atrioventricular conduction.
Non-Steroidal Anti-Inflammatory Drugs ( NSAIDs) May result in a loss of the antihypertensive effect.

Administration Restrictions

Nebivolol's systemic absorption can be interfered with by certain substances. Aluminum Hydroxide-containing Antacids must be administered at least two hours apart from Nebivolol to prevent decreased systemic exposure. The regulatory label notes that co-administration with food or alcohol does not significantly affect the drug's pharmacokinetics.

Mechanism of Action

How Temerit Works

The mechanism of Temerit (Nebivolol) involves a dual, complementary action mediated by its two stereoisomers. The D-stereoisomer achieves highly selective blockade of beta1-adrenergic receptors in the heart. This antagonism dampens sympathetic signaling, leading to negative chronotropy (slowing the heart rate) and negative inotropy (reducing contractile force), thereby reducing the determinants of myocardial oxygen consumption. Concurrently, it suppresses renin release to influence activity within the neurohormonal RAAS pathway.

The L-stereoisomer provides the unique vascular component by stimulating beta3-adrenergic receptors located on the vascular endothelium. This action activates Endothelial Nitric Oxide Synthase (eNOS) enzyme, which significantly increases the local production of Nitric Oxide (NO). This cascade results in vasodilation (arterial relaxation) and a reduction in systemic vascular resistance. This synergy allows for an integrated adjustment of cardiac output and peripheral resistance.

Dosage and Administration Information

How to use Temerit

Temerit (Nebivolol) is officially administered via the oral route as a tablet, available in strengths such as 2.5 mg, 5 mg, 10 mg, and 20 mg. The medication is taken once daily, with administration permitted with or without food. Consistency is maintained by taking the tablet at the same time each day.

The usage protocol involves a slow, carefully titrated dosing approach. For the management of essential hypertension, the typical starting dose is 5 mg once daily. Subsequent increases, if necessary, should occur only after a minimum of two-week intervals, with the maximum recommended daily dose being 40 mg in some regions.

Usage for stable Chronic Heart Failure (CHF) in elderly patients (70 years) follows a distinct protocol. Therapy is initiated at a low dose of 1.25 mg once daily, with the dose gradually doubled at intervals of 1 -2 weeks up to a maximum of 10 mg. The starting and adjustment of this CHF regimen must be carried out under the supervision of a physician experienced in heart failure management.

Procedural instructions define specific handling: dose reductions are required in patients with severe renal or moderate hepatic impairment. Furthermore, the medicine must not be stopped abruptly; instead, treatment cessation involves a gradual reduction of the dose over a period of 1 -2 weeks to manage the systemic transition. If a dose is missed, the official guidance is to skip it and resume the schedule; doubling the dose is prohibited.

Recent Clinical Evidence

Research evidence / Overview of Studies for Temerit (Nebivolol)

Evidence for Use in Essential Hypertension (High Blood Pressure)

Research examining the use of Temerit in conditions associated with high blood pressure primarily consists of short- and intermediate-term randomized controlled trials (RCTs). Researchers mainly tracked surrogate outcomes, focusing on measurements like changes in sitting or supine systolic and diastolic blood pressure readings. The study populations were generally adults with mild to moderate high blood pressure, including some specific investigations into older adults.

Studies report patterns where the blood pressure measurements observed in the research cohorts evolved over the treatment period. Research so far indicates that while the medicine was studied for its potential to influence blood pressure across these groups, reported measurements were noted to be smaller in specific patient groups, such as Black hypertensive patients. The research does not typically focus on the long-term observation of major clinical endpoints, which is a common limitation of studies that use only surrogate endpoints.


Evidence for Use in Mild and Moderate Stable Chronic Heart Failure

The evidence base for Temerit in chronic heart failure (CHF) includes a single large-scale, long-term study that monitored major clinical events. This trial focused on major clinical outcomes, tracking a composite endpoint that combined all-cause mortality (death from any cause) and the need for cardiovascular hospital admission. The study population was specific, focusing on elderly patients (age 70 and older) with stable, mild to moderate CHF.

However, a major limitation is that the key reported patterns regarding mortality and hospitalization are specifically linked to this elderly patient population. Therefore, research provides limited insight into whether these long-term outcomes are comparable for younger adults or for patients with more severe stages of heart failure.


Research Gaps and Areas of Uncertainty

The overall evidence landscape has key limitations and remaining questions. The most significant gap is the limited information on long-term clinical outcomes (like major event prevention) for the hypertension and angina indications, where research often prioritized short-term efficacy measures. Furthermore, while the heart failure data is long-term, it is narrowly defined, and younger patients with chronic heart failure have not been studied using the same large-scale outcome trial design.

Frequently Asked Questions (FAQ)

Common questions about Temerit (FAQ)


Q: Is Temerit used for anything else besides the conditions mentioned in the package?

A: Regulatory documents state that Temerit is officially indicated for the treatment of essential hypertension (high blood pressure) and for stable mild and moderate chronic heart failure in elderly patients (age 70 years and over), as part of a combination therapy. The official indications do not include other uses.


Q: What is the expected timeframe for Temerit to start working?

A: Official clinical information indicates that the maximum blood pressure-lowering effects measured in studies are generally achieved after two to four weeks of consistent daily use. While changes may be noticed earlier, the official information on the clinical effect timeframe relates to the maximum effect being measured after this period.


Q: How is Temerit different from other similar medicines that treat [general condition]? (without naming others)

A: Official product information describes Temerit as having a dual mechanism of action, which is a distinguishing feature. In addition to its primary effect as a highly selective beta-blocker on the heart, it also promotes vasodilation (relaxation of the blood vessels) by stimulating the production of nitric oxide in the blood vessel lining. This combined effect helps regulate both heart function and arterial pressure.


Q: Why do some people report feeling tired or dizzy when they first start Temerit?

A: Official documents list Dizziness and Tiredness (Fatigue) as common adverse reactions. These known reactions are consistent with the medicine's mechanism of action, which involves lowering blood pressure and heart rate. They are also cited in warnings about the risk of low blood pressure (hypotension).


Q: What kind of monitoring or tests might be required while on Temerit?

A: Regulatory documents suggest that close professional monitoring is important, especially for patients with certain pre-existing conditions. For example, the medicine is noted to potentially mask symptoms of low blood sugar (hypoglycemia), and specific caution is required for patients with kidney or liver impairment. These situations may involve regular check-ups and laboratory evaluations, as defined by professional guidance.


Q: Can Temerit affect a person's ability to drive or operate machinery?

A: Official patient information advises that because the medicine can cause side effects like dizziness or fatigue, individuals affected by these reactions should avoid driving or operating machinery. An awareness of individual reaction to Temerit is relevant before engaging in these activities.


Q: Why does the information note that Temerit might affect some laboratory tests?

A: Regulatory information specifically notes that the medication may mask the symptoms of low blood sugar (hypoglycemia) in individuals with diabetes. This interference with the body's natural warning signs means that blood glucose (sugar) tests may need careful interpretation while using the medicine.


Q: Can Temerit cause or worsen feelings of anxiety?

A: The official safety profile lists Nightmares and Depression as uncommon side effects affecting the nervous system. Official reports for this medicine list these effects, which relate to the nervous system and psychological well-being.


Q: What is the duration of the effect of a single dose of Temerit?

A: Official pharmacokinetics data indicates that the active component of Temerit has an effective half-life of approximately 12 to 19 hours, depending on how quickly an individual's body metabolizes it. This half-life relates to the duration of the medicine's biological activity, which supports its recommended once-daily administration schedule.


Q: Are there any common over-the-counter cold and flu remedies that can interact with Temerit?

A: Regulatory documents include a warning about the co-administration of Temerit with sympathomimetic agents. These agents are often found in certain over-the-counter cold and flu remedies, and their combination with Temerit may be associated with a potential increase in blood pressure and other cardiovascular effects.


Q: What is the difference between an interaction and a contraindication for Temerit?

A: A contraindication is an official statement in regulatory documents that prohibits the use of the medicine in a specific clinical situation, such as having a severe pre-existing heart condition, due to the recognized potential for adverse effects. A drug-drug interaction, conversely, means that taking Temerit with another substance may change the effect of one or both drugs, requiring specific caution, separation of doses, or adjustment.


Q: What does the research evidence say about Temerit's effect on mood?

A: The official safety profile lists Nightmares and Depression as uncommon adverse reactions related to the nervous system. These documented effects provide the basis for understanding the medicine's known influence on mood and psychological well-being.


Q: How is the effectiveness of Temerit measured in clinical trials?

A: For high blood pressure, effectiveness in studies is typically measured by tracking changes in systolic and diastolic blood pressure. For chronic heart failure (CHF), effectiveness in the major long-term study was measured by tracking a composite clinical endpoint that combined all-cause mortality and the need for cardiovascular hospital admission.


Q: Can Temerit cause stomach upset or digestive issues?

A: Yes, the official safety profile lists a number of Gastrointestinal Disorders as common or uncommon side effects. These include Constipation, Nausea, Diarrhea, Vomiting, Dyspepsia (indigestion), and Flatulence.


Q: If someone is allergic to other medicines, is there a higher chance of allergy to Temerit?

A: Regulatory documents indicate that using beta-blockers in individuals who have a history of severe allergic reactions to various substances may be associated with a heightened physical response to those allergens. Official information also indicates that this combination can affect how the body responds to typical treatments used for severe allergic reactions.


Q: What does the regulatory document mean by 'use with caution' for certain patients?

A: Phrases like 'use with caution' in regulatory documents signal that authorities have identified a specific risk for certain groups, such as those with moderate liver or severe kidney impairment. It means the medicine may be used, but only with closer monitoring and special precautions under the supervision of a healthcare professional.


Q: Is Temerit known to interact with common heart medicines?

A: Yes, regulatory documents explicitly warn about the risk of interactions with other medicines that slow the heart rate or depress heart function. These include Digitalis Glycosides and certain types of Calcium Channel Blockers (Verapamil- or Diltiazem-type), which are frequently used heart medications.


Q: What research has been done on the use of Temerit in adolescents?

A: Official regulatory documents state that the safety and effectiveness in pediatric patients (under 18 years), including adolescents, have not been established through adequate and well-controlled studies. Therefore, the official regulatory profile describes the safety and effectiveness as unestablished in this group.


Q: Does Temerit's effectiveness change over time?

A: Official pharmacological information states that the antihypertensive effect is maintained during chronic treatment. This indicates that the medicine is expected to continue working effectively over the long term, and no significant loss of effectiveness (tolerance) is anticipated with standard use.


Q: Is Temerit generally considered safe for use in older adults?

A: Official information explicitly includes and details the use of Temerit in elderly patients (age 70 years and over) for the indication of stable mild and moderate chronic heart failure. It is also indicated for the treatment of high blood pressure in adults, which encompasses the older adult population.


Q: Are there any long-term safety data themes mentioned in regulatory summaries for Temerit?

A: A key long-term safety pattern highlighted in regulatory documents is the risk of severe exacerbation of angina or myocardial infarction (heart attack) if the medicine is abruptly stopped, particularly in patients with existing coronary artery disease. Long-term studies for chronic heart failure also tracked major adverse cardiovascular events.


Q: What are the official recommendations if Temerit does not seem to be working?

A: Official dosing instructions outline a careful titration schedule for the hypertension indication, where the dose is only increased after a minimum of two-week intervals. If the desired therapeutic effect is not achieved, the schedule defined in the labeling involves the possibility of dose adjustment, which is evaluated under professional guidance.


Q: Is there any official information about Temerit causing skin reactions?

A: Yes, the official safety profile lists Psoriasis aggravation as a very rare adverse reaction. Post-marketing experience has also included reports of general skin rash, pruritus (itchiness), and more serious reactions like Angioedema.

How should Temerit be stored and disposed of?

Storage and Disposal Requirements for Temerit (Nebivolol)

Storage Conditions

Temerit tablets must be stored at Controlled Room Temperature, defined as 20 C to 25 C (68 F to 77 F). The regulatory labeling permits temporary excursions between 15 C and 30 C. To maintain the product's 24-month stability, the container must be kept tightly closed and stored in a dry place, protected from moisture. As a mandatory safety requirement, all medicine must be stored out of the sight and reach of children.

Disposal Instructions

Nebivolol tablets that are unused or out of date must be safely discarded. Official guidance instructs individuals to ask a pharmacist or healthcare professional for the proper disposal method. If no drug take-back program is available, the product may be mixed with an unappealing substance and sealed before being placed in household trash.

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

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