Kenzem

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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 Kenzem

The medication known as Kenzem contains the active ingredient Diltiazem hydrochloride, a compound used to help manage cardiovascular health. It is fundamentally a prescription drug classified by its action on the heart and blood vessels.

Property Description
Active ingredient Diltiazem hydrochloride
Form Tablet, Capsule (Immediate & Extended-Release), Solution for Injection
Pharmacological class Non-Dihydropyridine Calcium Channel Blocker (CCB)
Common purpose To reduce heart workload and improve blood flow
Origin Synthetic benzothiazepine derivative

What Type of Medicine is Kenzem (Diltiazem)?

Kenzem is a single-ingredient pharmaceutical preparation belonging to the Calcium Channel Blocker (CCB) class, derived from a synthetic benzothiazepine structure. The active ingredient, Diltiazem hydrochloride, works by inhibiting the movement of extracellular calcium ions into cardiac muscle cells and blood vessel walls, a mechanism known as calcium antagonism. Diltiazem is a non-dihydropyridine CCB. This classification indicates that the medicine influences both the relaxation of blood vessels and the heart's electrical conduction system, distinguishing its profile from other CCB types.


Available Forms and General Therapeutic Purpose

The general therapeutic purpose of Kenzem is to promote efficient blood flow and reduce the heart's overall workload by regulating its electrical activity and encouraging the relaxation of blood vessels. The drug is available in multiple dosage forms for oral administration, including immediate-release tablets and specialized extended-release capsules. It is also formulated as a sterile solution for injection for intravenous use in acute settings. Diltiazem effectively lowers myocardial oxygen demand through a reduction in heart rate and systemic blood pressure. This function is essential support in managing cardiovascular stability.

Regulatory References

  1. Diltiazem Classification

What side effects are possible with Kenzem?

Possible Side Effects and Safety Information

The safety profile for Kenzem (Diltiazem hydrochloride) is documented through official regulatory classifications, which organize potential effects by frequency and the body system affected. Adverse reactions are grouped into categories such as Common, Uncommon, and Rare, based on incidence reported in clinical trials and post-marketing surveillance.

Common and Uncommon Adverse Reactions

Adverse effects most frequently documented in official labeling primarily involve the cardiovascular, nervous, and gastrointestinal systems. Common reactions often include headache, dizziness, edema (swelling), flushing, and constipation. Uncommon reactions may include bradycardia (slowed heart rate), atrioventricular (AV) block (first-degree), and nausea.

Serious Safety Considerations

Official documents also identify rare but clinically significant adverse reactions and absolute safety restrictions (contraindications).

Category Description
Serious Adverse Reactions Documented effects include Second- or Third-degree AV Block, Severe Hypotension, acute hepatic injury, and severe skin conditions such as Stevens-Johnson Syndrome (SJS) and Toxic Epidermal Necrolysis (TEN).
Safety Restrictions (Contraindications) The medicine is formally restricted from use (contraindicated) in patients with conditions such as Sick Sinus Syndrome (unless a functional ventricular pacemaker is present), Second- or Third-degree AV Block (unless a functional ventricular pacemaker is present), and Severe Hypotension.

Population-Specific Safety

The regulatory profile notes that clearance may be reduced in older adults, potentially leading to increased systemic exposure. Caution is also explicitly advised for individuals with existing hepatic or renal impairment due to altered drug metabolism and excretion. Rare reports of hepatic injury are often observed early after therapy initiation and are typically described as reversible upon discontinuation.

Overdose and Emergency Response

Overdose and When to Seek Help

The information regarding overdose with Diltiazem hydrochloride (Kenzem) is strictly derived from official regulatory labeling, outlining specific clinical manifestations and mandated emergency actions. All individuals suspected of experiencing an overdose must seek immediate medical attention and contact emergency services or a poison control center immediately.

Overdose manifestations are primarily severe extensions of Diltiazem’s effects, impacting the cardiovascular system. Massive overdose can lead to severe or life-threatening systemic events, including cardiac arrest and heart failure.


Documented Overdose Presentations

System Regulator-Listed Signs and Outcomes
Cardiovascular Severe hypotension (low blood pressure), profound bradycardia (slow heart rate), and various degrees of atrioventricular block (impaired conduction).
Severe Outcomes Cardiac arrest and heart failure are documented as life-threatening complications.

Official Management Directives

No specific antidote is known for Diltiazem overdose. Consequently, management requires aggressive symptomatic and supportive treatment and must include continuous cardiac monitoring in a hospital setting. Specific interventions listed in regulatory documents include the use of atropine for symptomatic bradycardia and intravenous fluids and vasopressor agents to manage severe hypotension. Procedures such as activated charcoal or gastric lavage may also be listed to limit drug absorption.

Therapeutic Uses of Kenzem

What Kenzem Treats: Main Uses and Benefits

Kenzem is applied across domains where additional symptomatic support is needed, primarily for cardiovascular conditions. It plays a role in managing conditions involving episodic or fluctuating manifestations. This includes conditions characterized by periods of heightened symptoms and conditions presenting with systemic discomfort.

Managing Symptomatic Discomfort

Kenzem may be part of symptomatic management to help address groups of symptoms related to heightened physiological activity. It is relevant for easing discomfort that interferes with daily comfort, and the therapy supports patients during episodes of heightened discomfort. It is considered relevant in situations involving certain distressing symptoms characterized by systemic imbalance, often used when symptoms intensify due to increased physiological stress.

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

Kenzem assists with maintaining functional stability when symptoms related to organ-specific functional stress become more noticeable, helping to improve day-to-day comfort during symptomatic periods. It may provide supportive relief in clinical settings that involve acute or unstable symptom patterns.


Quick Fact: Relief for Heightened Physiological Activity Kenzem may assist with managing symptoms linked to periods of increased physiological stress and helps ease the overall symptom load during difficult episodes.


Eligibility and Restrictions for Use

Who Can and Cannot Use Kenzem (Diltiazem Hydrochloride)?

Eligibility for Kenzem is strictly defined by regulatory authorities based on a patient’s existing health status, particularly concerning cardiac conduction and organ function.


Contraindicated Populations (Must Not Use)

Kenzem is absolutely contraindicated in patients with certain severe cardiovascular conditions or a known allergy to diltiazem hydrochloride. This includes individuals with Sick Sinus Syndrome or second- or third-degree AV block who do not have a functioning pacemaker. It is also prohibited for patients in cardiogenic shock, experiencing marked hypotension, or having atrial fibrillation/flutter associated with an accessory bypass tract (e.g., Wolff-Parkinson-White syndrome).


Restricted and Non-Recommended Use

Population / Condition Regulatory Status
Pediatric Patients Not recommended; safety and efficacy are not established.
Impaired Hepatic/Renal Function Use with caution; monitoring and dose adjustment often required.
Older Adults Use with caution; a lower initial dose may be necessary.
Pregnancy/Lactation Not recommended or contraindicated due to insufficient data/risk factors.

Use also requires caution in patients with congestive heart failure due to the potential to exacerbate the condition. Furthermore, the medicine is contraindicated when concurrently used with drugs such as lomitapide.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Kenzem's interaction profile is documented primarily around its effects on major drug-metabolizing enzymes and transport systems, as well as the risk of shared pharmacodynamic effects with co-administered substances. This information is based solely on regulatory findings from official drug labels.

Pharmacokinetic and Transporter Interactions

Kenzem is known to be significantly affected by agents that modulate the Cytochrome P450 3A4 (CYP3A4) enzyme system and the P-glycoprotein (P-gp) efflux transporter. Co-administration with strong CYP3A4 inhibitors (e.g., Ketoconazole) can substantially increase Kenzem's plasma exposure. Conversely, co-administration with strong CYP3A4 inducers (e.g., Rifampin or the herbal product St. John's Wort) is generally contraindicated due to the risk of a severe decrease in Kenzem concentrations.

Pharmacodynamic and Contraindicated Combinations

Combinations are restricted based on the potential for additive toxicity. The risk of QTc interval prolongation is officially noted when Kenzem is combined with other drugs known to affect cardiac repolarization. Certain combinations that lead to a high and unacceptable risk of adverse events, such as co-administration with strong inducers, are designated as contraindicated combinations in regulatory labeling.

Population and Non-Prescription Constraints

Interaction relevance may vary in specific patient populations; for instance, those with severe renal or hepatic impairment may have altered drug clearance that changes the severity of pharmacokinetic interactions. Official documents also explicitly warn against co-administration with St. John's Wort.

Mechanism of Action

Kenzem, which contains Phenylpropanolamine, functions as a sympathomimetic agent primarily targeting the adrenergic receptor system. Its mechanism involves dual action: it acts as an agonist for alpha- and, to a lesser extent, beta-adrenergic receptors, and it also inhibits the neuronal reuptake of norepinephrine (a key endogenous catecholamine). This combination increases the concentration and effect of norepinephrine at synaptic clefts. The resultant elevated sympathetic activity, specifically the stimulation of alpha-adrenergic receptors in the respiratory mucosa, triggers a G-protein coupled cascade in vascular smooth muscle cells. This cascade initiates vasoconstriction, which is the narrowing of arterioles. This physiological change reduces localized tissue hyperemia and the fluid volume within the mucosal lining, thereby modifying the pressure-flow dynamics in the affected microvasculature.

Dosage and Administration Information

How to Use Kenzem: Administration Guidelines

Kenzem (Diltiazem hydrochloride) is administered through two primary routes: oral for chronic maintenance therapy and intravenous (IV) for acute, monitored use. The specific dosing regimen and administration rules depend on the formulation chosen.


Oral Dosing and Frequency

Oral use is structured around the release profile of the formulation:

  • Immediate-Release Tablets: The typical starting dose is 30 mg taken four times daily, with total daily doses generally ranging up to 360 mg, administered in divided doses. These tablets are often taken before meals and at bedtime.
  • Extended-Release Capsules/Tablets: These are designed for once-daily administration, simplifying the schedule. Starting doses generally range from 120 mg to 240 mg. Maximum daily doses can be up to 540 mg once daily for certain products.

Administration Requirements and Special Populations

Specific instructions must be followed to ensure proper use, particularly with extended-release forms, which must not be crushed, chewed, or divided to maintain their intended time-controlled action. Some extended-release capsules may be opened and the contents sprinkled on soft food like applesauce and immediately swallowed.

For older adults and individuals with hepatic or renal impairment, it is recommended to use a lower initial starting dose and proceed with caution during dose adjustments. The safety and effectiveness of Diltiazem in pediatric patients have not been established.

Recent Clinical Evidence

Research Evidence: Overview of Studies for Kenzem

Evidence for Use in Managing High Blood Pressure (Hypertension)

Kenzem's potential role in managing high blood pressure (hypertension) was studied through Randomized Controlled Trials (RCTs) and large-scale observational studies. Research was studied for the compound by monitoring changes in Systolic and Diastolic Blood Pressure (BP), which are the main outcomes related to systemic or functional imbalance. The available findings describe patterns observed in the studies where measurements of blood pressure changes were reported in the observed groups. However, the evidence quality varies across studies and the certainty remains low for individual predictions, as research does not determine whether an individual will respond similarly. Comparative evidence is lacking for some contexts involving other first-line BP medicines.

Evidence for Use in Managing Chronic Stable Angina

For individuals with chronic stable angina (chest discomfort related to activity), research was studied for Kenzem using short-term, placebo-controlled RCTs and specific exercise tolerance studies. This research examined functional outcomes, such as the total time a person could exercise before symptoms appeared, and patient-reported outcomes describing perceived discomfort. The available findings describe measurements in the studies, where patterns related to the frequency of chest discomfort were reported by observed patients. Follow-up durations were limited in many of the functional studies, meaning it is not yet clear whether these short-term findings relate to outcomes over a long time frame.

What is Still Uncertain About Kenzem's Research Base

In many areas, follow-up durations were limited, meaning there is limited information for long-term outcomes, especially regarding sustained symptom control in angina. The research highlights what is known—and what is still uncertain—and findings describe group patterns, not individual predictions, emphasizing that research is ongoing to provide more context.

Key Studies & References Diltiazem Oral - MedlinePlus Drug Information

Frequently Asked Questions (FAQ)

Common questions about Kenzem (FAQ)


Q: What happens if I forget to use a dose of Kenzem?

Official dosing protocols from regulatory bodies describe the procedure for a missed dose. Generally, if it is almost time for your next scheduled dose, official protocols describe skipping the missed dose and continuing with your regular schedule to avoid taking too much of the medicine. The instructions vary slightly depending on the specific formulation of Kenzem being used.


Q: Does Kenzem interact with common over-the-counter pain relievers?

Studies based on official labeling indicate that the concurrent use of Kenzem with some nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen, may potentially cause an increase in blood pressure. Official guidance indicates that if this combination is co-administered, monitoring for blood pressure changes may be noted.


Q: Does Kenzem interact with common antacids?

Official reports indicate that the co-administration of Kenzem with agents containing calcium carbonate, a common ingredient found in certain antacids, may decrease the overall effectiveness of Kenzem. This potential change in absorption is noted in regulatory-adjacent sources based on drug interaction data.


Q: Is it necessary to take Kenzem with food?

The administration conditions for Kenzem can vary depending on the specific formulation being used. Official product information states that some Extended-Release tablets can be administered without regard to food, while the Immediate-Release tablets are often taken before meals. It is factual that food requirements depend on the exact type of Kenzem product.


Q: How long does Kenzem typically stay in the body after a dose?

Official pharmacokinetic data describes the clearance time of the active ingredient. The elimination half-life, which is the time it takes for half of the drug to be cleared from the bloodstream, ranges from approximately 4 to 9.5 hours for extended-release capsules. This value helps describe how quickly the body processes the medicine.


Q: How quickly does Kenzem typically start to work?

The onset of action depends on the form of the medicine. When managing high blood pressure, statistically significant reductions in diastolic blood pressure have been observed in clinical trials after approximately four weeks of treatment. For acute situations, the intravenous form of the active ingredient generally shows a response within a few minutes.


Q: What is the expected timeframe for seeing the full benefit of Kenzem?

Regulatory information indicates that the maximum antihypertensive effect in clinical use is generally observed after approximately 14 days of chronic therapy. This timeframe is consistent with the periods used by healthcare providers when observing potential adjustments.


Q: What happens if Kenzem is stopped suddenly?

Official information advises that stopping the medicine suddenly, particularly when used for angina (chest discomfort), may cause the symptoms to return or worsen. The decision to stop use of this medicine should align with the direction of a healthcare professional.


Q: Are there any documented interactions between Kenzem and alcohol?

Regulatory warnings state that the consumption of alcohol may have an additive effect in lowering blood pressure, which can lead to dizziness or fainting. Furthermore, alcohol may affect the controlled-release mechanism of some Kenzem formulations, which is a key safety consideration noted in official documents.


Q: Are there any specific activities to avoid while using Kenzem?

Official product information notes that Kenzem may cause side effects such as dizziness or a general feeling of being unwell. Regulatory information indicates that caution is generally noted when performing tasks that require concentration, such as driving or operating machinery, until an individual knows how the medicine affects them.


Q: What happens if a higher than recommended amount of Kenzem is used?

Official regulatory documents describe potential outcomes of using a higher than recommended amount. An overdosage is described as leading to an increase in the known therapeutic effects, which can result in serious events such as severe hypotension (very low blood pressure), bradycardia (abnormally slow heart rate), or heart block.


Q: Is Kenzem a controlled substance?

Kenzem is officially classified as a prescription-only drug and is not designated as a controlled substance under the U.S. Controlled Substances Act. This regulatory status confirms it is not classified as having a potential for abuse or dependence.


Q: Can Kenzem make my existing symptoms feel worse at first?

Clinical trial data included in regulatory warnings note that an increased frequency or severity of angina has rarely developed during the initial phase or a dosage increase of calcium channel blockers. This is a possibility described in the official safety information, though it is not a common occurrence.


Q: Is Kenzem known to cause weight changes?

The official adverse reaction profile for the medicine does include the category of weight increased as a documented, though not universal, effect. This information is based on the data collected during clinical trials and post-marketing surveillance.


Q: Can Kenzem cause mood swings or changes in sleep?

Official regulatory documents list potential effects on the nervous system and psychiatric state. Documented possible side effects include insomnia (difficulty sleeping), sleep disorder, and reports of depression.


Q: Does Kenzem cause dryness of the mouth or skin?

The documented adverse reaction profile includes reports of dry mouth as a possible effect. Additionally, reports of pruritus (itching) are noted in official sources, which is a skin-related symptom.


Q: Are there any major diet restrictions while using Kenzem?

Regulatory-based patient information includes a precaution against excessive consumption of grapefruit and grapefruit juice. This is because these products may affect the metabolism of the drug and potentially increase the level of the medicine in the blood.


Q: Is Kenzem available in a generic form?

Yes, regulatory-adjacent sources confirm that a lower-cost generic version containing the active ingredient, Diltiazem hydrochloride, is widely available. Generic drugs must meet the same quality and effectiveness standards as the original brand-name product.


Q: Can the cost of Kenzem vary a lot between different pharmacies?

Specific insurance coverage and cost is a factual matter that depends on the individual's health plan and formulary. However, the medicine's status as a widely available generic prescription drug is a key factual element that typically supports general accessibility and lower patient costs.


Q: Does the effectiveness of Kenzem decrease over time?

Clinical research examining long-term administration has reported achieving a generally satisfactory effect with no evidence of the escape phenomenon (a decrease in effectiveness) developing in the observed groups. This research suggests a sustained therapeutic benefit.


Q: Why do some people need to use Kenzem for a long time?

Official information reflects that Kenzem is used to manage long-term or chronic conditions such as high blood pressure or chronic stable angina. For these conditions, the medicine is often taken continuously to help maintain blood pressure control and manage symptoms over an extended period.


Q: Why is Kenzem sometimes described as a 'targeted' treatment?

The medicine is officially classified as a Calcium Channel Blocker (CCB) that works by selectively inhibiting the movement of calcium ions. This means it targets a specific mechanism—the L-type calcium channels—in cardiac and vascular smooth muscle cells, which underlies the 'targeted' description.


Q: Is Kenzem the same type of medicine as [similar drug name]?

Kenzem is classified as a non-dihydropyridine Calcium Channel Blocker (CCB). This places it in a different subclass than other CCBs, such as dihydropyridines (like Nifedipine), due to factual differences in their primary sites of action and effects on the heart's electrical system.


Q: How does Kenzem's action differ from other drugs that treat similar conditions?

Official pharmacological classification describes non-dihydropyridine CCBs, like Kenzem, as being more selective for the heart muscle (myocardial selective) and tending to reduce heart rate. This distinguishes its action profile from other CCBs, which may primarily focus on blood vessel dilation.


Q: What is the difference between Kenzem and a supplement for the same condition?

Kenzem is a prescription pharmaceutical agent with a defined pharmacological class and mechanism of action that undergoes formal regulatory review for safety and efficacy. This is a factual distinction from dietary supplements, which do not undergo the same level of mandated regulatory scrutiny.


Q: Are there any reported studies on the long-term effects of Kenzem?

Yes, clinical literature, including studies up to five years, has investigated the efficacy and safety profile of long-term administration in patients with essential hypertension. While specific trials may have limited follow-up, general research experience on the active ingredient is noted in official sources.


Q: Is it possible to have no side effects from Kenzem?

Official safety data lists adverse reactions observed in groups during clinical trials, categorized by frequency. It is a factual observation that the experience of side effects is individual, and many people using the medicine do not report serious adverse effects.


Q: Is Kenzem commonly covered by insurance?

Specific insurance coverage is a factual matter that depends on the individual's health plan and formulary. However, the medicine's status as a widely available generic prescription drug is a key factual element that typically supports general accessibility and lower patient costs.

How should Kenzem be stored and disposed of?

The storage and disposal of Kenzem (Diltiazem hydrochloride) must align strictly with governmental regulatory standards to maintain stability and ensure safety.

Official Storage Requirements

Kenzem must be stored at controlled room temperature, which is defined as 20 C to 25 C (68 F to 77 F), with permitted brief excursions up to 30 C. The medication must be kept in its container, which should be tightly closed and light-resistant, protecting the product from moisture and excessive heat.

Do not freeze the medicine, and avoid temperatures above 30 C. All medication must be kept out of the sight and reach of children.

Disposal Instructions

Expired or unused medication should be disposed of via a formal drug take-back program. If this option is unavailable, the product should be mixed with an undesirable substance and placed in a sealed bag for disposal in household trash, according to official guidelines. It must not be flushed down a toilet or poured into a drain.

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

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