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Nitrendypina Egis

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Nitrendypina Egis

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Treatment option:

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.

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Overview of Nitrendypina Egis

Property Description
Active ingredient Nitrendipine
Form Tablets
Pharmacological class Calcium channel blocker (Dihydropyridine)
General purpose Reduction of systemic blood pressure
Origin Synthetic small molecule drug

What Type of Medicine is Nitrendypina Egis?

Nitrendypina Egis is a synthetic small molecule drug primarily defined as an antihypertensive agent and is clinically recognized for its role in the management of chronic hypertension. Its active ingredient, Nitrendipine, is a calcium channel blocker categorized under the Anatomical Therapeutic Chemical (ATC) classification. Specifically, Nitrendipine belongs to the dihydropyridine subclass, which is structurally adapted to preferentially target the peripheral vascular system. As a distinguishing factor for the brand, Nitrendypina Egis is produced by Egis Pharmaceuticals PLC and is typically restricted to prescription-only access, emphasizing its required professional oversight.

Composition and Form: The Nitrendipine Tablet

This medication is formulated as a solid dosage form, prepared as a tablet intended for simple oral administration via swallowing. Nitrendypina Egis is a single-ingredient product, containing only the active substance Nitrendipine alongside inert pharmaceutical excipients necessary for the tablet's integrity and stability. The chemical identity of the active compound, Nitrendipine, is well-established, confirming its structure and composition.

What is the General Purpose of a Calcium Antagonist?

The general therapeutic purpose of products containing Nitrendipine is to achieve and maintain the reduction of elevated systemic blood pressure. The medication accomplishes this through its core physiological action: causing the vasodilation, or widening, of the peripheral blood vessels. This mechanism ensures that the resistance within the circulatory system is lowered, making the product a standard, well-supported option for managing elevated pressure commonly associated with arterial hypertension.

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What side effects are possible with Nitrendypina Egis?

Possible Side Effects and Safety Information

The official safety profile for the active substance Nitrendipine is characterized by adverse reactions categorized by frequency and the physiological system affected, as documented in government regulatory sources. These classifications structure the understanding of the medicine's potential risks.


Frequency-Classified Adverse Reactions

The most commonly listed adverse reactions are generally associated with the medicine's vasodilatory action.

Classification Examples of Officially Documented Effects
Common (ge 1/100) Headache, peripheral edema, flushing, dizziness, and palpitations.
Uncommon (ge 1/1,000) Nausea, fatigue, rash, and hypotension.
Rare (ge 1/10,000) Gingival hyperplasia, leucopenia, and agranulocytosis.

System-Organ Classes and Serious Reactions

Adverse reactions are formally grouped into systems, including Vascular disorders (flushing, edema), Cardiac disorders (tachycardia), and Nervous System disorders (headache, somnolence).

Regulatory documentation also explicitly lists specific serious adverse reactions, though these are classified as rare or very rare. These include the potential for exacerbation of angina pectoris, which is specifically noted as a risk, particularly at the start of treatment or following dose escalation. Rare reports also exist for hepatitis and myocardial infarction.


Safety Considerations and Restrictions

Official labeling contains specific safety constraints that restrict the use of the medicine. These restrictions include absolute contraindications in individuals with certain cardiac conditions, such as cardiogenic shock, severe aortic stenosis, unstable angina, and acute myocardial infarction within the first four weeks. Furthermore, the label notes that patients with impaired hepatic function may experience prolonged or exaggerated effects due to altered metabolism.

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Overdose and Emergency Response

In the event of an overdose with a Nitrendipine-containing product, immediate medical attention is required, and emergency services must be contacted right away.

Officially documented manifestations of overdose primarily affect the cardiovascular system and are defined by severe, life-threatening outcomes. Clinical presentations include profound severe hypotension (extremely low blood pressure) and compensatory reflex sinus tachycardia (rapid heart rate). Central Nervous System effects, such as confusion and drowsiness, are also documented, along with metabolic changes like hyperglycemia. A severe overdose carries the risk of progression to cardiovascular collapse, cardiogenic shock, and end-organ failures, potentially resulting in fatal shock.

Management is focused strictly on symptomatic and supportive treatment, as no specific antidote is known. The regulatory guidance requires active cardiovascular support and, if needed, the administration of intravenous saline solution to manage low blood pressure. Due to the potential for delayed systemic toxicity, continuous hospital monitoring is required. Asymptomatic patients must be observed for specific periods, such as up to 12 hours for sustained-release formulations. A specific population consideration is noted for the elderly and individuals with hepatic impairment, where slowed drug clearance may increase the risk of severe hypotension during overdose.

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Therapeutic Uses of Nitrendypina Egis

What Nitrendypina Egis Treats: Main Uses and Benefits

Nitrendypina Egis is commonly used for managing conditions characterized by periods of heightened symptoms, specifically within the realm of cardiovascular health. Its primary role is the long-term control of essential hypertension (high blood pressure).

The medication is also relevant for easing symptoms related to physical discomfort in cases of chronic stable angina pectoris and Prinzmetal's variant angina. This targeted use provides foundational support, generally assisting in the management of symptoms related to systemic imbalance. For patients, this means the medication may assist in lowering the long-term risk of serious cardiovascular complications, including stroke, heart attack, and kidney problems.

“The role of the medication is to support the management of elevated pressure, assisting patients in maintaining functional stability.”

In specific clinical scenarios, it may be applied for temporary symptomatic support during urgent hypertensive cases. This helps maintain a sense of stability when symptoms are more noticeable, supporting the patient during difficult episodes by easing distress.


Quick Fact: Support for Managing Elevated Systemic Pressure


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Eligibility and Restrictions for Use

Who Can and Cannot Use Nitrendypina Egis?

The population eligibility for Nitrendypina Egis (Nitrendipine) is strictly defined by regulatory documents, distinguishing between groups for whom use is allowed, restricted, or forbidden.

Eligibility Scope

Category Regulatory Status
Populations for whom use is allowed Adults with arterial hypertension.
Populations for whom use is contraindicated Patients with known hypersensitivity to nitrendipine or other dihydropyridines; Patients with cardiogenic shock or severe hypotension; Patients with advanced aortic stenosis; Patients with recent myocardial infarction [1.1, 1.6, 3.1].
Age-related eligibility rules Adults are the approved population. Use is not recommended in children and adolescents (under 18) as efficacy and safety data are not established. Use in older adults is permitted, but the official label often advises caution due to potential altered clearance [1.6, 3.2].
Condition-specific eligibility rules Use is contraindicated in patients with severe hepatic impairment. Caution is advised for patients with mild to moderate liver insufficiency and in those with poor cardiac reserve or heart failure [1.1, 1.6].
Pregnancy and lactation eligibility status Not recommended for use in pregnant women unless absolutely necessary. Not recommended for use in breastfeeding women due to the transfer of the drug into breast milk [1.6, 3.2].

Connection to the Overall Eligibility Profile

The regulatory profile defines non-eligibility through strict contraindication rules tied to acute physiological instability (e.g., cardiogenic shock) and severe organ failure (severe hepatic impairment) [1.1, 1.6]. For specific populations like children, pregnant, and breastfeeding women, use is formally designated as not recommended due to a lack of established safety data or documented presence in breast milk, thereby limiting the drug to the general adult population [1.6, 3.2].

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What should I know about interactions with other medicines?

Interactions with other medicines and products

Nitrendypina Egis (Nitrendipine) is primarily cleared from the body through metabolism mediated by the Cytochrome P450 3A4 ( CYP3A4) enzyme system, which forms the basis for most documented interactions. The official regulatory profile identifies agents that modify this clearance and substances that cause additive effects.

Formal Regulatory Restrictions

Co-administration with Rifampicin is formally contraindicated. Rifampicin is a strong CYP3A4 inducer that significantly reduces the plasma concentration and therapeutic efficacy of Nitrendipine.

Documented Pharmacokinetic and Pharmacodynamic Interactions

Interacting Agent Category Effect on Nitrendipine or Co-Administered Drug
CYP3A4 Inhibitors (e.g., Ketoconazole, Erythromycin) Increase Nitrendipine plasma concentrations and exposure.
CYP3A4 Inducers (e.g., Phenytoin, Carbamazepine, St. John's Wort) Decrease Nitrendipine plasma concentrations, potentially reducing its effect.
Other Antihypertensive Agents Results in an additive hypotensive effect (e.g., beta-blockers, diuretics).
Digoxin Nitrendipine co-administration increases the plasma levels of Digoxin by reducing its clearance.

Food and Substance Interactions

Co-ingestion of Grapefruit Juice is advised to be avoided as it inhibits intestinal CYP3A4, leading to an unwanted increase in Nitrendipine exposure. Alcohol may also cause an enhanced additive hypotensive effect. Caution is also noted for interactions in patients with hepatic impairment, as reduced liver function may amplify CYP3A4-mediated effects.

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Mechanism of Action

Targeting Vascular Calcium Channels

The core mechanism involves the selective blockade (antagonism) of L-type voltage-gated calcium channels (CaV1) on vascular smooth muscle cell membranes. The molecule's state-dependent binding confers selectivity toward depolarized resistance arterioles. By inhibiting the influx of extracellular calcium ions (Ca^2+), Nitrendipine interrupts the excitation-contraction coupling pathway that mediates smooth muscle contraction.


Reduction of Total Peripheral Resistance

This cellular blockade results in the relaxation and widening (vasodilation) of peripheral resistance arterioles. This systemic change lowers the Total Peripheral Resistance (TPR) to blood flow. This reduction in resistance is the physiological consequence that modulates pressure within the arterial system.


Autonomic Counter-Regulation

A known limitation of this peripheral action is the potential engagement of the baroreceptor reflex. The fall in systemic pressure can trigger this intrinsic autonomic feedback loop, leading to reflex cardiac activation (increased heart rate) that functions as a physiological counter-regulation to the hemodynamic change.

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Dosage and Administration Information

How to Use Nitrendypina Egis

Administration Scope and Dosage Regimen

The administration of Nitrendypina Egis is restricted to the oral route, with the product being available as film-coated tablets in 10 mg and 20 mg strengths. The tablets must be swallowed whole with water and should never be crushed, split, or chewed to ensure the intended release characteristics.

For adult patients, the standard initial regimen is typically 20 mg administered once daily. The dose can be adjusted based on individual requirements, up to a maximum total daily dose of 40 mg. This total daily dose may be given once daily or divided into two separate doses. As a critical procedural condition, consumption of grapefruit or grapefruit juice must be entirely avoided.


Population-Specific Dosing Rules

Official prescribing information mandates specific starting dose adjustments for certain patient populations. For older adults, the initial daily dose is reduced to 10 mg. Patients with documented hepatic impairment (liver problems) also require a significant dose reduction, with an initial regimen of 5 mg to 10 mg once daily to account for the drug's metabolism. For the pediatric population (under 18 years of age), use is generally not recommended or established in the primary labeling.


Missed Dose Guidance

If a scheduled dose is missed, it should be taken as soon as the lapse is noticed, unless the time is very close to the next scheduled dose. In that case, the missed dose must be skipped, and the regular schedule continued. It is explicitly instructed not to take two doses at one time to compensate for a forgotten dose. The use pattern is prescribed for long-term continuous maintenance therapy.

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Recent Clinical Evidence

Research Evidence / Overview of studies for Nitrendypina Egis

This section provides a summary of the clinical research conducted on Nitrendypina Egis (nitrendipine), explaining the types of studies performed, what findings were measured, and what aspects of the research remain to be fully established. This information helps show what has been observed so far in group patterns.

Evidence for Use in Essential Hypertension

Research has explored the use of Nitrendypina Egis in adults with essential hypertension. Studies conducted include randomized controlled trials (RCTs) and meta-analyses, which compared this drug against placebo or other common treatments.

The primary focus of these studies was to monitor physiological strain by measuring outcomes related to systemic imbalance, such as changes in systolic and diastolic blood pressure (SBP/DBP). Research describes that measurements of SBP and DBP change were tracked in the study populations. Findings also indicate patterns related to the achievement of blood pressure control targets. Researchers observed that the response may vary when the drug was used by itself compared to when it was used as part of a combination regimen.

Evidence for Use in Isolated Systolic Hypertension

Nitrendypina Egis was evaluated in large-scale, long-term clinical trials specifically involving older patients (aged 60 years and above) who have Isolated Systolic Hypertension (ISH). These trials focused on outcomes reflecting daily functioning, monitoring major clinical events like stroke and mortality.

Studies explored the incidence of outcomes such as fatal and non-fatal stroke, as well as overall mortality rates. Findings describe patterns observed in the studies related to the incidence of stroke between the observed groups. The primary evidence is derived from research where Nitrendypina Egis was associated with other agents, meaning its specific independent role in these long-term clinical patterns is complex to isolate.

What Remains Uncertain About the Research for Nitrendypina Egis

Data for certain groups remain insufficient, especially for patients outside the primary study populations (e.g., younger individuals with ISH). Comparative evidence is lacking for some specific dosing strategies. Evidence quality varies across studies, and many research conclusions are based on symptomatic outcomes rather than hard, long-term clinical endpoints.

Key Studies & References

  1. ATC/DDD Index: C08CA08 (Nitrendipine) - WHO Collaborating Centre for Drug Statistics Methodology
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Frequently Asked Questions (FAQ)

Common questions about Nitrendypina Egis (FAQ)

Q: What happens if I forget to take a tablet of Nitrendypina Egis?

Official guidance describes that if a dose is missed, it is typically taken as soon as noticed, unless it is close to the next scheduled dose. Regulatory information indicates that two doses must not be taken at the same time to compensate for a forgotten dose.

Q: I heard Nitrendypina Egis can make your ankles swell; is this common?

Yes, official regulatory documents list peripheral edema (a term used for swelling often seen in the ankles and feet) as a common side effect. This effect is often associated with the medicine's primary action of widening blood vessels.

Q: Is it normal to feel dizzy after starting Nitrendypina Egis?

Regulatory documents list dizziness as a common side effect associated with this medicine. This feeling is listed as a known occurrence and is generally linked to the medicine’s primary action of widening blood vessels.

Q: What happens if I suddenly stop taking Nitrendypina Egis?

The medicine is prescribed for continuous, long-term maintenance therapy. While official texts do not detail the consequences of abrupt stopping, regulatory documents specifically note that a worsening of symptoms, such as angina pectoris, can be a risk when treatment is initiated or when doses are changed.

Q: What type of research backs up the use of Nitrendypina Egis?

The drug's official regulatory profile is supported by findings from various types of studies. These include randomized controlled trials (RCTs), meta-analyses, and large-scale, long-term clinical trials that observed group patterns related to blood pressure and major clinical events.

Q: How is Nitrendypina Egis different from other blood pressure pills?

Nitrendypina Egis is classified as a dihydropyridine calcium channel blocker. This class of medicine works by blocking the flow of calcium ions into the cells of the blood vessels. This results in the vessels relaxing and widening, which specifically lowers the resistance to blood flow and ultimately reduces blood pressure.

Q: What kind of side effects are generally associated with Nitrendypina Egis?

Most of the commonly reported effects, such as headache, flushing, edema (swelling), and palpitations, are described in official documents as being directly related to the medicine's main action. This action is the widening of blood vessels, known as vasodilation.

Q: How long does it usually take for Nitrendypina Egis to start working?

Regulatory information and clinical study summaries describe that the blood pressure-reducing effect of the active substance (Nitrendipine) can typically be measured within one to two hours following administration of the tablet.

Q: Are there any common foods that interact with Nitrendypina Egis?

The only specific food substance noted in official documents to have an interaction is grapefruit juice. It is advised to be entirely avoided because it can inhibit the drug's metabolism and cause an unwanted increase in its concentration in the body. No other common foods are typically restricted.

Q: Does alcohol change the way Nitrendypina Egis works?

Official documents note that co-ingestion of alcohol may cause an enhanced, additive hypotensive effect (a greater-than-expected reduction in blood pressure) when taken with this medicine.

Q: Is Nitrendypina Egis safe for older people?

Use in older adults is described as allowable, although official information advises caution due to the potential for altered clearance of the drug in this population. Prescribing information specifically mandates a reduced initial daily dose for older adults.

Q: Is Nitrendypina Egis the same as nifedipine?

No, Nitrendypina Egis contains the active ingredient Nitrendipine, while Nifedipine is a different, though closely related, active substance. Both are calcium channel blockers belonging to the dihydropyridine class.

Q: Does Nitrendypina Egis treat only hypertension or other conditions too?

The regulatory profile for the drug primarily includes essential hypertension and isolated systolic hypertension (ISH). As a calcium channel blocker, it is also described in official guidelines for its use in the long-term management of stable angina pectoris (chest pain).

Q: How long does Nitrendypina Egis stay in your system?

Pharmacokinetic data describes the elimination half-life of Nitrendipine in the body as being approximately 8 to 12 hours. This suggests that the active substance is generally eliminated from the system within a couple of days.

Q: Are there any studies about the long-term use of Nitrendypina Egis?

Yes, the drug has been evaluated in large-scale, long-term clinical trials. These studies, including those focused on older patients with Isolated Systolic Hypertension, monitored major clinical events over an extended period.

Q: Can you drive while taking Nitrendypina Egis?

Official labeling often cautions that blood pressure medicines can sometimes affect attention or cause side effects like dizziness, especially when beginning treatment or when the dose is increased. These effects could potentially impair the ability to drive or operate machinery.

Q: Is it required to have a specific diet while on Nitrendypina Egis?

A broad, specific diet is not required, but official prescribing information strictly mandates the complete avoidance of consuming grapefruit or grapefruit juice due to its specific interaction with the medicine.

Q: Does Nitrendypina Egis interact with grapefruit juice?

Yes, official documents advise completely avoiding co-ingestion of grapefruit juice. This is because it inhibits a key metabolic enzyme ( CYP3A4), which can lead to an unwanted increase in the concentration of Nitrendipine in the body.

Q: Does Nitrendypina Egis interact with herbal supplements?

Official regulatory profiles note that certain herbal supplements, specifically St. John’s Wort, can decrease the plasma concentrations of Nitrendipine. This interaction could potentially reduce the effectiveness of the medication.

Q: Why is Nitrendypina Egis sometimes prescribed for Raynaud's phenomenon?

Regulatory-adjacent literature notes that as a calcium channel blocker, Nitrendipine's core action is the widening of blood vessels (vasodilation). This effect makes it a treatment option sometimes considered for conditions like Raynaud's phenomenon, which involves episodes of restricted blood flow in the extremities.

Q: Is the safety profile of Nitrendypina Egis well-established?

The safety profile for the active substance (Nitrendipine) is officially established and has been characterized through extensive monitoring. Adverse reactions are formally categorized by their frequency and the physiological system affected, as documented in government regulatory sources.

Q: Is Nitrendypina Egis appropriate for people with diabetes?

Clinical reviews of the drug's effect in patients with diabetes indicate that long-term use has not shown a clinically relevant change in carbohydrate metabolism or basal glucose and insulin profiles.

Q: Does Nitrendypina Egis affect blood sugar levels?

Regulatory-adjacent research suggests that treatment with Nitrendipine does not appear to affect glucose homeostasis or blood sugar levels to a clinically relevant degree in either non-diabetic or diabetic subjects.

Q: Is Nitrendypina Egis a common treatment for stable angina?

Yes, Nitrendipine is a calcium channel blocker. This class of medicine is commonly included in the drug treatment options for the long-term management of stable angina pectoris.

Q: What is the main difference between Nitrendypina Egis and amlodipine?

Both are dihydropyridine calcium channel blockers. However, regulatory-adjacent research describes Nitrendipine as having a tendency toward a faster initial onset of effect compared to amlodipine.

Q: How does being pregnant affect the use of Nitrendypina Egis?

The use of the drug is formally designated as not recommended in pregnant women. Use is also not recommended in breastfeeding women due to documented transfer of the drug into breast milk.

Q: Is there a link between Nitrendypina Egis and changes in heart rate?

Yes, the drug's action of lowering systemic blood pressure can trigger an intrinsic feedback loop called the baroreceptor reflex. This reflex can lead to reflex cardiac activation, which is an increase in heart rate (tachycardia).

Q: Does Nitrendypina Egis lower blood pressure for all users?

Research descriptions indicate that the individual response to the medication may vary among patients. The response may also differ depending on whether the drug is used alone (monotherapy) or as part of a combination treatment regimen.

Q: Is Nitrendypina Egis a generic or brand-name drug?

Nitrendypina Egis is the brand name product manufactured and marketed by Egis Pharmaceuticals PLC. The active ingredient within the tablet is the generic chemical compound, Nitrendipine.

Q: What are the most commonly reported less serious side effects of Nitrendypina Egis?

The most frequently reported effects, categorized as common, include headache, peripheral edema (swelling), flushing, dizziness, and palpitations. Less common effects include nausea, fatigue, rash, and hypotension.

Q: Is there any evidence about Nitrendypina Egis and cognitive function?

Specific clinical research has been conducted on the drug's effect on cognitive function. Findings from one large trial (SYST-EUR) showed an association between nitrendipine-based therapy and a reduction in incident dementia.

Q: Why is the drug named Nitrendypina Egis?

The name is derived from its active ingredient, Nitrendipine, which is the internationally recognized chemical name. 'Egis' refers to the pharmaceutical company, Egis Pharmaceuticals PLC, that manufactures and markets the brand.

Q: Is it necessary to avoid sun exposure when taking Nitrendypina Egis?

Official health guidance for some cardiovascular drugs, including certain calcium channel blockers, may suggest limiting direct sun exposure. This is because some medicines in this class have been associated with photosensitive skin reactions.

Q: How does official guidance describe using Nitrendypina Egis with diuretics?

Guidance describes that combining Nitrendypina Egis with other antihypertensive agents, such as diuretics, typically results in an additive hypotensive effect, meaning a greater reduction in blood pressure is expected.

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How should Nitrendypina Egis be stored and disposed of?

How to Store and Dispose of Nitrendypina Egis?

The storage and disposal of Nitrendypina Egis tablets must comply strictly with official regulatory requirements to maintain the drug's stability and ensure safety.


Storage Requirements

  • Temperature and Light: The tablets must be stored at a controlled environment, typically below 30 C, and requires protection from light and moisture.
  • Packaging: Store the medication in its original package until the time of use to maintain its integrity.
  • Child Safety: As with all prescription medicines, Nitrendypina Egis must be kept out of the sight and reach of children to prevent accidental ingestion.

Disposal Instructions

Expired or unused Nitrendypina Egis must be disposed of in accordance with local requirements for pharmaceutical waste. The tablets should not be discarded into household trash or flushed down a toilet, which helps prevent environmental contamination.

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

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