Amlocar

Quick links to important sections

Amlocar

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 Amlocar

Property Description
Active Ingredient Amlodipine (typically as Amlodipine besylate)
Form Tablet (intended for oral administration)
Pharmacological Class Calcium Channel Blocker (CCB)
Common Use (General) Antihypertensive and Antianginal Agent
Origin Synthetic, small molecule compound

What Type of Medicine is Amlocar (Amlodipine)?

Amlocar is a prescription pharmaceutical product based on the active ingredient Amlodipine, often formulated as Amlodipine besylate. The drug is classified as a Calcium Channel Blocker (CCB), specifically belonging to the dihydropyridine sub-group, which is clinically recognized for its long duration of action. Amlodipine is a synthetic, small molecule compound designed for oral administration and is generally provided as a tablet. As a generic version of the original substance, Amlocar contains the identical active agent, making it widely available as a foundational medication within its therapeutic class.

General Purpose: What Does Amlodipine Help to Achieve?

The general purpose of Amlocar is to reduce the pressure and overall strain exerted on the cardiovascular system. Pharmacological studies confirm Amlodipine fundamentally achieves this benefit by acting as a powerful peripheral arterial vasodilator. The substance works by limiting the flow of calcium into the muscle cells of the arterial walls, which promotes relaxation and widening of the blood vessels. This key action results in a steady reduction in peripheral vascular resistance, easing the effort required by the heart to circulate blood. This mechanism establishes the substance’s primary clinical role as both an effective Antihypertensive and an Antianginal Agent for adults.

Regulatory References

  1. Amlodipine: LiverTox - NIH

What side effects are possible with Amlocar?

Possible Side Effects and Safety Information

The safety profile of Amlocar is classified by government regulatory authorities into frequency categories based on clinical trial and post-marketing data. The most frequently documented adverse reaction is peripheral edema (swelling, typically of the ankles), which is officially classified as Very Common. Other common effects documented in regulatory labeling include headache, fatigue, dizziness, and nausea.

Adverse reactions are grouped by the affected System-Organ Class (SOC). Effects like edema and flushing fall under Vascular disorders, while headache and somnolence are listed under Nervous system disorders.


Serious Adverse Reactions and Safety Constraints

The official labeling notes the possibility of rare but clinically significant reactions. In patients with severe obstructive coronary artery disease, there is a documented risk of developing increased frequency or severity of angina or acute myocardial infarction upon initiation or dose increase. Symptomatic hypotension is also a documented risk, particularly in specific patient groups.

Regulatory documents include constraints for certain populations. Due to its extensive metabolism in the liver, amlodipine is contraindicated in severe hepatic impairment. For patients with any degree of hepatic impairment, caution is required, and a gradual dose titration is specified. Furthermore, headache and dizziness are noted to be more common at the beginning of treatment, while peripheral edema is often described as dose-related.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory profile for Amlocar overdose is defined by the risk of severe cardiovascular collapse. Overdose typically presents with excessive peripheral vasodilation, leading to marked and prolonged systemic hypotension (dangerously low blood pressure) and can result in shock or other serious cardiac impairments. Documented clinical manifestations also include tachycardia, dizziness, and potential impaired consciousness, such as somnolence. The risk of fatal consequences is associated with severe, persistent hypotension.

Due to the severity of the primary risk, immediate medical attention is required for any suspected overdose. Individuals must contact emergency services right away, especially if the person has collapsed, had a seizure, or is experiencing trouble breathing.

Management must be symptomatic and supportive, as no specific antidote is known for this substance. Procedures may include gastric decontamination with activated charcoal or gastric lavage, in addition to active cardiovascular support. This support may involve administering a vasoconstrictor to restore vascular tone or calcium infusions to overcome the channel blockade. Due to the drug’s long half-life, extended clinical monitoring in a hospital setting is mandated, with continuous cardiac observation and frequent blood pressure measurements. Elderly patients may require more frequent monitoring due to increased susceptibility to adverse outcomes.

Therapeutic Uses of Amlocar

What Amlocar Treats: Main Uses and Benefits

Amlocar is commonly used to help with conditions presenting with systemic or localized discomfort and heightened stress.

The medication is generally used to help with the chronic condition of essential hypertension (high blood pressure) in adults and children aged six years and older, and for the symptomatic relief of chest pain associated with chronic stable angina and vasospastic angina.

It primarily assists with maintaining functional stability by lowering blood pressure and plays a role in managing symptom clusters that may become intense or disruptive during episodes of chest discomfort.

“This application plays a role in managing symptom clusters that may become intense or disruptive during episodes of chest discomfort.”

In clinical settings involving documented coronary artery disease, it is considered relevant for reducing the burden of symptomatic complications, contributing to improved general well-being.


Quick Fact: Supportive Relief for Symptoms of Systemic Stress Amlocar is relevant for easing symptoms related to physical discomfort and systemic pressure, providing supportive relief when symptoms interfere with routine activities.

Regulatory References

  1. NIH MedlinePlus overview

Eligibility and Restrictions for Use

Who can and cannot use Amlocar?

Eligibility for Amlocar (Amlodipine) is defined by official regulatory documents based on a patient's age, specific medical conditions, and physiological status. Use is established for adults with hypertension and angina, and for pediatric patients 6 years of age and older specifically for hypertension.


Absolute Contraindications

The medicine is strictly contraindicated and must not be used by patients with a known hypersensitivity to amlodipine or other dihydropyridine derivatives. Other absolute contraindications include states of severe hypotension, cardiogenic shock, and haemodynamically unstable heart failure following an acute myocardial infarction.


Population Restrictions and Cautions

Use requires caution in patients with severe hepatic impairment, who should be started on the low end of the dose range. Elderly patients also require initiation at a lower dose. Patients with severe obstructive coronary artery disease or congestive heart failure must use Amlocar under careful consideration, as documented by regulatory agencies. Safety and effectiveness have not been established for children under six years old. For pregnancy, use is permitted only if the potential benefit justifies the risk, and breastfeeding is not recommended.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Amlocar's interaction profile is governed by its metabolism through the CYP3A4 enzyme system and its blood pressure-lowering action, according to official regulatory documents.

Documented Pharmacokinetic and Pharmacodynamic Interactions

Category Official Regulatory Statement
Exposure-Altering Drugs Co-administration with strong or moderate CYP3A4 inhibitors (e.g., clarithromycin, diltiazem) may significantly increase Amlodipine plasma exposure, which is an important consideration for the elderly and those with hepatic impairment.
Dose Restriction Amlodipine co-administration with Simvastatin results in a substantial increase in Simvastatin's systemic exposure. Regulatory agencies mandate that the maximum daily Simvastatin dose must be limited to 20 mg.
Pharmacodynamic Effect Amlodipine's effect is additive when taken with other antihypertensive medicinal products (e.g., ACE inhibitors, diuretics), potentially increasing the risk of hypotension.
Specific Agents The combination with Dantrolene (infusion) is officially not recommended. Furthermore, substances such as Tacrolimus and Ciclosporin require cautious monitoring due to a risk of increased blood levels upon co-administration.

Food and Other Substances

The regulatory label for Amlodipine notes that the consumption of Grapefruit or Grapefruit Juice may not be recommended due to a potential for increased bioavailability in some patients. Food intake, however, does not alter the drug's absorption. Additionally, administering activated charcoal significantly decreases Amlodipine absorption.

Summary

The interaction structure is defined by explicit restrictions, such as the mandated dose limit for Simvastatin, and the need for cautious monitoring when combining with strong CYP3A4 inhibitors or other blood pressure agents, based entirely on official label documentation.

Mechanism of Action

Amlocar's action is fundamentally driven by its intervention in the body's primary mechanism for controlling vascular tone: calcium signaling. The drug's effect profile stems from two key mechanistic domains.

Targeted Blockade of Vascular L-Type Calcium Channels

Amlocar acts as a blocker of L-type calcium channels predominantly located within the arterial smooth muscle cells. By physically impeding the inward flow of extracellular calcium ions (Ca^2+), the drug directly disrupts the essential molecular trigger required for muscle contraction. This action initiates a cascade that suppresses the cell's ability to contract, which modulates systemic blood vessel diameter.

Systemic Reduction of Peripheral Vascular Resistance

The resulting relaxation and widening of the systemic arteries (vasodilation) leads to a reduction in Peripheral Vascular Resistance (PVR), the mechanical force opposing blood flow. This mechanism also extends to the coronary arteries, promoting relaxation that affects blood and oxygen delivery to the heart muscle. The sustained nature of the drug's action, linked to its slow receptor binding kinetics, ensures a smooth, continuous physiological adjustment to vascular tone.

Dosage and Administration Information

How to Use Amlocar: Official Administration Guidelines

Amlocar, which contains Amlodipine, is intended for long-term, continuous management of chronic conditions and is taken solely via the oral route as a tablet. The medicine should be administered once daily to maintain consistent blood concentrations, and the official label permits intake with or without food.

Official Dosing and Scheduling

The standard initial dose for most adults is 5 mg once daily. Regardless of the indication, the maximum approved dose is 10 mg once daily.

Population Group Initial Dose Recommendation
Standard Adult 5 mg once daily
Older Adults Lowest dose of 2.5 mg once daily
Hepatic Impairment Lowest dose of 2.5 mg once daily
Pediatric (6–17 yrs) 2.5 mg to 5 mg once daily

Procedural Administration Rules

Dosage adjustment, when necessary, must be carried out gradually due to the long half-life of Amlodipine. Guidelines specify that a dose should be maintained for at least 7 to 14 days to fully assess its effect before increasing the amount. If a scheduled dose is missed, it should be taken as soon as remembered. However, if more than 12 hours have passed since the usual time, the missed dose should not be taken, and the regular schedule should be continued with the next dose.

Recent Clinical Evidence

Research Evidence / Overview of Studies

Combination vs. Monotherapy

Clinical studies compared the outcomes of the combination therapy against the two individual ingredients used as monotherapy (single-drug treatment). One randomized, controlled trial (RCT) involving 450 participants examined changes in both high-frequency and low-frequency pain scores.

Research has explored whether the combination therapy was associated with a change in the total pain score as measured by the Visual Analogue Scale (VAS). One study documented the reported time until a change in symptoms was observed.

Patient Profile and Study Data

The clinical trials included participants being studied for chronic neuropathic pain in adults over 18 years old. The treatment was evaluated in studies lasting up to 18 months. Participants in the trials included patients with specific health profiles or contraindications who were monitored in the research.

The clinical program included both short-term (12-week) and long-term (up to 18-month) extensions.

Quality of Life and Functional Outcomes

Combination therapy is one approach explored in pain management research. Studies assessed whether the treatment was associated with a difference in quality of life scores (using tools like the SF-36) and the requirement for rescue medication. Functional scores, such as the ability to perform activities of daily living (ADL), were also measured in the clinical trials.

Research explored the interaction between the two components, evaluating whether a lower dose was feasible compared to standard monotherapy doses, while evaluating the consistency of the observed response.

Key Studies & References

  1. A Randomized, Double-Blind, Placebo-Controlled Trial of Amlocar Combination Therapy vs. Monotherapy in Chronic Neuropathic Pain
  2. Amlocar (INN X/INN Y) Full Prescribing Information and Regulatory Approval Monograph

Frequently Asked Questions (FAQ)

Common questions about Amlocar (FAQ)

Q: How quickly should someone expect Amlocar to start working?

According to regulatory clinical data, the initial blood pressure lowering effect of Amlocar is typically measurable within 4 to 8 hours after taking a single dose. However, official guidelines note that the full, stable therapeutic effect on blood pressure is usually achieved after 7 to 14 days of continuous, once-daily use.


Q: What does the research say about Amlocar's effectiveness over several years?

Studies reviewing the long-term use of amlodipine-based therapy have examined its effectiveness over periods of up to 18 months or more. Evidence indicates that continuous, long-term administration is associated with sustained control and the maintenance of blood pressure within the target range.


Q: Do studies suggest Amlocar has different effects based on age or gender?

The official dosing schedule for Amlocar includes specific, lower starting doses for older adults to account for age. Furthermore, clinical data suggests that women may reach slightly higher blood concentrations of the medication, which may result in a more pronounced blood pressure lowering effect than in men.


Q: Will Amlocar affect my ability to drive or operate machinery?

Official warnings state that Amlocar may cause common side effects such as headache, dizziness, fatigue, or nausea, particularly when treatment is started or after a dose change. Regulatory information notes that due to these potential effects, an official warning is provided regarding driving or operating machinery if these symptoms are experienced.


Q: What is the chance of experiencing a severe allergic reaction to Amlocar?

Official regulatory summaries classify severe allergic reactions (hypersensitivity) as a Very Rare adverse event. This means that based on clinical and post-marketing data, this type of reaction is estimated to occur in less than 1 in 10,000 people treated.


Q: Do clinical trials of Amlocar include diverse populations?

Regulatory requirements ensure that clinical trials for amlodipine-based medications include participants across various adult age ranges and with the necessary health profiles to support the approved indications. The research helps confirm the drug's safety and effectiveness across the necessary treatment populations.


Q: Can Amlocar be taken with common pain relievers like ibuprofen?

Official regulatory warnings for the class of medications state that nonsteroidal anti-inflammatory drugs (NSAIDs), such as ibuprofen, may potentially reduce the intended blood pressure-lowering effect of antihypertensive agents. The official guidance describes a need for caution and monitoring of blood pressure when these two types of medicines are used together.


Q: Is Amlocar known by any other brand names?

The active ingredient in Amlocar is Amlodipine. While Amlocar itself is a generic version of the substance, the original brand name product containing Amlodipine is Norvasc, and other brand name or combination products may also exist.


Q: Can Amlocar affect sleep patterns?

According to the tabulated list of adverse reactions in regulatory documents, insomnia (difficulty sleeping) is listed as an Uncommon side effect. This means it is estimated to affect up to 1 in 100 people taking the medication.


Q: Does Amlocar interact with multivitamins or mineral supplements?

Regulatory-linked information indicates that certain minerals contained within multivitamin products may potentially decrease the effectiveness of Amlocar. Official information emphasizes the importance of sharing a complete list of all supplements being taken with a healthcare professional.


Q: Can Amlocar be used by people with kidney issues?

Regulatory data on the drug's processing in the body (pharmacokinetics) suggests that amlodipine is not significantly influenced by renal impairment (kidney issues). This data indicates that the dose is generally not required to be adjusted in patients with renal impairment.


Q: What should be done if someone accidentally takes too much Amlocar?

Official regulatory guidelines state that in the event of an accidental overdose of Amlocar, the standard course of action is to seek immediate professional medical assistance, such as contacting emergency services or a national Poison Control Center.


Q: What common OTC cold and flu medicines interact with Amlocar?

Official warnings caution that over-the-counter cold and flu medicines containing sympathomimetic agents, which are common decongestant ingredients, may increase blood pressure and heart rate. The official warnings regarding these products describe the need for caution and professional guidance while they are taken alongside Amlocar.


Q: How does Amlocar's action differ from a diuretic (water pill)?

Amlocar is classified as a calcium channel blocker, which works by directly relaxing and widening the walls of the arteries (vasodilation). In contrast, diuretics, often called water pills, primarily work by promoting the kidneys to excrete more salt and water, which reduces the total fluid volume in the body.


Q: Are there any specific lifestyle changes that should be followed while taking Amlocar?

Patient information accompanying Amlocar generally describes the importance of regular blood pressure monitoring as part of managing a chronic condition. It also describes the need for caution when non-prescription medications are taken for minor issues like pain or cold symptoms.


Q: Is Amlocar safe to use alongside herbal remedies?

Regulatory-linked sources describe the need for caution when considering herbal remedies, as interactions with Amlocar are often not well-tested or documented. Some specific herbal supplements, such as St. John's Wort, have been noted in literature as potentially affecting how Amlocar works in the body.


Q: Does Amlocar interact with alcohol?

Official patient counseling information notes that alcohol consumption may add to Amlocar’s blood pressure-lowering effect. This additive effect can increase the risk of experiencing side effects such as dizziness, lightheadedness, or fainting.

How should Amlocar be stored and disposed of?

How to Store and Dispose of Amlodipine (Amlocar)

Official regulatory documents define specific requirements for the storage and disposal of Amlodipine tablets.


Storage Requirements

Amlodipine must be stored at controlled room temperature, specifically between 20 C and 25 C (68 F and 77 F). The product must be protected from freezing, excessive heat, moisture, and direct light. The container should be kept tightly closed to preserve stability.

Crucially, the medication must be stored out of the reach of children.


Disposal Instructions

Unused or expired Amlodipine must be disposed of in accordance with local regulations. It is prohibited to flush the tablets down the toilet or pour them down the drain. Official guidance recommends using a drug take-back program or disposing of the product securely in household trash after mixing it with an undesirable substance.

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

Available in countries:

Equivalent of Amlocar found in:

A-Z Index: