Alodine

Quick links to important sections

Alodine

Medically reviewed

Laura Arias

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Alodine

Property Description
Active ingredient Amlodipine (INN)
Form Oral solid preparation (Tablet)
Pharmacological class Calcium Channel Blocker (Dihydropyridine)
General purpose Optimizing blood flow and circulatory stability
Origin Synthetic small molecule

Defining the Drug: Alodine's Core Identity and Composition

Alodine is a commercial brand name for a medication containing the synthetic small molecule Amlodipine as its active ingredient. The drug is consistently supplied as an oral solid preparation, specifically a tablet, utilizing the stabilized salt form, Amlodipine besylate. This formulation, designed for the oral route of administration, is a distinguishing feature of the brand.

The active component, Amlodipine, is an agent clinically recognized worldwide. This recognition supports its global use and therapeutic reliability. As a single-agent product, the brand relies exclusively on the pharmacological effects of Amlodipine to produce its action.


What Type of Medicine is Alodine?

Amlodipine is definitively classified as a Calcium Channel Blocker (CCB) belonging to the dihydropyridine subclass. This classification signifies the drug's action: modulating the movement of calcium ions into specific muscle cells.

Its unique pharmacological profile establishes Alodine as a long-acting vascular modulator. This characteristic is designed to provide sustained therapeutic presence and continuous protection over a 24-hour period, a key differentiating factor from older, less selective agents.


General Purpose: How Alodine Affects the Circulatory System

The general therapeutic purpose of Alodine is to ease the demands on the heart by promoting peripheral arterial vasodilation—the widening and relaxation of the blood vessels. This effect is achieved through the fundamental mechanism of inhibiting calcium ion influx into the vascular smooth muscle cells.

By relaxing the arterial walls, the drug directly facilitates a decrease in peripheral vascular resistance, allowing blood to circulate more freely throughout the body. The general benefit of this pharmacological action is a consistent optimization of blood flow and circulation, which promotes a sustained state of cardiovascular stabilization.

Regulatory References

  1. Amlodipine entry in WHO Essential Medicines List
  2. Amlodipine monograph on NCBI Bookshelf (StatPearls)

What side effects are possible with Alodine?

The safety profile of Alodine, containing the active ingredient Amlodipine, is based on official government regulatory classifications of adverse reactions by frequency and physiological system.

Officially Documented Adverse Reactions by Frequency

The most frequently reported adverse reaction is oedema (peripheral swelling), which is classified as Very Common (ge 1/10) in regulatory documents.

Adverse reactions classified as Common (ge 1/100 to <1/10) typically affect the nervous, vascular, and gastrointestinal systems. These include headache, dizziness, somnolence, palpitations, flushing, nausea, and abdominal pain. Regulatory documents note that effects such as headache and dizziness are often more common at the beginning of treatment. Uncommon reactions (ge 1/1,000 to <1/100) include syncope, tremor, hypotension, dyspnoea, rash, and pruritus. Rare reactions (ge 1/10,000 to <1/1,000) include confusion.

Serious Safety Considerations

The official labeling highlights rare but clinically significant safety concerns. Worsening of angina or acute myocardial infarction may occur upon initiation or dose increase, particularly in patients with severe obstructive coronary artery disease. Symptomatic hypotension is also documented as a risk. Very rare events (<1/10,000) include serious allergic reactions such as angioedema, as well as hepatobiliary events like hepatitis and jaundice.

Population-Specific Safety Notes

The product information includes specific cautions for certain populations. Hepatic impairment (liver function issues) requires careful administration due to the drug's decreased clearance and resulting increased systemic exposure. Similarly, older adults (geriatric patients) require caution due to observed reduced clearance. In patients with severe heart failure (NYHA Class III and IV), a higher incidence of pulmonary oedema was reported in clinical studies.

Overdose and Emergency Response

Overdose and When to Seek Help

Any suspected overdose of Alodine (Amlodipine) requires immediate assessment, and emergency medical services must be contacted immediately. This regulatory mandate is based on the potential for severe, life-threatening outcomes documented in prescribing information, which necessitates prompt, specialized medical attention and continuous monitoring within a hospital setting.

Documented Overdose Manifestations

Overdosage is characterized by an extreme extension of the drug’s pharmacological effects. The primary clinical signs include excessive peripheral vasodilation leading to marked and prolonged systemic hypotension. Severe overdose may result in reflex tachycardia or, less commonly, bradycardia, along with reports of impaired consciousness. The most serious documented risks are the progression to circulatory collapse and shock, including fatal outcomes reported in regulatory summaries.

Official Management and Monitoring

No specific antidote is known for Amlodipine overdose; therefore, management in a hospital setting is centered on symptomatic and supportive treatment. Regulatory guidance specifies procedures such as the use of intravenous calcium gluconate and vasopressors to specifically counter profound hypotension. Due to the long elimination half-life of Amlodipine, prolonged hospital observation with continuous cardiac monitoring is required, particularly for patients with hepatic impairment where overdose effects may be significantly extended.

Therapeutic Uses of Alodine

What Alodine Treats: Main Uses and Benefits

Alodine is commonly used for managing conditions and symptoms related to heightened physiological activity in the cardiovascular system, primarily Systemic High Blood Pressure (Hypertension). This medication helps address symptoms related to systemic imbalance by contributing to the management of elevated arterial pressure. This sustained therapeutic presence generally supports the goal of addressing long-term cardiovascular risks in both adults and pediatric patients aged 6–17.

The medication is also applied across domains where additional symptomatic support is needed for Angina Pectoris, including chronic stable angina and vasospastic angina, and is relevant for supporting the symptomatic management of documented Coronary Artery Disease (CAD). This use contributes to improved day-to-day comfort by easing recurring chest pain or discomfort and supporting the management of the frequency and intensity of anginal episodes. In high-risk clinical settings, Alodine may assist with maintaining functional stability.


Quick Fact: Symptomatic Support for Anginal Chest Discomfort

Eligibility and Restrictions for Use

Eligibility Map: Who can and cannot use Alodine — Official Regulatory Information

The eligibility for Alodine, which contains amlodipine, is strictly defined by regulatory authorities based on known contraindications, age restrictions, and specific medical conditions.


Populations for Whom Use is Contraindicated

  • Hypersensitivity: The medicine must not be used by patients with a known sensitivity to amlodipine, any dihydropyridine derivatives, or the product's excipients.
  • Severe Circulatory Conditions: Regulatory agencies in some regions contraindicate use in patients experiencing severe hypotension, cardiogenic shock, or obstruction of the outflow tract of the left ventricle, such as high-grade aortic stenosis.

Age-Related and Conditional Eligibility

Population Group Regulatory Status
Adults (Hypertension/Angina) Approved for use under standard labeled conditions.
Pediatric (6 to 17 years) Approved for Hypertension only; safety for use in children under 6 years is not established.
Geriatric Patients Must start treatment at the low end of the dose range due to decreased clearance.
Hepatic Impairment Use requires caution; a lower starting dose may be necessary.
Pregnancy/Lactation Safety in human pregnancy is not established. Discontinuation of nursing is recommended by the FDA label.
Renal Impairment Standard initial dosing is acceptable as pharmacokinetics are not significantly influenced.

The official documents establish absolute prohibitions and mandate conditional use for specific populations based on age, organ function, and cardiovascular status.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documents from agencies such as the FDA and EMA establish specific constraints for co-administration of this product with other medications, particularly those affecting metabolic pathways or having additive clinical effects.

Key Interacting Categories and Substances

Interaction Type Interacting Categories/Substances
Metabolic Inhibition (CYP3A4) Strong and moderate CYP3A4 Inhibitors (e.g., certain azole antifungals like ketoconazole, macrolide antibiotics like clarithromycin, and certain HIV protease inhibitors).
Metabolic Induction (CYP3A4) CYP3A4 Inducers (e.g., Rifampicin).
Drug-Food Interaction Grapefruit/Grapefruit Juice.
Pharmacodynamic Additive Effect Other Antihypertensive/Hypotensive Agents.
Interaction with Co-administered Drug Metabolism Simvastatin.

Interaction Constraints and Requirements

Co-administration with strong CYP3A4 inhibitors increases the systemic exposure of this product, and regulatory labeling notes that this effect may be more pronounced in elderly patients or those with impaired liver function. Conversely, co-administration with CYP3A4 inducers may lead to reduced systemic exposure. The ingestion of grapefruit or grapefruit juice is noted as a restriction due to its potential to increase systemic exposure. When this product is used concurrently with Simvastatin, an official restriction requires that the dose of Simvastatin be limited to mitigate the increased risk of muscle-related toxicity. Concurrent use with other agents that lower blood pressure necessitates careful clinical monitoring due to the potential for an additive hypotensive effect.

Mechanism of Action

Alodine is a chemical conversion coating process applied to metal surfaces, primarily aluminum and its alloys. The mechanism involves an interaction between the metal substrate and a solution containing chromate compounds, typically hexavalent or trivalent chromium. The metal surface acts as the targeted reaction site, where the solution causes a localized oxidation-reduction reaction.

The initial interaction involves the partial dissolution of the native aluminum oxide layer. Subsequently, the solution's constituents react with the exposed aluminum, resulting in the precipitation and formation of a thin, insoluble film composed of hydrated chromium oxide and aluminum oxide. This film is formed in situ and is chemically bonded to the substrate, creating a system-level physiological consequence of a new, stable surface layer. This layer functions as a physical barrier interaction, separating the reactive metal surface from the external corrosive environment. The film is characterized by a slightly amorphous and porous structure that promotes surface stability.

Dosage and Administration Information

Alodine, which contains the active ingredient amlodipine, is administered exclusively by the oral route as a tablet or solution. The medication is typically administered as a once-daily intake, a frequency pattern designed to provide sustained therapeutic presence over a 24-hour period. To maintain consistent drug levels, the dose is generally taken at the same time each day, and may be consumed with or without food.

The standard starting dose for most adults is 5 mg once daily. Depending on the clinical response, the dose may be gradually increased up to a maximum dose of 10 mg once daily. Clinical practice involves waiting a period of at least 7 to 14 days between dose titrations to fully assess the effect of the current dosage.

There are specific dose considerations for certain populations. For older adults and patients with hepatic impairment, a lower initial dose of 2.5 mg once daily is typically utilized due to differences in drug clearance. Conversely, no initial dose adjustment is necessary for patients with renal impairment. In the event of a missed dose, the standard procedure is to take it immediately if less than 12 hours have passed; otherwise, the missed dose is skipped entirely, and the next dose is taken on the regular schedule. A double dose is not administered. Treatment is generally managed as a long-term, chronic therapy.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Alodine

Evidence for Use in Systemic High Blood Pressure (Hypertension)

Research exploring Alodine for managing high blood pressure primarily involved large-scale, long-term Randomized Controlled Trials (RCTs). These studies were used to monitor measured differences in blood pressure levels over a defined time interval, comparing the outcomes to placebo and, in some trials, to other active study agents. Researchers examined changes in Systolic and Diastolic Blood Pressure (BP) and tracked whether participants achieved pre-defined target BP numbers. These large studies included diverse adult cohorts, often involving older adults and those with other systemic conditions.

Studies reported consistent patterns measured during the study period: Amlodipine use was observed to be associated with measured differences in both systolic and diastolic blood pressure levels compared to placebo across adult cohorts. The evidence base is substantial for adults, but the long-term outcomes are not fully established for all groups. Specifically, while Amlodipine was evaluated in pediatric patients aged 6 to 17 years, the research provides limited information for long-term outcomes in this group, as follow-up durations were restricted.


Evidence for Use in Angina Pectoris and Coronary Artery Disease (CAD)

For conditions such as chronic stable angina, Amlodipine was studied for research related to changes in anginal symptoms. Research involved controlled clinical trials that primarily focused on changes in the reported frequency of chest discomfort episodes. Studies also monitored the need for rescue medications and functional measures, such as metrics related to exercise tolerance. Research highlights changes measured during the study period, with findings describing patterns in the frequency of anginal episodes.

Regarding Angiographically Documented Coronary Artery Disease (CAD), long-term cardiovascular outcome trials monitored outcomes reflecting daily functioning, such as the need for hospitalization or revascularization procedures. The data describe occurrence rates of certain cardiovascular events tracked over follow-up durations extending for several years. The results apply only to the specific populations studied (those without co-existing heart failure).


What Research Gaps and Uncertainties Exist

One key limitation is the scarcity of evidence regarding the long-term cardiovascular outcomes for children and adolescents taking the medication. Additionally, while comparative evidence against placebo is clear, comparative evidence is lacking in some instances against newer therapeutic agents. Findings were sometimes mixed or varied across smaller studies examining outcomes in very specific, high-risk patient subgroups, meaning certainty remains low for outcomes in certain complex conditions.

Key Studies & References

  1. World Health Organization (WHO) Model List of Essential Medicines
  2. NICE Guideline: Hypertension in adults: diagnosis and management (NG136)

Frequently Asked Questions (FAQ)

Common questions about Alodine (FAQ)


Q: What should I do if I miss a dose of Alodine?

Official regulatory guidance addresses this specific scenario. If fewer than 12 hours have passed since the scheduled dose, it is indicated that the missed dose should be taken immediately. If more than 12 hours have passed, the missed dose must be skipped entirely, and the next dose should be taken on the regular schedule. Official guidance specifies that a double dose must not be taken.


Q: Can Alodine be taken with pain relievers like ibuprofen?

Official documents describe that some types of pain relievers, specifically Nonsteroidal Anti-inflammatory Drugs (NSAIDs), may lead to a potential decrease in the blood pressure-lowering effect of medicines like Alodine. Due to this potential interaction, monitoring of the intended therapeutic effect may be advised when these products are used together.


Q: Will Alodine interact with vitamins or herbal supplements?

Regulatory sources advise informing a healthcare professional about all products being taken, including vitamins and herbal supplements. Some official reports describe certain mineral-containing products as potentially decreasing the effect of the active ingredient. Discussing all co-administered products helps ensure appropriate use.


Q: Does Alodine have a 'black box warning' mentioned in official documents?

Amlodipine, the active ingredient in Alodine, does not carry an FDA Boxed Warning (a type of serious caution sometimes referred to as a 'black box warning') on its monotherapy label. Official labeling does, however, include specific sections detailing important warnings and precautions.


Q: What if I feel like Alodine is not working for me after a few weeks?

The official protocol for dose adjustments is established to allow the drug time to work. The guidance recommends waiting a period of at least 7 to 14 days between any potential dose changes to fully assess the effect of the current dosage. This timeframe is noted because it takes time for the medication to reach stable therapeutic levels.


Q: What is the main difference between Alodine and other drugs for the same condition?

Alodine's active ingredient, Amlodipine, is classified as a Calcium Channel Blocker (CCB) belonging to the dihydropyridine subclass. This designation signifies that its fundamental action is modulating the movement of calcium ions into specific muscle cells, which in turn promotes the widening of blood vessels.


Q: Do I need a special diet while taking Alodine?

Official product information notes one specific restriction related to food and beverage intake. The ingestion of grapefruit or grapefruit juice is described as having the potential to increase the systemic exposure of the active ingredient.


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

Pharmacological studies indicate that the active ingredient reaches its highest concentrations in the bloodstream between 6 and 12 hours after a single dose. Consistent effects, however, are related to achieving steady-state levels, which typically occurs after about 7 to 8 days of taking the medication daily.


Q: Is Alodine considered a controlled substance?

No, the active ingredient in Alodine, Amlodipine, is not classified as a controlled substance under the U.S. Controlled Substances Act.


Q: Are there any known long-term effects of taking Alodine?

The active ingredient is generally intended for long-term, chronic therapy. While the evidence base for adults is substantial, research has noted limitations regarding the fully established long-term cardiovascular outcomes for specific groups, such as children and adolescents.


Q: Does Alodine cause weight gain or weight loss?

Weight changes, including both weight increase and decrease, have been reported in clinical trial data. These reactions are classified as uncommon or rare in regulatory documents, meaning they were reported by less than 1% of patients.


Q: Is Alodine safe to take if I have liver problems?

The use of Alodine in patients with hepatic impairment (liver problems) requires caution. Official documents note that a lower initial starting dose is typically necessary for this population due to observed decreased clearance of the drug from the body.


Q: Is there a generic version of Alodine available?

Yes, Alodine’s active ingredient, Amlodipine, is available in both brand-name and generic versions.


Q: Can people with high blood pressure use Alodine?

Yes, regulatory authorities have approved Alodine for the treatment of hypertension (high blood pressure) in adults, and for the same condition in children between the ages of 6 and 17 years.


Q: Is it normal to feel a certain way after starting Alodine?

Official regulatory documents indicate that certain common effects, such as headache and dizziness, are often more frequently reported during the initial period of starting treatment. These documented effects may be temporary as the body adjusts to the medication.


Q: Does Alodine cause drowsiness or make me feel tired?

Yes, both somnolence (drowsiness) and fatigue (tiredness) are listed in official regulatory documentation as Common adverse reactions, meaning they are observed in at least 1 out of 100 patients.


Q: Do studies suggest Alodine's effectiveness varies between different groups of people?

Research studies and official documentation have noted that dose considerations and clinical outcomes may vary among different patient groups. Specific differences and cautions are cited for older adults and pediatric patients compared to the general adult population.


Q: Are official sources clear about what to do in case of an accidental overdose?

Official information regarding overdose, which may result in symptoms like excessive lowering of blood pressure, directs that emergency medical attention should be sought immediately.


Q: Can Alodine affect my sleep pattern?

Official regulatory labeling for the active ingredient documents insomnia (difficulty sleeping) as an Uncommon adverse reaction. This means it is a less frequent but reported effect.


Q: How does the official literature describe the possible side effects on mood?

Regulatory documents list mood changes (including anxiety) and depression as Uncommon adverse reactions. Confusion is also documented, though it is categorized as a Rare adverse reaction.


Q: Can I take Alodine if I am pregnant or planning to be?

Official documents state that safety for use in human pregnancy has not been established. For patients who are breastfeeding, the FDA label includes a recommendation for the discontinuation of nursing.


Q: Is there a link between Alodine and hair loss mentioned in studies?

Official regulatory reporting includes alopecia (hair loss) as a very uncommon adverse reaction, meaning it is reported in less than 1 out of 100 patients based on available data.


Q: Can Alodine affect my ability to drive or operate machinery?

Official product information advises that the medication may potentially affect the ability to drive or operate machinery. This is due to the possible occurrence of adverse reactions like dizziness, headache, or fatigue, particularly when treatment is started or the dose is changed.


Q: Are there any known interactions between Alodine and alcohol?

Regulatory documents indicate that alcohol may have an additive effect in lowering blood pressure when taken concurrently with Alodine. This could increase the potential for symptoms such as dizziness or lightheadedness due to an enhanced hypotensive effect.

How should Alodine be stored and disposed of?

How to Store and Dispose of Alodine (Amlodipine)

The storage and disposal of Alodine tablets must align with the conditions specified in official regulatory labeling to ensure product integrity and public safety.

Storage Requirements

Alodine must be stored at controlled room temperature, specifically between 20 C and 25 C (68 F and 77 F). The medication must be protected from moisture by storing it in its original container and ensuring the container is tightly closed. It is a mandatory requirement to keep Alodine out of the reach and sight of children.

Disposal Instructions

Unused or expired Alodine product must be disposed of according to local regulatory requirements. Patients should utilize a drug take-back program when available. Unused medication must not be disposed of by flushing down the toilet or placing it in household trash unless specifically directed by a national authority.

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

Available in countries:

Equivalent of Alodine found in:

A-Z Index: