Product image of Lacerol Retard (Diltiazem Hydrochloride) supplied by GNH India

Lacerol Retard

Active Ingredient:
Diltiazem Hydrochloride
Origin:
EU

Lacerol Retard (Diltiazem Hydrochloride)

Diltiazem Hydrochloride, the active ingredient in Lacerol Retard, is a calcium channel blocker presented as an oral tablet for oral use. It is employed to manage high blood pressure, relieve chest pain from angina, and treat certain cardiac rhythm disturbances in adult patients.

GNH India supplies Lacerol Retard as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides reliable sourcing for regulated markets. Its distribution network ensures timely delivery and compliance with local regulatory requirements across multiple regions.

Manufacturer / TM Owner

Lacer S.A.

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Indications & Clinical Uses

  • Diltiazem is a calcium channel blocker used in cardiovascular disease management.
  • Hypertension: reduces systemic vascular resistance, helping to lower elevated blood pressure and improve long‑term control.
  • Angina pectoris: enhances coronary blood flow while decreasing myocardial oxygen demand, thereby relieving chest pain episodes.
  • Cardiac arrhythmias: slows atrioventricular conduction and can help control certain supraventricular tachyarrhythmias, improving rhythm stability.

How It Works

  • Diltiazem binds to L‑type calcium channels in vascular smooth muscle and cardiac myocytes, inhibiting calcium influx during depolarization. This action produces vasodilation of arterial beds, reduces peripheral resistance, and decreases myocardial contractility and heart rate, thereby lowering blood pressure and alleviating myocardial oxygen demand. The reduced intracellular calcium also slows conduction through the atrioventricular node, contributing to its antiarrhythmic effect.

Side Effects

Diltiazem may be associated with a range of adverse reactions, varying from mild to severe.

Common Side Effects

  • Headache: mild to moderate headache.
  • Flushing: sensation of warmth and redness.
  • Peripheral edema: swelling of the ankles or lower legs.
  • Dizziness: light‑headedness, especially on standing.

Serious or Rare Side Effects

  • Severe bradycardia: markedly reduced heart rate requiring medical attention.
  • Atrioventricular block: impaired conduction that may necessitate pacing.
  • Hypotension: significant drop in blood pressure leading to fainting or shock.

Precautions & Warnings

When prescribing Diltiazem, clinicians should observe several safety considerations to minimize risk.

  • Monitor blood pressure: check regularly to ensure therapeutic reduction without excessive hypotension.
  • Assess cardiac function: evaluate heart rate and rhythm, especially in patients with conduction disorders.
  • Use caution in hepatic impairment: dose adjustment may be needed due to metabolism.
  • Avoid in severe heart failure: risk of worsening cardiac output.
  • Review concomitant medications: consider interactions that may potentiate bradycardia or hypotension.
  • Store below 25°C: keep in the original packaging, protect from moisture and heat.

Avoid Interactions

Diltiazem interacts with several medicines; awareness of the interaction level guides clinical management.

Major Interactions (Avoid)

  • Beta‑blockers: combined use can cause profound bradycardia and AV block.
  • Strong CYP3A4 inhibitors (e.g., ketoconazole, clarithromycin): increase diltiazem plasma concentrations, raising toxicity risk.
  • Digoxin: elevated levels may lead to digoxin toxicity.

Moderate Interactions (Monitor Closely)

  • CYP3A4 inducers (e.g., rifampin, carbamazepine): may reduce diltiazem effectiveness.
  • Diuretics: additive hypotensive effect, monitor blood pressure.
  • NSAIDs: may blunt antihypertensive response, require BP monitoring.

Frequently Asked Questions

Lacerol Retard contains diltiazem, a calcium channel blocker indicated for the treatment of hypertension, angina pectoris, and certain cardiac arrhythmias. It helps lower high blood pressure, relieves chest pain caused by reduced coronary blood flow, and can control abnormal heart rhythms by slowing atrioventricular conduction.

Diltiazem blocks L‑type calcium channels in vascular smooth muscle and cardiac cells, reducing calcium entry during depolarization. This causes arterial vasodilation, lowers peripheral resistance, and decreases myocardial contractility and heart rate. The resulting effect lowers blood pressure, eases the heart’s oxygen demand, and slows conduction through the AV node, aiding rhythm control.

The appropriate dose of Lacerol Retard is set by the prescribing clinician based on the individual’s medical condition, response to therapy, and factors such as age, liver function, and concomitant medications. Dosage adjustments may be required for patients with hepatic impairment or when used with interacting drugs.

Safety of diltiazem during pregnancy and lactation has not been definitively established. It should be used only if the potential benefit justifies any possible risk to the fetus or infant. Women who are pregnant, planning pregnancy, or breastfeeding should discuss alternatives and risks with their healthcare provider.

To order Lacerol Retard, submit an enquiry on the product page at gnhindia.com, specifying the required quantity. GNH India supplies hospitals, pharmacies and procurement teams worldwide, and will request verification of trade or institutional credentials. The sales team will then provide pricing, availability, shipping details and any necessary import documentation.

Lacerol Retard (diltiazem) is a non‑dihydropyridine calcium channel blocker, offering both vasodilatory and negative‑inotropic effects. Compared with dihydropyridine agents such as amlodipine, diltiazem provides more pronounced heart‑rate reduction and AV‑node slowing, making it useful for certain arrhythmias, while amlodipine is often preferred for pure antihypertensive therapy with less effect on heart rate.

Lacerol Retard should be stored below 25 °C in a dry place, protected from moisture and direct sunlight. Keep the tablets in the original container with the lid tightly closed. Do not refrigerate or freeze the product, and ensure it is out of reach of children.

Lacerol Retard is taken orally as a tablet. Swallow the tablet whole with a glass of water; it may be taken with or without food according to the prescriber’s advice. Do not crush, chew, or split the tablet unless specifically instructed by a healthcare professional.

The most serious adverse events include severe bradycardia, atrioventricular block, and marked hypotension, which can lead to syncope or cardiovascular collapse. Rarely, hepatic dysfunction or life‑threatening allergic reactions may occur. Patients should be monitored for these signs, especially when initiating therapy or adjusting doses.

Lacerol Retard is contraindicated in patients with second‑ or third‑degree AV block, sick‑sinus syndrome without a functioning pacemaker, severe heart failure (NYHA class IV), and in those with known hypersensitivity to diltiazem or any component of the formulation. Caution is also advised for individuals with significant hepatic impairment.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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