Product image of Norvasc (Amlodipine) supplied by GNH India

Norvasc

Active Ingredient:
Amlodipine
Origin:
EU

Norvasc (Amlodipine)

Amlodipine, the active ingredient in Norvasc, is a calcium channel blocker presented as a tablet for oral use. It treats hypertension and angina pectoris in adult patients.

GNH India supplies Norvasc as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Upjohn Eesv

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Indications & Clinical Uses

  • Norvasc belongs to the calcium channel blocker class and is used to manage cardiovascular conditions.
  • Hypertension: lowers systemic blood pressure and reduces the risk of cardiovascular events.
  • Angina pectoris: improves coronary blood flow and relieves chest pain associated with stable angina.

How It Works

  • Amlodipine selectively inhibits the influx of calcium ions through L-type calcium channels in vascular smooth muscle and cardiac myocytes. This inhibition leads to relaxation of arterial smooth muscle, resulting in vasodilation, decreased peripheral vascular resistance, and reduced cardiac afterload, thereby lowering blood pressure and improving myocardial oxygen supply.

Side Effects

Amlodipine may cause a range of adverse reactions, from mild to severe.

Common Side Effects

  • Headache: mild to moderate intensity, often transient.
  • Peripheral edema: swelling of the ankles or lower legs.
  • Flushing: sensation of warmth and redness, usually on the face or neck.
  • Dizziness: light‑headed feeling, especially when standing quickly.

Serious or Rare Side Effects

  • Severe hypotension: marked drop in blood pressure requiring medical attention.
  • Myocardial infarction: rare occurrence of heart attack.
  • Hepatic dysfunction: abnormal liver enzyme elevations.
  • Allergic reactions: rash, itching, or swelling of the face and throat.
  • Cardiac arrhythmia: irregular heart rhythm that may be life‑threatening.

Precautions & Warnings

  • Before initiating therapy, consider the following safety measures.
  • Monitor blood pressure: ensure adequate control and avoid excessive lowering.
  • Use caution in hepatic impairment: dose adjustments may be required.
  • Avoid abrupt discontinuation: tapering reduces risk of rebound hypertension.
  • Exercise caution in heart failure: monitor for worsening symptoms.
  • Store at room temperature: keep in the original pack, protect from moisture and direct sunlight.

Avoid Interactions

Amlodipine can interact with several medicines; awareness helps prevent adverse outcomes.

Major Interactions (Avoid)

  • Simultaneous use with strong CYP3A4 inhibitors (e.g., ketoconazole) may increase plasma levels.
  • Co‑administration with other antihypertensives can cause excessive blood pressure reduction.
  • Concurrent use with grapefruit juice may elevate amlodipine concentrations.

Moderate Interactions (Monitor Closely)

  • Combination with CYP3A4 inducers (e.g., rifampicin) may reduce efficacy.
  • Use with beta‑blockers requires monitoring for additive heart rate effects.

Frequently Asked Questions

Norvasc (amlodipine) is prescribed primarily for managing hypertension and for relieving symptoms of angina pectoris. By lowering blood pressure and improving coronary blood flow, it helps reduce the risk of cardiovascular complications in adult patients.

Amlodipine blocks L‑type calcium channels in vascular smooth muscle and cardiac cells. This action prevents calcium entry, causing arterial dilation, decreasing peripheral resistance, and lowering blood pressure while also enhancing myocardial oxygen delivery.

The appropriate dose of Norvasc is determined by a qualified prescriber based on the individual’s medical condition, response to therapy, and other factors. Patients should follow the dosing instructions provided by their healthcare professional.

The safety of amlodipine in pregnancy and lactation has not been definitively established. It should only be used if the potential benefit justifies any possible risk to the fetus or infant, and this decision must be made by a healthcare provider.

To place an order, submit an enquiry on the product page at gnhindia.com specifying the required quantity. GNH India works with hospitals, pharmacies, and procurement teams worldwide, verifies trade or institutional credentials, and then provides pricing, availability, shipping details, and any necessary import documentation.

Compared with other classes such as ACE inhibitors or beta‑blockers, amlodipine offers once‑daily dosing and a favorable side‑effect profile, particularly regarding metabolic effects. However, individual response varies, and the choice of therapy should be guided by the patient’s overall health status and comorbidities.

Norvasc tablets should be stored at room temperature, below 25 °C, in the original packaging to protect them from moisture and light. Keep the container tightly closed and out of reach of children.

Norvasc is taken orally, usually once a day, with or without food. The tablet should be swallowed whole with a glass of water and not crushed or chewed unless specifically instructed by a healthcare professional.

Serious risks, though uncommon, include severe hypotension, myocardial infarction, hepatic dysfunction, allergic reactions such as angioedema, and potentially life‑threatening cardiac arrhythmias. Patients should seek immediate medical attention if they experience symptoms like fainting, chest pain, or severe swelling.

Norvasc is contraindicated in patients with known hypersensitivity to amlodipine or any other calcium channel blocker. Caution is also advised for individuals with severe aortic stenosis, unstable angina, or acute myocardial infarction, and it should be avoided in those where the risks outweigh the benefits.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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