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 lowers elevated blood pressure and relieves chest pain caused by chronic stable angina in adult patients and is commonly prescribed as part of cardiovascular risk management.

GNH India supplies Norvasc as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide. The company adheres to stringent quality standards and provides reliable logistics for global distribution. Customers benefit from consistent batch release, traceability, and regulatory support across regions.

Manufacturer / TM Owner

Upjohn Eesv

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Indications & Clinical Uses

  • Norvasc (amlodipine) is used to manage cardiovascular conditions by relaxing vascular smooth muscle.
  • Hypertension: lowers both systolic and diastolic blood pressure, facilitating achievement of guideline‑recommended targets and reducing cardiovascular strain.
  • Chronic stable angina: dilates coronary arteries and reduces cardiac afterload, thereby decreasing the frequency and severity of angina attacks.
  • Coronary artery disease: diminishes myocardial oxygen demand and improves perfusion, contributing to lower risk of ischemic complications in patients with established CAD.

How It Works

  • Amlodipine selectively inhibits L‑type calcium channels in vascular smooth muscle and cardiac myocytes. By blocking calcium influx, it prevents contraction of arterial smooth muscle, producing dose‑dependent vasodilation of peripheral arteries. The resulting decrease in systemic vascular resistance lowers blood pressure, while coronary artery dilation improves myocardial oxygen delivery, alleviating angina. The effect persists for 24 hours due to the drug’s long half‑life, allowing once‑daily dosing.

Side Effects

Amlodipine may cause a range of adverse reactions, which are categorized by frequency and severity.

Common Side Effects

  • Headache: mild to moderate headache is frequently reported.
  • Peripheral edema: swelling of the ankles or lower legs may occur.
  • Flushing: transient warmth and redness of the skin can be experienced.
  • Dizziness: light‑headedness, especially after standing, is possible.

Serious or Rare Side Effects

  • Severe hypotension: markedly low blood pressure requiring medical attention.
  • Myocardial infarction: rare cases of heart attack have been reported.
  • Hepatic enzyme elevation: significant increase in liver transaminases may occur.
  • Allergic reactions: including rash, angioedema, or anaphylaxis in rare instances.

Precautions & Warnings

When prescribing amlodipine, clinicians should consider several precautionary measures to ensure safe use.

  • Blood pressure monitoring: regularly assess to avoid excessive hypotension.
  • Hepatic impairment: use caution and consider dose adjustment in patients with liver disease.
  • Heart failure: monitor for worsening symptoms, especially in decompensated cases.
  • Concomitant beta‑blockers: observe for additive bradycardia or AV block.
  • Pregnancy: category B; use only if benefit outweighs potential risk.
  • Store at room temperature: keep in the original packaging, protect from moisture and direct sunlight.

Avoid Interactions

Amlodipine can interact with other medicines, altering its efficacy or safety profile.

Major Interactions (Avoid)

  • Simvastatin >20 mg: increased risk of statin‑related myopathy.
  • Cyclosporine: elevated amlodipine levels may cause hypotension.
  • Grapefruit juice: can raise amlodipine concentrations, enhancing adverse effects.

Moderate Interactions (Monitor Closely)

  • Beta‑blockers: additive effects on heart rate and blood pressure.
  • Diuretics: may potentiate orthostatic hypotension.

Frequently Asked Questions

Norvasc, which contains the active ingredient amlodipine, is prescribed to treat high blood pressure (hypertension) and to manage chronic stable angina. It helps lower cardiovascular risk by relaxing blood vessels and improving blood flow to the heart.

Amlodipine blocks L‑type calcium channels in the smooth muscle of arteries and in cardiac cells. This inhibition reduces calcium entry, leading to relaxation of vascular smooth muscle, arterial dilation, decreased peripheral resistance, and lower blood pressure, while also improving coronary blood flow.

The appropriate dose of amlodipine is determined by a qualified prescriber based on the individual’s medical condition, response to therapy, and other medications. Dosage adjustments are made according to clinical judgment and patient-specific factors.

Amlodipine is classified as pregnancy category B, indicating that animal studies have not shown risk but there are no well‑controlled studies in pregnant women. It should be used only if the potential benefit justifies the potential risk. Limited data are available for breastfeeding; caution is advised.

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

Amlodipine belongs to the calcium channel blocker class, offering once‑daily dosing and a long half‑life. Compared with beta‑blockers or ACE inhibitors, it primarily reduces peripheral vascular resistance and may cause less cough but can be associated with peripheral edema. Choice depends on patient profile and comorbidities.

Norvasc tablets should be stored at room temperature, below 25 °C, in the original container to protect from moisture and light. Keep the medication out of reach of children and avoid storing in humid or excessively hot environments.

Norvasc is taken orally, usually once daily, with or without food. The tablet should be swallowed whole with a glass of water. Patients should follow the dosing instructions provided by their healthcare professional.

Serious adverse events, though rare, include severe hypotension, myocardial infarction, significant liver enzyme elevations, and severe allergic reactions such as anaphylaxis. Patients should seek immediate medical attention if they experience symptoms like fainting, chest pain, jaundice, or swelling of the face and throat.

Amlodipine is contraindicated in patients with known hypersensitivity to amlodipine or any component of the formulation. Caution is advised in individuals with severe aortic stenosis, unstable heart failure, or those taking interacting medications that could cause dangerous blood pressure drops.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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