Product image of Nemotan (Nimodipine) supplied by GNH India

Nemotan

Active Ingredient:
Nimodipine
Origin:
EU

Nemotan (Nimodipine)

Nimodipine, the active ingredient in Nemotan, is a calcium channel blocker (dihydropyridine) presented as an oral dosage form for oral use. It is employed to prevent cerebral vasospasm following subarachnoid hemorrhage in adult patients.
GNH India supplies Nemotan as a licensed, GDP‑compliant international pharmaceutical supplier serving hospitals, pharmacies and clinics worldwide.

Manufacturer / TM Owner

Medochemie Ltd.

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Indications & Clinical Uses

Nimodipine is used in the management of cerebrovascular complications related to subarachnoid hemorrhage, acting on the cerebral arterial circulation.

  • Cerebral vasospasm after subarachnoid hemorrhage: reduces the incidence of delayed ischemic neurological deficits.
  • Aneurysmal subarachnoid hemorrhage: improves cerebral blood flow and oxygen delivery.
  • Post‑hemorrhagic cerebral ischemia risk: helps maintain adequate perfusion pressure in the acute phase.

How It Works

  • Nimodipine selectively inhibits voltage‑dependent L‑type calcium channels in the smooth muscle of cerebral arteries. This inhibition leads to relaxation of the vascular smooth muscle, producing vasodilation that enhances cerebral blood flow and mitigates the narrowing of vessels that can follow subarachnoid hemorrhage.

Side Effects

Nimodipine may cause a range of adverse reactions, most of which are mild and reversible.

Common Side Effects

  • Headache: mild to moderate intensity.
  • Dizziness or light‑headedness, especially when standing quickly.
  • Nausea or gastrointestinal discomfort.
  • Flushing or warmth sensation.
  • Hypotension: transient drop in blood pressure.

Serious or Rare Side Effects

  • Severe hypotension or syncope.
  • Cardiac arrhythmias.
  • Hepatic dysfunction indicated by elevated liver enzymes.
  • Allergic reactions such as rash, pruritus, or angioedema.

Precautions & Warnings

Before initiating Nimodipine therapy, clinicians should evaluate patient‑specific factors and monitor for potential complications.

  • Cardiovascular status: assess baseline blood pressure and heart rate.
  • Hepatic function: consider liver enzyme testing in patients with known liver disease.
  • Concomitant vasodilators: monitor for additive hypotensive effects.
  • Elderly patients: start at the lowest effective dose and observe tolerance.
  • Storage: Store below 25°C: keep in the original container, protect from moisture and direct sunlight.

Avoid Interactions

Nimodipine can interact with several drug classes, altering its efficacy or safety profile.

Major Interactions (Avoid)

  • Strong CYP3A4 inhibitors (e.g., ketoconazole, clarithromycin): may increase Nimodipine plasma levels and risk of toxicity.
  • Concurrent use with other potent vasodilators: can cause profound hypotension.

Moderate Interactions (Monitor Closely)

  • CYP3A4 inducers (e.g., rifampicin, carbamazepine): may reduce therapeutic effect.
  • Beta‑blockers: may mask tachycardia associated with hypotension.
  • Diuretics: may enhance orthostatic blood pressure drops.

Frequently Asked Questions

Nemotan contains the active ingredient nimodipine and is indicated to prevent cerebral vasospasm after a subarachnoid hemorrhage. By maintaining adequate cerebral blood flow, it helps reduce the risk of delayed ischemic neurological deficits in patients who have experienced this type of brain bleed.

Nimodipine selectively blocks L‑type calcium channels in the smooth muscle of cerebral arteries. This blockade causes the vessels to relax, leading to vasodilation and improved cerebral perfusion, which counteracts the narrowing that can follow a subarachnoid hemorrhage.

The dosage of Nemotan is determined by the prescribing clinician based on the patient’s clinical condition, age, weight, and renal or hepatic function. Healthcare professionals follow established guidelines and adjust the regimen as needed for each individual.

Safety data for nimodipine in pregnancy and lactation are limited. The drug should only be used if the potential benefit justifies any potential risk to the fetus or infant, and the decision must be made by a qualified healthcare provider.

To place an order, submit an enquiry on the Nemotan 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.

Nimodipine is the most widely studied calcium‑channel blocker for this indication and is preferred because of its selective action on cerebral vessels. Other agents, such as non‑selective vasodilators, may lack the same level of evidence for improving neurological outcomes after subarachnoid hemorrhage.

Nemotan should be stored at temperatures below 25 °C, in its original packaging, protected from moisture and direct sunlight. Keep the product out of reach of children and avoid exposing it to excessive heat or humidity.

Nemotan is taken orally, usually as a tablet, with or without food as directed by the prescriber. The medication should be swallowed whole with a glass of water and not crushed or chewed unless specifically instructed.

The most serious adverse events include severe hypotension, syncope, cardiac arrhythmias, and rare cases of hepatic dysfunction. Patients should be monitored for signs of low blood pressure, dizziness, or any unexpected cardiac symptoms, and medical attention should be sought promptly if they occur.

Nemotan is contraindicated in patients with known hypersensitivity to nimodipine or any other dihydropyridine calcium‑channel blockers. Caution is also advised for individuals with severe hypotension, uncontrolled heart failure, or significant liver impairment, where the risks may outweigh the benefits.

Published by

GNH India Pharmaceuticals Limited

Licensed pharmaceutical supplier

Last updated:

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