Isosorbide Dinitrate Chemidex Pharma (Isosorbide Dinitrate)

The drug is converted in the body to nitric oxide, which activates guanylate cyclase in vascular smooth muscle. This raises cyclic GMP levels, causing relaxation of arteries and veins. The resulting vasodilation lowers both preload and afterload, decreasing the heart’s workload and oxygen consumption.

Dosage is individualized and must be determined by a qualified prescriber based on the patient’s clinical condition, response, and tolerance. The prescribing physician will decide the appropriate strength, frequency, and titration schedule for each patient.

Safety data for use during pregnancy and lactation are limited. The drug should only be used when the potential benefit justifies any potential risk to the fetus or infant, and the decision should be made by the treating physician in consultation with the patient.

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.

Isosorbide Dinitrate belongs to the organic nitrate class, offering rapid vasodilation and symptom relief. Compared with beta‑blockers or calcium‑channel blockers, nitrates act primarily by reducing preload, which can be advantageous in patients who need quick angina control, but they may cause tolerance if used continuously without drug‑free intervals.

Store the product at ambient temperature, preferably below 25 °C. Keep it in the original packaging, protect it from moisture and direct light, and ensure the container is tightly closed to maintain stability throughout its shelf life.

The medication is taken orally, usually as a tablet, with a glass of water. It may be prescribed as a single daily dose or divided doses, depending on the therapeutic plan set by the prescriber. Patients should follow the dosing schedule and avoid crushing or chewing the tablet unless instructed otherwise.

Serious adverse events include severe hypotension, which can lead to dizziness, fainting, or shock, and rare cases of methemoglobinemia, a condition that reduces oxygen delivery in the blood. Prompt medical attention is required if symptoms such as profound weakness, cyanosis, or sudden chest pain occur.

Patients with known hypersensitivity to organic nitrates, those experiencing severe hypotension, or individuals concurrently using phosphodiesterase‑5 inhibitors (e.g., sildenafil) should avoid this medication. It is also contraindicated in patients with certain forms of cardiogenic shock or uncontrolled heart failure unless specifically directed by a physician.