Nitrocontin 6.4 Tablet CR is a vasodilator used for heart failure, high blood pressure (hypertension), anal fissures, and painful periods, and to treat and prevent chest pain caused by decreased blood flow to the heart (angina).

It works by relaxing the blood vessels and increasing the supply of blood and oxygen to the heart while reducing its workload.

Place the tablet under the tongue or between the cheek and gum, and let it dissolve. Do not eat, drink, smoke, or use chewing tobacco while a tablet is dissolving.

It is used for the treatment of angina, acute myocardial infarction, severe hypertension, and acute coronary artery spasms.

Patients prescribed it should adhere to their healthcare provider's recommendations regarding dosage and duration of treatment.

It is crucial to report any persistent symptoms or adverse effects promptly.