Nitoside 50mg Injection is a medicine used in the immediate treatment of hypertensive emergency (severely increased blood pressure) and acute heart failure. It brings about an immediate reduction in blood pressure and the workload of the heart. Nitoside 50mg Injection is given as a drip into the vein under the supervision of a doctor. Your doctor is the right person to decide the dose and duration, hence do not try to self-administered the injection at home. Regular monitoring of blood pressure is required while on treatment. Decreased blood pressure (hypotension) may occur as a side effect of this medicine. Inform your doctor if you are pregnant, planning to conceive or breastfeeding. It is also advisable to avoid medication like sildenafil or tadalafil while on treatment as it may cause a sudden lowering of blood pressure.