Dilzem IV Injection is used to treat angina (heart-related chest pain), high blood pressure and some types of irregular heartbeats (arrhythmia). It works by relaxing blood vessels to lower blood pressure. This helps to reduce the workload of the heart. Dilzem IV Injection is administered under the supervision of a healthcare professional and should not be self-administered. This medicine is only part of a treatment program that should include a healthy diet, regular exercise, and weight reduction as advised by your doctor.Common side effects seen with this medicine include edema (swelling), dizziness, headache, nausea, constipation, rash, fatigue, hypotension, injection site reactions, and flushing. These are usually mild and disappear after a short time. Consult your doctor if they bother you or do not go away. It may also make you feel sleepy or dizzy, so be careful if you drive or do anything that requires you to be alert. Drinking alcohol should be avoided while taking this medicine as it may worsen the side effects.Before taking this medicine, let your doctor know if you have any liver or kidney problems. Also, inform your doctor if you have very low blood pressure (hypotension), heart failure, or if you recently had a heart attack and have fluid in your lungs. Your doctor may want to monitor your blood pressure while using it and you may need frequent blood tests. Pregnant or breastfeeding women should consult their doctor before taking it.