Dilzem CD 90 Capsule is a medication used to treat various heart-related conditions, such as angina, high blood pressure, and certain types of irregular heartbeats (arrhythmias). It works by relaxing blood vessels and reducing the workload of the heart, thereby improving blood flow to the heart and lowering blood pressure. The medication should be taken regularly at the same time each day, even if you feel well. Suddenly stopping the medication can worsen your condition, so it is important to follow the treatment program as prescribed by your doctor, which may include lifestyle changes such as eating a healthy diet, getting regular exercise, and losing weight if necessary.Common side effects of Dilzem CD 90 Capsule include headache, constipation, dizziness, fatigue, nausea, flushing, and rash. These side effects are usually mild and temporary, but if they persist or become bothersome, talk to your doctor. The medication may also cause drowsiness or dizziness, so be careful when driving or operating machinery. It is important to avoid drinking alcohol while taking this medicine, as it can worsen the side effects.Before taking Dilzem CD 90 Capsule, inform your doctor if you have any liver or kidney problems, 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 you are taking this medicine, and you may need frequent blood tests. Pregnant or breastfeeding women should consult their doctor before taking Dilzem CD 90 Capsule. It is important to follow your doctor's instructions and inform them of any changes in your health status.