Lanoxin 0.25mg Injection is a medicine used for the emergency treatment of heart failure and abnormal heart rhythm (arrhythmia). It helps to provide symptomatic relief by making the heart pump blood more efficiently. It helps in arrhythmia by restoring a steady and normal heartbeat. Lanoxin 0.25mg Injection is administered under the supervision of a doctor. Your doctor will decide the dose and duration of the medicine for you. Doctor may closely monitor your blood pressure, heart rate and ECG till you became stable. You should continue all your other medicines that are advised by the doctor for your long-term treatment even after this injection. Common side effects of this medicine include nausea, vomiting, diarrhea, dizziness, and visual disturbances. Consult your doctor if these effects bother you. This medicine is used with caution for some people. Thus, you must inform the doctor if you are suffering from any kidney disease. Also, let your doctor know if you are pregnant or breastfeeding and about all the other medications that you are taking regularly.