Pranosol 1mg Injection is a medicine used to treat various heart disorders such as abnormal heart rhythm (arrhythmia) and very high blood pressure (hypertensive emergency) as it may be life-threatening and needs immediate medical help. Pranosol 1mg Injection is also used to prevent angina (heart-related chest pain). Pranosol 1mg Injection is generally administered by a doctor or a nurse. It should not be self-administered at home. The dose and duration will depend on the severity of your condition and how you respond to the medicine. Keep taking the injection for as long as the doctor has prescribed even if you feel well. If you stop taking it suddenly, your condition may worsen. The most common side effects are tiredness, weakness, Raynaud phenomenon (cold fingers and toes), and breathlessness. You may also experience nausea, vomiting, and diarrhea. Talk to your doctor if the side effects bother you or will not go away. Most are short-lived and improve as your body gets used to the medicine. You should not use this medicine if you have asthma, very slow or uneven heartbeats, or a serious heart condition, including heart failure. Talk to your doctor before taking it if you have kidney or liver problems or chronic obstructive pulmonary disease (COPD). In terms of lifestyle, alcohol may affect the way this medicine works and should be avoided. You should not drive if this medicine makes you feel dizzy. Ask your doctor whether it is safe to take this medicine if you are pregnant or breastfeeding.