Nimodinol-30 Tablet is a calcium channel blocker used to treat and prevent brain damage after bleeding around the brain. It improves blood flow and prevents changes in brain function. The exact dose and frequency depend on the patient's medical condition and response to treatment. It can be taken either empty stomach or with a meal, and should not be taken with antacids for 2 hours before or after use. Common side effects include decreased blood pressure, increased heart rate, headache, stomach discomfort, nausea, rash, muscle cramps, and edema. Consult a doctor before taking this medication.