Olvance M 25 Tablet is a medication used to treat high blood pressure, preventing future heart attacks and strokes. It is recommended to take it with food daily, following doctor's advice. It is important not to stop taking it, as it can worsen the condition. Common side effects include nausea, diarrhea, headache, decreased blood pressure, weakness, and increased potassium levels. Regular monitoring of blood pressure, blood sugar, kidney functioning, urea, and electrolytes is advised. Patients with liver, kidney, pregnant, or breastfeeding women should consult their doctor before taking this medication.