Complamina Retard 500 Tablet SR is a prescription medicine used to treat peripheral vascular disease (which refer to disorders of the blood vessels outside the heart like brain, gut, kidneys, or limbs). It helps to dilate your blood vessels and improves the blood flow. Complamina Retard 500 Tablet SR is taken after meals in a dose and duration as advised by the doctor. You should keep taking this medicine for as long as your doctor recommends. If you stop treatment too early your symptoms may come back and your condition may worsen. Let your doctor know about all other medications you are taking as some may affect, or be affected by this medicine.The most common side effects are dryness in mouth, excessive thirst, reduced bronchial secretions, increased heart rate, flushing (sense of warmth in the face, ears, neck, and trunk), and constipation. Most of these are temporary and usually resolve with time. Contact your doctor straight away if you are at all concerned about any of these side effects. Lifestyle modifications like reducing smoking, increasing exercise and a healthy diet will help you to get better results.Pregnant or breastfeeding women should also consult their doctor before taking this medicine. Before taking this medicine, you should let your doctor know if you have liver and kidney problems.