Vasodilan 20mg Tablet is a vasodilator and uterine relaxant. It is used in the treatment of premature labor (when the uterus starts contracting for birth too early than usual). It is also helpful in the treatment of peripheral vascular diseases. Vasodilan 20mg Tablet can be taken with or without food, but take it at the same time to get the most benefit. It should be taken as your doctor's advice. The dose and how often you take it depends on what you are taking it for. Your doctor will decide how much you need to improve your symptoms. Swallow the tablets whole with a glass of water. You should take this medicine for as long as it is prescribed for you. Dizziness is the most common side effect of the medicine. If these bother you or appear serious, let your doctor know. To lower the chance of dizziness, you must rise slowly, if getting up from a sitting or lying position or avoid driving or attention requiring Activities.