Is Fluorescein Angiography Painful?

Is Fluorescein Angiography Painful? Extravasation (the dye is forced from the blood vessel into surrounding tissue) of fluorescein dye during the injection can be a serious complication of angiography and can be quite painful due to the pH. How long does a fluorescein angiogram take? The actual procedure will take 10-20 minutes. The average length