Fildena 100 is a powerful drug that can lead to serious side effects, including overdose. It is important to consult with a doctor before taking this drug and to take it on a consistent schedule. The medication should be taken between 30 minutes and an hour before sexual intercourse. Do not take more than the prescribed dose or take more than one tablet in 24 hours. Overdosing on Fildena can result in many unpleasant side effects, ranging from flushing to chest pain. In rare cases, it may even lead to heart problems and even death. These adverse effects are caused by overdose of this drug and should be treated as soon as possible.