Before using these medications, men should speak with their doctors. There are a few things you need to be mindful of when using medications. The first is the amount of medication you must take. Keep in mind that you could get severe adverse effects from Fildena if you choose the incorrect dosage for yourself.Rather, when you consult with doctors, they assist you in determining the appropriate dosage and the length of time you must take these medications. To further shield you from potential negative effects of the medication, doctors will also recommend certain safety precautions.