When buying any medication online, including Fildena Double, it is important that your safety comes first and that the right guidelines are followed. Here are some steps to help you buy your medicines online safely: Consult your doctor: Before you buy Fildena Double 200 tablets or any other medicine, it is essential that you consult your doctor, preferably your doctor or pharmacist. They can assess your condition, advise you on the right dosage and can advise you on possible risks and interactions.