Fildena 100 drug acts as an active ingredient sildenafil. Fildena 100 is taken one hour before sex, after which the effect lasts for 5-6 hours. It is important to consult a doctor before taking Fildena 100 Mg. Fildena 100 is suitable for small children and pets. Fildena 100mg is known as the Purple Pills. Fildena should be kept away from small children and pets.