Fildena Double 200mgis a component of the sildenafil citrate-containing drug. Fildena Double 200 Mg also contains PDE inhibitors, a family of drugs. Men experience penile erection when the blood supply to the penis decreases and the blood flow through the veins increases. Black viagra 200mg is another name for Fildena 200mg. The medications contain Sildenafil Citrate, a synthetic that is crucial for treating erectile dysfunction, erectile dysfunction, and hypertension. A person with erectile dysfunction (EB) has trouble getting a strong erection due to insufficient blood flow within the penis. Large main indications of hypertension are a result of irregularities in the rate at which the circulatory system fills with blood.