Fildena 100 mg is one of the most controversial drugs. This drug is used to treat erectile dysfunction in men and helps men to have a better and steamier sex life. Usually, the purple triangle comes in pill form, a simple dose can make a huge difference in the body. The strength of these effects is weaker 4 hours after taking this drug than 2 hours. The concentration of Viagra in the blood usually reaches a peak 60 minutes after taking the drug, at which time its effect is strongest. This medicine is recommended only for men aged 18 or older.