These tablets are one of the many medications used to treat erectile dysfunction. Fildena Professional should be taken 30 minutes before engaging in sexual activity. The action of the indigestion medication lasts 5-6 hours. Sildenafil is only taken once a day. Fildena Professional should be kept out of the reach of children and pets. Fildena Professional pill is very popular. This is one of Sex Life’s greatest and most popular tablets.