The Sildenafil Citrate component of Fildena Double 200mg belongs to a class of drugs called phosphodiesterase inhibitors. Male erectile dysfunction (ED) is supposed to be treated with a potent medication called Fildena Double 200mg. Its main component, sildenafil citrate, is a dependable drug having a track record of enhancing blood flow to the penile region. Back pain, nausea, stuffy nose, headaches, blurred vision, and flushing in the face, neck, or chest are some of the side effects of fildena. Drug interactions typically happen when a medication is taken with food or another medication. Please inform your doctor if you use illegal substances, smoke, drink alcohol or caffeinated beverages, or any of these things since they may affect how well your prescription works.