Filitra 20 mg is generally a brand of vardenafil 20 mg, a PDE-5 inhibitor used to treat erectile dysfunction (ED) in adult men. F Fortune Healthcare Product Pvt Ltd +1 How it works: increases blood flow to the penis when you are sexually stimulated. Typical timing: often taken about 30–60 minutes before sexual activity; it does not cause an erection without sexual stimulation. I Imimg Common side effects: headache, flushing, dizziness, nasal congestion, indigestion, and visual changes. I Imimg Important: Do not take    Filitra 20 mg  with nitrate medicines (such as nitroglycerin) because the combination can cause a dangerous drop in blood pressure. I Imimg 20 mg is a relatively high dose, so it should be used according to a doctor's advice. Also, products sold under the Filitra name can vary, and there have been reports of counterfeit Filitra 20 mg products, so the source and packaging matter. S sukl.gov.cz If you tell me what you want to know about Filitra 20 mg (e.g. how to take it, side effects, duration, or whether it is safe with another medicine), I can explain specifically.