Fildena is sold in several strengths, and Fildena Strong 120 mg is one of the marketed versions. Other listings show 25 mg, 50 mg, 100 mg, 150 mg, and 200 mg variants as well. M medexpresshealthcare.com +1 However, an important safety point: 120 mg is above the usual maximum Fildena 120 Mg  sildenafil dose of 100 mg for erectile dysfunction. Higher-strength Fildena products therefore shouldn't be substituted or increased without a doctor's direction. W West End Pharmacy If you're asking because you have a Fildena 120 mg strip and want to know whether it is genuine, you can send me a photo of the front and back of the strip/box.