Levitra 2.5mg is a medication used to treat erectile dysfunction (ED) in men. The 2.5 mg dose is one of the lower available doses. It may be prescribed for individuals who are starting treatment or for those who need a lower dose due to tolerance, side effects, or other medical considerations. Buy Levitra 2.5mg works by increasing blood flow to the penis to help achieve and maintain an erection. It does this by inhibiting the enzyme phosphodiesterase type 5 (PDE5), which can restrict blood flow in the penis.