These are fleeting and usually subside with time. Levitra vardenafil : This medication is taken one hour before sex and can last up to 24 hours. They have the same benefits and risks as their brand-name counterparts. Brand-name versions of the drug approved for PAH include Adcirca. Yes, ED pills can cause side effects. · Low blood pressure Clinical trials looked at blood pressure in people who took 20 mg of Cialis or a placebo. Blood pressure decreased by an average of / mm Hg more in the Cialis group than. Sildalist Sildenafil Citrate And Tadalafil Tablets. ₹ 80/ Strip Get Latest Price. Packaging Size: 1 x 6 Tablets. Brand: Sildalist. Composition: Sildenafil Citrate + Tadalafil. Treatment: Used to treat male sexual function problems. Form: Tablet. How Cialis Works. Tadalafil and other PDE5 inhibitors primarily work by inducing muscle relaxation. Tadalafil stops the breakdown of a chemical responsible for relaxing muscles. In ED and PAH, the drug targets muscle cells in blood vessels. When the blood vessel muscle cells relax, this expands the vessel and increases blood flow; this .