DEGRA Deva is a sexual health product that contains sildenafil as its main active ingredient. The product is indicated for the treatment of erectile dysfunction in men. It comes in oral tablet form and is taken as needed, typically 30 minutes to 1 hour before sexual activity. The recommended dose is 50 mg, but it can be increased to 100 mg or decreased to 25 mg depending on individual response and tolerability. DEGRA Deva is available in a 4-tablet blister pack.