Tadarise 20mg is prescribed to treat erectile dysfunction. The active component of Tadarise 20 mg, tadalafil, helps to relax the penile blood vessels, enabling higher blood flow that may aid in erections. Impotency resulting from an inability to sustain an erection during sexual engagement is the hallmark of erectile dysfunction. Follow your doctor's instructions on the dosage and duration of this medication. Take it all in at once. Never shatter, eat, or crush it. You can take Tadarise 20 with or without food. Drink a glass of water after swallowing the tablet. Tadarise 20 should be kept at room temperature in a covered container away from moisture and direct sunlight.