Tazzle 10 mg works by relaxing the smooth muscles of blood vessels, allowing improved blood flow in the penile area. The medication does not increase sexual desire and does not cause an erection without sexual arousal. It should be taken according to the dosage instructions provided by a healthcare professional. Tadalafil is known for its longer duration of action compared with some other ED medicines. In some individuals, its effects may remain available for up to 36 hours, although the actual response can vary from person to person.