Tadarise 20 mg can help you achieve and maintain an erection if you have erectile dysfunction (ED). It contains tadalafil, a medicine that improves blood flow to the penis during sexual stimulation. How Tadarise 20 mg works Starts working: Usually within 30–60 minutes, although some people need longer. Duration: Can help with erections for up to 36 hours. This does not mean you will have a continuous erection; sexual stimulation is still required. Maintaining an erection: It may help you stay firm for longer and make it easier toTadarise 20 mg  another erection during its effective period. Sexual desire: It does not directly increase libido or guarantee an erection. Important precautions Do not take Tadarise 20 mg more than once in 24 hours. Do not combine it with Silagra, Fildena, Viagra, or other sildenafil-containing medicines. Never use tadalafil with nitrate medicines or recreational “poppers,” because your blood pressure can drop dangerously. Headache, facial flushing, indigestion, and back pain are common side effects. 102299 +1 One question: Is your main problem that you can get an erection but it becomes soft during sex, or that you have difficulty getting an erection in the first place? This helps clarify whether tadalafil may be appropriate for you.