tadalis sx 20 tablets are used to treat men suffering from erectile dysfunction. Including tadalafil as a generic brand. This drug can only be used by men. Women cannot take advantage of medicine. Because the problem of ED is found only in men. Take this medicine as per the advice of the doctor. This is because the effect of this drug takes about 30 minutes to start. Do not take this medicine with heavy meals and drinks like alcohol. Because this delays the effect of the drug.