Product Description : The generic name of Tadalis SX is Tadalafil. Tadalis SX 20mg is a drug that is consumed orally and is in tablet form. It is mainly used for the treatment of erectile problems in men. Erectile dysfunction is a common problem in men of all ages. This is because of the inability of the penis to become erect. This leads to various psychological problems in the person. Tadalis SX is in a class of drugs called phosphodiesterase inhibitors. Theses inhibitors include popular drugs such as Viagra and Levitra, just to name a couple. Phosphodiesterase isoenzyme inhibitors are drugs specifically prescribed for men for the treatment of erectile dysfunction. Ajanta Pharmaceuticals, India is the manufacturer of this drug. It is also sold under the brand names Cialis and Adcirca.