Tadarise 20 Mg is commonly used to treat sexual problems in men. Tadalafil is a PDES inhibitor, a type of prescription drug. Tadalafil contains an ingredient called tadalafil.... moreTadarise 20 Mg is commonly used to treat sexual problems in men. Tadalafil is a PDES inhibitor, a type of prescription drug. Tadalafil contains an ingredient called tadalafil. Alcohol should not be consumed after using this drug. The medicine should be used as per the doctor's advice.