Vardenafil belongs to the urological drugs, the recommended starting dose is 10mg, taken 25-60 minutes before sexual intercourse, or as prescribed by the doctor. Vardenafil is a commonly used urologic medication in tablet form for the treatment of erectile dysfunction in men. Vardenafil is commonly available in doses of 5mg, 10mg, and 20mg, and the dosage may vary between doses. The recommended starting dose is 10mg, taken 25-60 minutes before sexual intercourse, and the frequency of use is once a day. A small number of patients may experience adverse reactions such as headache, facial flushing, indigestion, dizziness, nausea, etc. Patients who are allergic to the components of vardenafil or who are also taking medications such as Indinavir or Ritonavir should be prohibited from taking this medication. The drug can be used correctly under the guidance of a doctor according to the condition.