Tadalafil tablets can only be used clinically to treat erectile dysfunction in men, which can not cure impotence or rebound. Impotence patients need to be treated under the guidance of professional doctors. Tadalafil tablets can not be used to treat impotence, only for patients with erectile dysfunction. Patients suffering from erectile dysfunction need to take it half an hour before having sex, after which a certain amount of sexual stimulation is needed to make the drug effective. When taking tadalafil tablets it is best not to take them every day in a row. Women and patients who are allergic to the composition of the tadalafil drug should not take it. Patients may experience adverse reactions such as headache, dizziness, palpitations and indigestion after taking the drug. Patients with impotence need to be treated under the guidance of a professional doctor in order to avoid any delay in their condition.