Regular application of cialis 5 mg, i.e., a method of improving erectile dysfunction in men by taking it in small doses for a long period of time, usually takes about three months. This drug can be taken for a long time to make the blood vessels in a longer period of time in a state of congestion, slowing down the penile blood circulation disorders, thus leading to a certain relief of the symptoms of organic erectile dysfunction people. However, it needs to be taken for a long time in order to make the blood vessels form a moderate expansion, so that after stopping the use of drugs to achieve more satisfactory results, so the course of treatment is relatively long. In addition, it should be noted that people with high blood pressure are advised to consult an endocrinologist before deciding whether to apply this drug, to avoid excessive intake of the drug on blood pressure, endangering health.