With Dacronin you can usually wear a condom, and patients can ask their doctor for advice on their situation. Dacronin belongs to a kind of anesthetic drug, can improve the symptoms of premature ejaculation caused by the sensitivity of the male glans, so as to prolong the duration of coitus. When using Dacronin, patients can choose to wear a condom according to their own needs. Before coitus, the penis needs to be cleaned, and then use Dacronin, can be coated in the coronal groove of the penis, glans and other parts of the drug efficacy can generally be maintained for about three hours, the specific time limit varies from person to person. Some patients during the use of Dacronin, may appear skin burning sensation, rash, itching and other symptoms, or accompanied by headache, anxiety and so on. The use of such drugs is contraindicated if the mucous membrane tissue is broken, or if the person is allergic to the product. Before using Dacronin, patients need to be under the guidance of a doctor, do not use the drug without authorization, so as not to damage your health. If there is a burning sensation, redness and swelling during the use of the drug, it is necessary to stop the use of the drug in time and clean the local drug.