Generally, benzocaine does not cause impotence. Benzocaine is mainly used as an analgesic for small mild wounds, ulcers and hemorrhoids. This drug is a local anesthetic and can be used externally to relieve pain and itching. The use of this drug can occasionally cause local or systemic allergic adverse reactions, usually after stopping the drug can disappear on their own; but generally does not lead to impotence. Before use, it should be noted that people who are allergic to this product are prohibited, and allergic people should be cautious. Continuous use is usually not more than 1 week, if still no improvement, please consult your physician. This drug has cross-allergic reactions with topical preparations such as procaine and bupivacaine, and should be used with caution by those who are allergic to such preparations. In addition, since Benzocaine is a prescription drug, patients are advised to use Benzocaine under the supervision of a physician.