Alcohol may be able to disinfect the penis, but it is not recommended that patients use alcohol to disinfect the penis, which may cause damage to the penile skin and glans mucosa.
Alcohol has the role of sterilization, its concentration is mostly 75% and above, the human skin has a strong irritation, especially the penis and glans is more fragile and sensitive, if the use of alcohol disinfection, may cause penile skin and glans mucous membrane damage, increase the risk of pathogen infection, so it is not recommended that patients use alcohol to disinfect the penis.
If patients need to disinfect the penis, they can use drugs that are less irritating to human skin to disinfect, such as iodophor, potassium permanganate solution, boric acid solution, etc., and the ratio of the solution should be 3% to avoid causing burns. It is recommended that patients be treated under the guidance of a doctor, do not self-medicate to avoid adverse consequences.