common warts can be annoying to anyone. this information is about the treatment of common warts. it does not apply to genital or venereal warts. over-the-counter treatment for common skin warts has long been based upon the use of products containing salicylic acid. there are also nonprescription wart treatments that use aerosols to freeze warts. salicylic-acid preparations these are available as drops gels pads and plasters. they are designed for application to all kinds of warts from tiny ones to great big lumpy ones. salicylic acid is a keratolytic medication which means it dissolves the protein (keratin) which makes up most of both the wart and the thick layer of dead skin that often tops it. nonprescription freezing methods aerosol wart treatments available over-the-counter use sprays that freeze warts at a temperature of -70 degrees f (-57 degrees c). this compares with the liquid nitrogen used by most dermatologists which is considerably colder (-320 degrees f or -196 degrees c). duct tape it is claimed that warts can be "suffocated" by covering them with duct tape or other nonbreathing tape such as electrical tape. this treatment is difficult to use however because in order to work the tape must be left in place all the time and removed only a few hours once per week. almost always the tape falls off.
what is the treatment for common warts?