Cantharone and Cantharone Plus are for physician use only. They are not to be dispensed or prescribed for patient administration under any circumstances.
The normal action of CANTHARONE and CANTHARONE PLUS is to form a blister underneath the wart. This occurs within 24 hours of application. The blister formation kills the wart by cutting off its blood supply. Occasionally, there may be some blood in the blister fluid, don't be alarmed at this. The blister may also be painful, be inflated and itch. Your physician will recommend appropriate medication.