𝐕𝐞𝐫𝐫𝐮𝐜𝐚𝐞𝐬 and 𝐂𝐨𝐫𝐧𝐬 can often be mistaken for one another.
Incubation period for a verrucae can be a number of months and they usually appear on the weight bearing part of your foot. Corns are caused by friction or pressure so will appear on areas of the foot where this is most likely. Callous is common for both issues and can become uncomfortable, even painful. This is why it is best for a foot health practitioner to examine your foot and remove/treat the issue rather than misdiagnose and attempt to cure it using incorrect products.