In addition to genetic factors, the condition may be caused by poor choice of shoes, with high heels and pointed-toed shoes being especially likely to cause trouble. The "witches 'shoes" that have been popular in recent years are one of the major culprits in toe problems. One treatment is the use of toe separators. These can be purchased at any medical supplies store.
形成原因除遺傳外，其他如選鞋不當，尤以高跟鞋、尖頭鞋的影響最大，近年流行的「巫婆鞋」就是拇指殺手之一，治療方式可以選擇穿戴趾間分隔墊，一般的醫療器材行都可以買到。