text: how old to start wearing tampons? at what age would you let your daughter wear tampons. my daughter is nagging me to let her start wearing tampons. i say that at 12 years old she is too young? what do others think? i would say this is too young, they have many risks attached such as blood poisoning and toxic shock that ultimately can be fatal. depending upon how long she has been mestruating for and how confidence she is using sanitary towels i would say that 12 is way too young.  i would recommend from the age of around 14-15 to be honest, and even then she should be monitored as much as possible until she becomes comfortable with them.  if your still unsure consult the gp and he will advise you   i hope this helps xxx