 [ Symptoms ] is auxilary yeast infection contagious can it spread to other people  my sister has a rash under her armpits and the group home she lives in told her she is highly contagious now is all upset so i am wondering how this could spread to other people my sister is obese and special needs so she has a hard time taking care of her self they think the reason is her obesity and not drying off after a shower  please help thank you [ Disease ] you did not mention how old you are but when it comes to stress any age is a possibility stress can cause you to miss periods but it could be something other than stress i would get it checked out