 [ Symptoms ] my 22 year old daughter no period in 5 months skin rashes on chest and back staph infections mrsa weight loss the rashes and mersa have been going on since september she is on adderral [ Disease ] staph infection can come back by simply being re exposed again or by not properly cleaning wounds some species of staph live on our skin i do not know what kind of antibiotic you are taking but i trust the choice of medication is appropriate for the type of staph that you have