My son has had diarrhea for 2 weeks causing a bad diaperrash. he is also on day 2 of amoxicillin for an ear infection. now it looks like a yeast infection. what should i do?

Whole nine yards: Diarrhea x 2 weeks and now Amoxicillin known to cause more diarrhea. Make sure the diaper area is clean and dry. You need to use a good barrier cream such as desytin. Nystatin ointment/cream can be used to treat yeast infection. Sometimes a touch of Hydrocortisone in the first few days may be needed to suppress inflammation if that is bad. Consult with pediatrician to be on a safe side.

Pediatrician: You child needs an evaluation with a pediatrician to determine the best course of treatment to get your baby's conditions under control.

Rash: You need to take your child to the doctor to evaluate the rash, recurrent use of antibiotics that prolong the diarrhea and perpetuate the rash. This needs to be treated, . See the pediatrician and try children probiotics, it will help with the diarrhea.