Hello and welcome to talk budgies...
Kiwi looks like a Hen with a bit of hypertrophy on the cere. Male normal's will have darker blue cere's and not change color or get the look in your photo unless they have a medical issue. Molting can cause a bird to have respiratory issues such as wheezing/sneezing but if she has had that regularly even apart from molt times, then you need to see a good avian vet and get diagnosis and treatment. When breathing is labored you can get her relief by placing her cage in a hot steamy bathroom for a time or building a steam tent. We have a lot of really good info in our budgie health section you should check out and I really can't encourage you enough to get her to an avain vet for a checkup/wellness check. Please keep us posted...