giardia, ringworm and mollosculum - oh my!!

When little Miss B. came home she had giardia as evidenced by alot of really nasty diapers - sometimes 10+ a day, poor thing. And a smell that could clear the whole house. LOL. We seem to have that conquered. Now we have ring worm running around the house. B. is on some meds for it and the rest of us are using a topical cream. Now we are trying to treat the mollosculum on her face - which isn't going so well. We have tried some homeopathic treatments to no avail and it is spreading like crazy cause she won't leave it alone. Now for the last week we have been trying a RX cream which costs more than gold - but no luck there. I am waiting for the dermatologist to call me back so we can try something else. Can someone tell me why it is so hard to get a dr. to call you back???