Cottage cheese discharge is a classic sign of a yeast infection, as is itching and burning.
I'm not sure what the bumps are - you don't say what they look like or where they are, but you should go to the doctor to be tested to make sure what you have is yeast, and ask your doctor to look at the bumps.
Biology2017 is correct - symptoms wouldn't appear the next day if it were an STD.
Hi, symptoms do not appear the next day. It will take longer. It is called an incubation period.