I have been having painfull urinations so i went to the emergency room because i think its a UTI but?

im 19 and for the past two weeks ive been suffering from painfull urinations so i went to the emergency room and they told me that it wasent a UTI that they think that i have a yeast infection even my results showed that there was no yeast and they still insisted on it so they gave me a pill for a yeast infection and now im having discharge that looks like cottage cheese and is a little green and the painfull urination has just now gotten worce and now im urinating blood can some one help me because i know im not crazy im pertty sure it was a UTI that is now worce because of baltimore washington hospital =(