I'm 18 I'm drinking an excessive amount of water , I've been have a with cloudy discharge commin form mr right breast for the pass month, I missed my period for 2 months then it came for 7 days an very light which is not normal it normally come for 4 days and heavy ,
What's wrong?
Am I pregmant?

That is a sign that you could possibly be pregnant. I would go to the doctor asap!