Such drugs as antibiotics, anti-depressants, birth control pills, seizure medication, cancer treatments, pain killers, tranquilizers and cholesterol-lowering compounds have been detected in varied water sources.http://www.msnbc.msn.com/...urking-us-drinking-water/QuoteA vast array of pharmaceuticals ??? including antibiotics, anti-convulsants, mood stabilizers and sex hormones ??? have been found