Can someone being treated for bipolar still have manic episodes?

Yes, someone being treated for bipolar disorder can still have manic episodes. Bipolar disorder is a mental illness characterized by periods of mania or hypomania and periods of depression. Mania is a state of elevated mood, energy, and activity. While treatment can help manage the symptoms of bipolar disorder and reduce the frequency and severity of manic episodes, it does not eliminate the possibility of future episodes.