Yes, you can. There are solid, research-based treatment protocols for dealing with bi-polar disease. You need to consult a mental health professional with experience in this area.
Probably not. If you have bipolar disorder it is probably not something that will go away. However, symptoms can be managed with medications. People with bipolar disorder can have a happy productive live but medications are almost always necessary to avoid symptoms.
Mood stabilizers. Mood stabilizers are used to treat bipolar disorder. Lithium and depakote would be two examples of mood stabilizers but there are others, depending on symptoms, and depending on what works for the patient.
I might have bipolar disorder. What are some symptoms of it and what do to get rid of the down side and keep the happy?
No luck charlie. Sorry every surfer must crash against the shore. The higher the highs, the lower the lows. They are part and parcel of the same disorder. Preventing the highs prevents the lows for the most part. As someone ages untreated the highs get fewer and the lows longer. This is why early treatment is so important. Good treatment keeps you happy but not high.