Ziprasidone can be used both orally and as an injection. It is used to treat psychosis, such as schizophrenia. For this, it is known to act by inhibiting the communication between nerves in the brain, thereby thought of as blocking serotonin and dopamine receptors. It is also used to treat bipolar disorder such as acute bipolar mania. It is available as Geodon in the pharmacies. It is approved for treating mental disorders brought about by dementia. Ziprasidone should only be used on your doctor's recommendation.