Renapine 25 mg is an antipsychotic medication manufactured by Renata Limited, containing the active ingredient Quetiapine Fumarate. It is primarily used to treat mental health conditions such as schizophrenia, bipolar disorder (both manic and depressive episodes), and as an adjunct in major depressive disorder. Quetiapine is an atypical antipsychotic that works by affecting various neurotransmitter receptors in the brain, including serotonin and dopamine receptors, which helps in stabilizing mood and thought processes.