Quiet 200 XR is an extended-release formulation of quetiapine, an atypical antipsychotic medication used to treat various mental health conditions, including schizophrenia, bipolar disorder, and major depressive disorder. The extended-release (XR) formulation allows for once-daily dosing, providing a steady release of the medication over time, which can help maintain stable blood levels and improve adherence to treatment. Quetiapine works by influencing neurotransmitter activity in the brain, particularly serotonin and dopamine, thereby helping to reduce symptoms such as hallucinations, mood instability, and depressive episodes. As with any medication, it is important for patients to follow their healthcare provider's instructions regarding dosage and administration to achieve optimal therapeutic outcomes while minimizing potential side effects.