What is another name for quetiapine?

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Last updated: August 17, 2026 • View editorial policy

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Quetiapine Brand Name

Quetiapine is marketed under the brand name Seroquel® 1. An extended-release formulation is also available as Seroquel XR 2.

Chemical Classification

Quetiapine belongs to the dibenzothiazepine class of atypical (second-generation) antipsychotics 1, 3. The medication is administered orally as quetiapine fumarate, though all dosing is expressed in terms of the base compound rather than the fumarate salt 1.

Available Formulations

The immediate-release formulation (Seroquel) is available in multiple tablet strengths: 25 mg, 50 mg, 100 mg, 200 mg, 300 mg, and 400 mg 1. The extended-release version (Seroquel XR) provides once-daily dosing convenience 2.

References

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This information is intended for healthcare professionals. Any medical decision-making should rely on clinical judgment and independently verified information. The content provided herein does not replace professional discretion and should be considered supplementary to established clinical guidelines. Healthcare providers should verify all information against primary literature and current practice standards before application in patient care. Dr.Oracle assumes no liability for clinical decisions based on this content.