Seroquel XR Dosage

A healthcare provider will consider several factors to determine your Seroquel XR dosage, such as the severity of your condition, other medical conditions you may have, and other medications you are taking. For treating schizophrenia, the recommended starting Seroquel XR dosage is 300 mg once daily, usually in the evening. Your healthcare provider may increase this dose if necessary, up to a maximum of 800 mg per day.

 

An Introduction to Seroquel XR Dosage

The dose of Seroquel XR® (quetiapine XR) your healthcare provider recommends will vary depending on a number of factors, including:
 
  • The severity of your condition
  • Other medical conditions you may have
  • Other medications you may currently be taking.
     
As always, do not adjust your Seroquel XR dose unless your healthcare provider specifically instructs you to do so.
 

Seroquel XR Dosing for Schizophrenia

The recommended starting Seroquel XR dose for treating schizophrenia is Seroquel XR 300 mg once daily, preferably in the evening. Generally, your healthcare provider will increase your dose quickly within a few days, up to Seroquel XR 800 mg once daily if needed.
 

General Seroquel XR Dosage Information

Some considerations for people taking Seroquel XR include:
 
  • Seroquel XR comes in tablet form. It is usually taken by mouth once a day, typically in the evening.
     
  • While Seroquel XR can be taken on an empty stomach or with a light meal (300 calories or less), it should not be taken with a large, fatty meal. Taking Seroquel XR with too much food can increase the amount of Seroquel XR in your blood, increasing your risk of side effects.
     
  • Seroquel XR tablets are extended release and should not be crushed, split, broken, or chewed. They should be swallowed whole.
     
  • Seroquel XR should be taken at the same time each day to maintain even levels of the drug in your blood.
     
  • For Seroquel XR to work properly, it must be taken as prescribed. Seroquel XR will not work if you stop taking it.
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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;