Convenient, once-daily dosage1. Extended-release SEROQUEL XR® (quetiapine fumarate) is proven effective as monotherapy in acute depressive episodesAvailable in 50 mg, 150 mg, 200 mg, 300 mg, and 400 mg tablet strengths. SEROQUEL XR should be taken in the evening, eg, within 3-4 hours canadian-pharmacyy.com buy cialis online