Prescription Drug Index

Seroquel combats the symptoms of schizophrenia a mental disorder marked by delusions hallucinations disrupted thinking and loss of contact with reality. It is the first in a new class of antipsychotic medications. Researchers believe that it works by diminishing the action of dopamine and serotonin two of the brain’s chief chemical messengers.

ADULTS

On the first day of therapy the usual is 2 doses of 25 milligrams each. On the second and third day doses are usually increased by 25 to 50 milligrams apiece. Frequency may be increased to 3 times daily.

Long-term the usual dosage is 300 to 400 milligrams a day taken as 2 or 3 smaller doses. Doses as low as 150 milligrams a day sometimes prove effective and daily dosage rarely exceeds 750 milligrams. Doses of 800 milligrams or more per day have not been tested for safety.

Dosage is increased more gradually--and is maintained at a lower level--for older adults those with liver disease those prone to low blood pressure reactions and the debilitated.

Note:

The content in this section is provided for informational purposes only. This information regarding the following Canadian drugs is not intended to replace or act as a substitute for information or advice provided by your physician. You should always consult a physician before beginning a new medication. Moreover, prescription drugs should only be obtained with a doctor's prescription.

If you would like more information on different medications, please click here for a list of the most reliable sites on the internet for prescription drug information.