Antipsychotic Medication
An Overview
Name: |
Generic: |
Dose (mg): |
Mechanism: |
Comments |
Abilify |
Aripiprazole |
10, 15, 20, 30 |
Partial D2, 5HT1A agonist/ 5HT2A antagonist |
Less sedation than other agents |
Geodon |
ziprasidone |
20 bid - 100 bid |
|
Rare ECG changes - avoid if recent heart attack |
Risperdal |
Risperidone |
2 bid - 6 bid max |
5HT-2 and D2 receptor blockade |
? EPS, orthostatic hypotension, weight gain (less so than Zyprexa, more than placebo) |
Seroquel |
Quetiapine |
600-800 mg |
|
sedation, dizziness, dry mouth, constipation; intermediate weight gain risk |
Zyprexa (also available as Zydis) |
Olanzapine |
10-20 qhs |
5HT2A antag, D2 antag; selectively inhibits dopamine tracts in the mesolimbic pathways |
Weight gain (median 14#) is a major problem; diabetes risk is elevated; extremely sedating. Very effective at both mood stabilization and anti-psychosis. |
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Clozaril |
Clozapine |
|
Chemically similar to olanzapine; antagonist of 5HT2 receptor (serotonin) |
Bone marrow suppression a rare but potentially fatal side effect, so weekly blood monitoring required; diabetes risk |