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Two medicines, side by side

Ziprasidone vs olanzapine

Ziprasidone and olanzapine are both labeled for bipolar disorder and schizophrenia. Drugs@FDA records approvals of ziprasidone since 2001 and of olanzapine since 1996. Pharmacies paid $0.269 per ziprasidone HCl 20 mg capsule and $0.147 per olanzapine 20 mg tablet (NADAC, October 7, 2026). How each works, in its label's words: Ziprasidone, “The mechanism of action of ziprasidone in the treatment of the listed indications could be mediated through a combination of dopamine type 2 (D 2 ) and serotonin type 2 (5HT 2 ) antagonism.”; Olanzapine, “The mechanism of action of olanzapine, in the listed indications is unclear.”

Check it at the source: the ziprasidone FDA label on DailyMed (effective July 20, 2026); the olanzapine FDA label on DailyMed (effective March 5, 2026).

Highlights of the ziprasidone record

Ziprasidone (Geodon) · label of July 20, 2026

Boxed warning

INCREASED MORTALITY IN ELDERLY PATIENTS WITH DEMENTIA-RELATED PSYCHOSIS Elderly patients with dementia-related psychosis treated with antipsychotic drugs are at an increased risk of death. Ziprasidone capsules are not approved for the treatment of patients with dementia-related psychosis [see Warnings and Precautions ( 5.1 )]. WARNING: INCREASED MORTALITY IN ELDERLY PATIENTS WITH DEMENTIA-RELATED PSYCHOSIS See full prescribing information for complete boxed warning.

Used for

From the label: indications

Ziprasidone capsules are indicated for the treatment of schizophrenia, as monotherapy for the acute treatment of bipolar manic or mixed episodes, and as an adjunct to lithium or valproate for the maintenance treatment of bipolar disorder. […]

On the market

Earliest approval on file
February 5, 2001
Generic labelers
23 labelers
Pharmacy cost
$0.269 per capsule

Supply and safety

Shortage
No current entry
Recalls
1

Highlights of the olanzapine record

Olanzapine (Zyprexa) · label of March 5, 2026

Boxed warning

INCREASED MORTALITY IN ELDERLY PATIENTS WITH DEMENTIA-RELATED PSYCHOSIS Elderly patients with dementia-related psychosis treated with antipsychotic drugs are at an increased risk of death. Analyses of seventeen placebo-controlled trials (modal duration of 10 weeks), largely in patients taking atypical antipsychotic drugs, revealed a risk of death in drug-treated patients of between 1.6 to 1.7 times the risk of death in placebo-treated patients.

Used for

From the label: indications

Olanzapine is an atypical antipsychotic indicated: As oral formulation for the: · Treatment of schizophrenia. ( 1.1 ) · Adults: Efficacy was established in three clinical trials in patients with schizophrenia: two 6-week trials and one maintenance trial. ( 14.1 ) · Adolescents (ages 13-17): Efficacy was established in one 6-week trial in patients with schizophrenia ( 14.1 ). […]

On the market

Earliest approval on file
September 30, 1996
Generic labelers
43 labelers
Pharmacy cost
$0.147 per tablet

Supply and safety

Shortage
No current entry
Recalls
14

Source: FDA drug labels via openFDA (Ziprasidone label of July 20, 2026, Olanzapine label of March 5, 2026); NDC Directory, Drugs@FDA, NADAC, FDA shortages and recalls (October 8, 2026)

How do ziprasidone and olanzapine differ on the record?

How each works, in its label's words: Ziprasidone, “The mechanism of action of ziprasidone in the treatment of the listed indications could be mediated through a combination of dopamine type 2 (D 2 ) and serotonin type 2 (5HT 2 ) antagonism.”; Olanzapine, “The mechanism of action of olanzapine, in the listed indications is unclear.”

Both are in FDA's class atypical antipsychotics.

Half-life, in each label's words: Ziprasidone, “Elimination of ziprasidone is mainly via hepatic metabolism with a mean terminal half-life of about 7 hours within the …”; Olanzapine, “Its half-life ranges from 21 to 54 hours (5th to 95th percentile; mean of 30 hr), and apparent plasma clearance ranges …”

Both labels carry a boxed warning; the records quote them.

Generics: ziprasidone since 2012; olanzapine since 2011 (Drugs@FDA).

ZiprasidoneOlanzapine
Labeled forBipolar disorder, SchizophreniaSchizophrenia, Bipolar disorder, Depression
Pharmacologic classAtypical AntipsychoticAtypical Antipsychotic
How it works (label)The mechanism of action of ziprasidone in the treatment of the listed indications could be mediated through a combination of dopamine type 2 (D 2 ) and serotonin type 2 (5HT 2 ) antagonism.The mechanism of action of olanzapine, in the listed indications is unclear. However, the efficacy of olanzapine in schizophrenia could be mediated through a combination of dopamine and serotonin type 2 (5HT 2 ) antagonism.
Half-life (label)Elimination of ziprasidone is mainly via hepatic metabolism with a mean terminal half-life of about 7 hours within the proposed clinical dose range.Its half-life ranges from 21 to 54 hours (5th to 95th percentile; mean of 30 hr), and apparent plasma clearance ranges from 12 to 47 L/hr (5th to 95th percentile; mean of 25 L/hr).
Earliest approval on file (Drugs@FDA)February 5, 2001September 30, 1996
First generic approvedMarch 2, 2012October 24, 2011
Generic labelers (NDC)23 labelers43 labelers
Pharmacy cost (NADAC, each one's most listed form; strengths differ)$0.269 per capsule (Ziprasidone HCl 20 mg capsule)$0.147 per tablet (Olanzapine 20 mg tablet)
12-month price change-13%-5%
Boxed warningYesYes
Shortage nowNo current entryNo current entry
Recalls recorded114
FAERS reports (a report is not proof of cause; counts follow how widely a medicine is used)6,148107,881
DEA schedulenonenone

Source: Drugs@FDA, FDA NDC Directory, CMS NADAC of October 7, 2026, FDA shortages and recalls, FAERS via openFDA (FDA files October 8, 2026)

What do the labels say about using others of their kind?

Ziprasidone label, drug interactions

Risk of serotonin syndrome with concomitant therapy with other serotonergic drugs such as SNRIs, SSRIs, triptans, tricyclic antidepressants, opioids, lithium, tryptophan, buspirone, amphetamines, and St. John’s Wort [see Contraindications ( 4.3 ), Warnings and Precautions ( 5.4 ), Adverse Reactions ( 6.2 )].

Source: FDA drug labels via openFDA

What next?

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