Chlorpromazine and Lumateperone interaction

Chlorpromazine and Lumateperone: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.

Major

Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.

What the FDA labels say

From the Lumateperone (CAPLYTA) label · effective 2025-06-20

Major

Agranulocytosis (including fatal cases) has been reported with other antipsychotic drugs.

Warnings and precautionsby drug classView label on DailyMed
Minor

Seizures Like other antipsychotic drugs, CAPLYTA may cause seizures.

Warnings and precautionsby drug classView label on DailyMed
Minor

Potential for Cognitive and Motor Impairment CAPLYTA, like other antipsychotics, may cause somnolence and has the potential to impair judgment, thinking, and motor skills.

Warnings and precautionsby drug classView label on DailyMed
Minor

Strenuous exercise, exposure to extreme heat, dehydration, and anticholinergic drugs may contribute to an elevation in core body temperature.

Warnings and precautionsby drug classView label on DailyMed

From the Chlorpromazine (Chlorpromazine Hydrochloride) label · effective 2026-02-02

Moderate

Long-Term Therapy To lessen the likelihood of adverse reactions related to cumulative drug effect, patients with a history of long-term therapy with chlorpromazine and/or other antipsychotics should be evaluated periodically to decide whether the maintenance dosage could be lowered or drug therapy discontinued.

Precautionsby drug classView label on DailyMed

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Not medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.