What the FDA labels say about taking them together
Chlorpromazine and tranexamic acid
Tranexamic acid's FDA label (Tranexamic Acid In Sodium Chloride) of April 22, 2019 names chlorpromazine in its drug interactions section; the chlorpromazine label PlainMeds reads does not name tranexamic acid. The tranexamic acid label: “Chlorpromazine: May result in increased risk of bleeding.”
Check it at the source: the chlorpromazine FDA label on DailyMed (effective May 12, 2026, Amneal Pharmaceuticals NY LLC); the tranexamic acid FDA label on DailyMed (effective September 3, 2025, Pfizer Laboratories Div Pfizer Inc).
What does the chlorpromazine label say about tranexamic acid?
Chlorpromazine's label (effective May 12, 2026) does not name tranexamic acid in these sections. A label lists what its studies and reports found; it is not a complete list.
Source: FDA drug label (CHLORPROMAZINE HYDROCHLORIDE), Amneal Pharmaceuticals NY LLC, effective May 12, 2026 (SPL set aa086a21-de85-4b03-af58-49b70acf8cf0), via openFDA; the full label on DailyMed
What does the tranexamic acid label say about chlorpromazine?
Tranexamic Acid In Sodium Chloride label (Exela Pharma Sciences, LLC, April 22, 2019), drug interactionsChlorpromazine: May result in increased risk of bleeding ( 7.2 ).
Source: FDA drug label (Tranexamic Acid In Sodium Chloride, NDA212020), Exela Pharma Sciences, LLC, effective April 22, 2019 (SPL set db36ddf2-4ac5-47ac-bdce-e3fa6983073e), via openFDA
Source: FDA drug label (Cyklokapron), Pfizer Laboratories Div Pfizer Inc, effective September 3, 2025 (SPL set 6e89a7d9-4da4-42aa-b7f8-c602c24eefe5), via openFDA; the full label on DailyMed
These are the labels' own sentences. PlainMeds does not grade interactions; a pharmacist or prescriber can say what they mean for one person's medicines.
Both medicines on the record
| Chlorpromazine | Tranexamic acid | |
|---|---|---|
| Labeled for | Schizophrenia, Nausea and vomiting | n/a |
| Boxed warning | Yes | Yes |
| Pharmacy cost (NADAC) | $0.552 per tablet 100 mg tablet | $0.404 per mL 1,000 mg/10 mL |
| Shortage now | No current entry | No current entry |
Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)
What next?
- Check more medicines together
- up to five at once