Carbamazepine and Desmopressin Interaction

Drug interaction information between Carbamazepine and Desmopressin.

Carbamazepine and Desmopressin have a documented moderate interaction in FDA labeling.

FDA drug labeling documents a moderate-severity interaction between Carbamazepine and Desmopressin. This page displays the available source-record category and label text. The category is not an individual risk estimate or medication-combination direction.

Drug A

Carbamazepine

Anticonvulsant

Drug B

Desmopressin

Vasopressin Analog

How They Interact

Carbamazepine can increase the effects of desmopressin, which may cause your body to hold onto too much water. This can lead to a dangerous drop in the salt levels in your blood.

FDA Label Information

tricyclic antidepressants, selective serotonin re-uptake inhibitors, chlorpromazine, opiate analgesics, NSAIDs, lamotrigine and carbamazepine) should be performed with caution.

Desmopressin Also Interacts With

View all Desmopressin interactions →

Frequently Asked Questions

What SPL severity band is on file for Carbamazepine + Desmopressin?

Compiled FDA labeling labels this pair moderate. That is a source-record field, not an individual medication-combination decision.

Which drug in this pair has the larger labeled-interaction portfolio?

Carbamazepine has 129 labeled pairs on file vs Desmopressin's 3. In the moderate band specifically: Carbamazepine has 16 (also Lithium, Apixaban, Dronedarone, Fluconazole); Desmopressin has 3 (also Lamotrigine, Chlorpromazine).

What mechanism field is on file for Carbamazepine and Desmopressin?

Carbamazepine can increase the effects of desmopressin, which may cause your body to hold onto too much water. This can lead to a dangerous drop in the salt levels in your blood.

Carbamazepine carries more major-labeled pairs than Desmopressin

SPL source-record counts only. This page's band is moderate · classes on file: Carbamazepine (Anticonvulsant); Desmopressin (Vasopressin Analog).

Carbamazepine has 3 major-labeled pairs vs Desmopressin's 0. This page itself is in the moderate band, not the major band.

Carbamazepine

3 major · 16 moderate · 110 minor · 129 total

Desmopressin

0 major · 3 moderate · 0 minor · 3 total

Sources: FDA Drug Labels (SPL) via openFDA (2026). This is for informational purposes only and is not medical advice. This registry does not provide individual medication-combination directions.