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The following medicines may increase the release of natural antidiuretic hormone in the body and may therefore increase the effect of desmopressin:
- carbamazepine
- chlorpromazine
- non-steroidal anti-inflammatory drugs (NSAIDs), eg indometacin
- SSRI antidepressants such as fluoxetine
- tricyclic antidepressants such as amitriptyline.
If you are taking desmopressin with any of these medicines you should carefully follow instructions about restricting your fluid intake, because these medicines may increase the risk of fluid retention and decreased concentration of sodium in the blood.
Loperamide (used to treat diarrhoea) may increase the blood level of desmopressin taken by mouth. As a result, it may also increase the risk of fluid retention and decreased concentration of sodium in the blood. It should be avoided by people taking desmopressin tablets.
Other medicines containing the same active ingredient
| DDAVP injection | DDAVP intranasal solution | DDAVP tablets |
| DesmoMelt | Desmospray | Octim injection |
| Octim nasal spray |