Medication·Interactions & depletion·Reviewed June 9, 2026
Desvenlafaxine interactions.
Desvenlafaxine has 4 documented interactions in the NutriStack database, including 4 flagged to avoid or as a serious conflict. Prolonged use is also associated with lower Sodium. The full interaction list, depletion table, and replacement suggestions are below. None of this is a substitute for your prescriber's advice.
Desvenlafaxine at a glance.
A quick, data-grounded summary. The full tables are below.
Desvenlafaxine has 4 documented interactions in the NutriStack database, including 4 flagged to avoid or as a serious conflict. Prolonged use is also associated with lower Sodium. The full interaction list, depletion table, and replacement suggestions are below. None of this is a substitute for your prescriber's advice.
Substances that interact with desvenlafaxine.
Every supplement and medication in the NutriStack database with a documented interaction with this drug, highest-severity first. Open any pair for the mechanism and sources.
| Substance | Interaction | What happens |
|---|---|---|
| 5-HTP | Contraindicated | Desvenlafaxine blocks serotonin reuptake, while 5-HTP is converted directly into serotonin. Taking them together can push serotonin signaling into a... details → |
| L-Tryptophan | Contraindicated | Desvenlafaxine is an SNRI with meaningful serotonin reuptake inhibition, and L-tryptophan is converted into serotonin. Supplemental L-tryptophan can... details → |
| MDMA | Contraindicated | Desvenlafaxine blocks serotonin and norepinephrine reuptake, and MDMA forces serotonin and norepinephrine release through the same transporter... details → |
| St. John's Wort | Contraindicated | St. John's Wort has antidepressant-like serotonergic activity and is a major herb-drug interaction trigger. Combining it with desvenlafaxine can add... details → |
What desvenlafaxine can deplete.
Nutrients this medication is associated with lowering over time, with the mechanism, a suggested replacement where one applies, and the biomarker to monitor. Discuss any replacement with your prescriber first.
| Nutrient | Severity | How it happens | Replace with | Monitor |
|---|---|---|---|---|
| Sodium | Moderate | Antidepressant-associated SIADH can increase renal free-water retention and dilute serum sodium, producing hyponatremia. | – | Serum sodium |
The full desvenlafaxine profile.
Uses, typical dosing, side effects, and the cited evidence for this medication.
Common desvenlafaxine questions.
Quick answers drawn from the tables above.
What interacts with Desvenlafaxine?
In the NutriStack database, Desvenlafaxine has 4 documented interactions. The most notable include 5-HTP, L-Tryptophan, MDMA, and St. John's Wort. Check any specific combination before taking it and confirm with your prescriber.
Which substances should I avoid with Desvenlafaxine?
Desvenlafaxine is flagged against 4 substances in the database, including 5-HTP, L-Tryptophan, MDMA, and St. John's Wort. These pairings carry a higher risk and should be reviewed with a clinician before combining.
Does Desvenlafaxine deplete any nutrients?
Desvenlafaxine is associated with lowering Sodium with prolonged use. Useful biomarkers to monitor include Serum sodium. Ask your prescriber before adding any replacement supplement.
Is it safe to take 5-HTP with Desvenlafaxine?
NutriStack classifies the 5-HTP and Desvenlafaxine pairing as contraindicated: Desvenlafaxine blocks serotonin reuptake, while 5-HTP is converted directly into serotonin. Taking them together can push serotonin signaling into a toxic range and... Do not take 5-HTP while using desvenlafaxine. Stop 5-HTP and discuss a washout plan before starting desvenlafaxine. Seek urgent care for fever,... Always confirm with your prescriber.
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