HomeDiazepamDiazepam + Venlafaxine

Does Diazepam Interact with Venlafaxine?

Diazepam and Venlafaxine have a minor drug interaction according to U.S. FDA drug labeling data. No significant pharmacokinetic interaction observed. Diazepam did not affect venlafaxine or ODV pharmacokinetics, and venlafaxine did not affect diazepam psychomotor effects. Patients taking both medications should consult their healthcare provider before starting, stopping, or changing the dosage of either drug. This information is based on official FDA drug labeling sourced from OpenFDA and the NIH National Library of Medicine.

Severity
Minor
Diazepam Class
Benzodiazepine
Management
Generally manageable
Data Source
U.S. FDA via OpenFDA

What To Tell Your Doctor or Pharmacist

If you are taking Diazepam and your doctor is considering prescribing Venlafaxine (or vice versa), make sure to:

  • Inform your doctor and pharmacist of all current medications, including over-the-counter drugs and supplements
  • Ask whether the benefits of combining these medications outweigh the risks for your specific situation
  • Ask what symptoms to watch for that would indicate the interaction is causing problems
  • Never stop or change either medication without first consulting your healthcare provider
💊 Diazepam(Valium)+💊 Venlafaxine(Effexor)

Severity & Interaction Details

minor
Generally safe — minor interaction
Low clinical significance. Routine awareness is usually sufficient.
Severity scale
MinorContra
On record
Yes
Drug A class
Benzodiazepine
Drug B class
Source
NLP:venlafaxine

What this means in plain English

No significant pharmacokinetic interaction observed. Diazepam did not affect venlafaxine or ODV pharmacokinetics, and venlafaxine did not affect diazepam psychomotor effects.

About Diazepam and Venlafaxine

Diazepam is a Benzodiazepine. You may recognize them by the brand names Valium and Effexor. Both medications are taken by mouth. Both Diazepam and Venlafaxine carry an FDA boxed warning — the agency's most serious safety designation.

Share this result:

WhatsAppText / SMSEmail
Also share on:XFacebook
Add more drugs
Check Diazepam and Venlafaxine against your full medication list

Most patients take more than two medications. CDI checks every pair across up to 20 drugs simultaneously — including OTCs and common supplements.

Add more drugs →
Data integrity: Every interaction shown is extracted directly from official U.S. FDA drug labeling via openFDA and the U.S. National Library of Medicine (NIH) — no interactions are invented, inferred, or manually edited. Maintained by CheckDrugInteractions.com. See our methodology or report a correction at support@checkdruginteractions.com.

Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine, supplemented with a small number of well-established interactions from curated clinical references. For informational purposes only. Always consult your pharmacist or physician.