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Does Doxepin Hydrochloride Interact with Linezolid?

Doxepin Hydrochloride and Linezolid have a contraindicated drug interaction according to U.S. FDA drug labeling data. Linezolid is an MAOI. Concomitant use with doxepin hydrochloride increases risk of serotonin syndrome. Use within 14 days of discontinuation is contraindicated. The mechanism involves serotonin syndrome risk. 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
Contraindicated
Linezolid Class
Oxazolidinone Antibacterial
Management
Do not take together
Data Source
U.S. FDA via OpenFDA

How This Interaction Works

The interaction between Doxepin Hydrochloride and Linezolid occurs because serotonin syndrome risk. Clinically, this means linezolid is an maoi. concomitant use with doxepin hydrochloride increases risk of serotonin syndrome. use within 14 days of discontinuation is contraindicated. Because of the severity of this interaction, these medications are contraindicated — meaning they should not be taken together under any circumstances. If you are currently taking both, contact your healthcare provider immediately to discuss alternatives.

What To Tell Your Doctor or Pharmacist

If you are taking Doxepin Hydrochloride and your doctor is considering prescribing Linezolid (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
  • Ask about alternative medications that do not interact with your current regimen
  • Ask how frequently you should be monitored while these are co-prescribed
  • Never stop or change either medication without first consulting your healthcare provider
💊 Doxepin Hydrochloride(Doxepin Hydrochloride)+💊 Linezolid(Linezolid)

Severity & Interaction Details

⛔
contraindicated
Avoid this combination
FDA labeling lists this pair as contraindicated. The risk outweighs the benefit in nearly all cases.
Severity scale
MinorContra
On record
Yes
Drug A class
—
Drug B class
Oxazolidinone Antibacterial
Source
NLP:doxepin hydrochloride

What this means in plain English

Linezolid is an MAOI. Concomitant use with doxepin hydrochloride increases risk of serotonin syndrome. Use within 14 days of discontinuation is contraindicated.

What the FDA label says

"Serotonin syndrome risk"

📖 Source: NLP:doxepin hydrochloride

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Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine. For informational purposes only. Always consult your pharmacist or physician.