Tramadol and Venlafaxine interaction
Tramadol and Venlafaxine: both prescribing labels flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.
Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.
What the FDA labels say
From the Venlafaxine (Venlafaxine Hydrochloride) label · effective 2025-01-31
If concomitant use of Venlafaxine Extended Release Tablets with other serotonergic drugs is clinically warranted, patients should be made aware of a potential increased risk for serotonin syndrome, particularly during treatment initiation and dose increases.
If concomitant use of Venlafaxine Extended Release Tablets with other serotonergic drugs is clinically warranted, inform patients of the increased risk for serotonin syndrome and monitor for symptoms.
Serotonin Syndrome: Sertotonin syndrome has been reported with SSRIs and SNRIs, including Venlafaxine Extended Release Tablets, both when taken alone, but especially when co-administered with other serotonergic agents.
The risk is increased with concomitant use of other serotonergic drugs (including triptans, tricyclic antidepressants, fentanyl, lithium, tramadol, tryptophan, meperidine, methadone, busipirone, amphetamines, and St.
Monoamine Oxidase Inhibitors (MAOIs) [See Dosage and Administration ( 2.6 and 2.7 ), Contraindications ( 4.1 ), and Warnings and Precautions ( 5.2 ) . ] 7.10 Other Serotonergic Drugs The concomitant use of serotonergic drugs (including other SNRIs, SSRIs, triptans, tricyclic antidepressants, opioids, lithium, buspirone, amphetamines, tryptophan, and St.
From the Tramadol (Tramadol Hydrochloride Extended-Release) label · effective 2026-01-23
Serotonin Syndrome Risk: Potentially life-threatening condition could result from use of Tramadol Hydrochloride Extended-Release Capsules, particularly during concomitant use of serotonergic drugs.
Risk is increased with higher than recommended doses and concomitant use of SSRIs, SNRIs, anorectics, tricyclic antidepressants and other tricyclic compounds, other opioids, MAOIs, neuroleptics, other drugs that reduce seizure threshold, in patients with epilepsy or at risk for seizures.
Use with caution in those taking tranquilizers, antidepressants or abusing alcohol.
…3A4 inhibitors, or 2D6 inhibitors with Tramadol Hydrochloride Extended-Release Capsules requires careful consideration of the effects on the parent drug, tramadol which is a weak serotonin and norepinephrine reuptake inhibitor and mu-opioid agonist, and the active metabolite, M1, which is more potent than tramadol in mu-opioid receptor binding [ see Drug Interactions…
Serotonin Syndrome Risk Cases of serotonin syndrome, a potentially life-threatening condition, have been reported with the use of tramadol products, including Tramadol Hydrochloride Extended-Release Capsules, particularly during concomitant use with serotonergic drugs.
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Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.