What the FDA labels say about taking them together
Duloxetine and tramadol
Duloxetine's FDA label of May 14, 2024 names tramadol in its warnings and precautions section; tramadol's label does not name duloxetine itself but warns about its class (SNRIs (serotonin and norepinephrine reuptake inhibitors)). The duloxetine label: “The risk is increased with concomitant use of other serotonergic drugs and with drugs that impair metabolism of serotonin.”
Check it at the source: the duloxetine FDA label on DailyMed (effective May 14, 2024, SUN PHARMACEUTICAL INDUSTRIES, INC.); the tramadol FDA label on DailyMed (effective March 5, 2026, Lupin Pharmaceuticals, Inc.).
What does the duloxetine label say about tramadol?
Duloxetine label, warnings and precautionsThe risk is increased with concomitant use of other serotonergic drugs (including triptans, tricyclic antidepressants, fentanyl, lithium, tramadol, meperidine, methadone, tryptophan, buspirone, amphetamines, and St. John’s Wort) and with drugs that impair metabolism of serotonin [see Contraindications (4), Drug Interactions (7)].
Source: FDA drug label (Duloxetine, NDA219131), Almatica Pharma LLC, effective March 2, 2026 (SPL set bb2ca3bf-983c-1e4a-a91d-dc7dee66d741), via openFDA
Source: FDA drug label (DRIZALMA SPRINKLE), SUN PHARMACEUTICAL INDUSTRIES, INC., effective May 14, 2024 (SPL set b41423b8-dfec-4d79-ba3c-e43a87803d85), via openFDA; the full label on DailyMed
What does the tramadol label say about duloxetine?
Tramadol's label does not name duloxetine itself; it warns about its class (SNRIs (serotonin and norepinephrine reuptake inhibitors)):
Tramadol label, warnings and precautionsSyndrome with Concomitant Use of Serotonergic Drugs Cases of serotonin syndrome, a potentially life-threatening condition, have been reported with the use of tramadol products, including tramadol hydrochloride extended-release tablets, particularly during concomitant use with serotonergic drugs. Serotonergic drugs include selective serotonin reuptake inhibitors (SSRIs), serotonin and norepinephrine reuptake inhibitors (SNRIs), tricyclic antidepressants (TCAs), triptans, 5-HT3 receptor antagonists, drugs that …
Tramadol label, warnings and precautionsCases 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. Serotonergic drugs include selective serotonin reuptake inhibitors (SSRIs), serotonin and norepinephrine reuptake inhibitors (SNRIs), tricyclic antidepressants (TCAs), triptans, 5-HT3 receptor antagonists, drugs that affect the serotonergic neurotransmitter system (e.g. …
Source: FDA drug label (TRAMADOL HYDROCHLORIDE), Lupin Pharmaceuticals, Inc., effective March 5, 2026 (SPL set 46bb9ae6-3ee8-463c-badb-c7a45a89b84b), via openFDA; the full label on DailyMed
These are the labels' own sentences. PlainMeds does not grade interactions; a pharmacist or prescriber can say what they mean for one person's medicines.
Both medicines on the record
| Duloxetine | Tramadol | |
|---|---|---|
| Labeled for | Depression, Anxiety, Nerve pain and fibromyalgia, Pain | Pain |
| Boxed warning | Yes | Yes |
| Pharmacy cost (NADAC) | $0.102 per capsule 30 mg capsule | $0.0248 per tablet 50 mg tablet |
| Shortage now | No current entry | No current entry |
Source: FDA NDC Directory, CMS NADAC of October 7, 2026 and the FDA Drug Shortage Database (FDA files October 8, 2026)
What next?
- Check more medicines together
- up to five at once