MAJOR — Use With Caution
Tianeptine and SSRIs/SNRIs — Major Interaction (Serotonin Syndrome Risk)
Evidence level: STRONG
RISKY COMBINATION. Duloxetine inhibits both serotonin and norepinephrine reuptake and is also a moderate CYP2D6 inhibitor. Adding tianeptine creates serotonin syndrome risk from the serotonergic overlap, while duloxetine's enzyme inhibition may slow the metabolism of tianeptine, leading to higher-than-expected blood levels of both serotonin-active compounds.
Tianeptine modulates serotonin reuptake (originally classified as a selective serotonin reuptake enhancer, though this mechanism is debated) and has mu-opioid agonist activity. SSRIs/SNRIs inhibit serotonin reuptake. The combined serotonergic effects create risk of serotonin syndrome. Additionally, tianeptine's opioid activity combined with tramadol-like properties of some SNRIs compounds the danger.
Do not take tianeptine with Duloxetine (Cymbalta). Duloxetine is prescribed for depression, neuropathic pain, fibromyalgia, and anxiety — so patients may not realize it is a potent serotonergic drug. If you take duloxetine for chronic pain, do not add tianeptine for mood support. Duloxetine has a half-life of about 12 hours; wait at least 5 days after stopping it before starting tianeptine. Report any symptoms of high fever, muscle stiffness, or rapid pulse to emergency services.
Take Duloxetine as prescribed. Tianeptine can typically be taken with a meal, spaced 1-2 hours from the medication for clean absorption. Discuss this combination with your pharmacist for personalized guidance.
Higher risk for: elderly, those on multiple serotonergic drugs, people with liver impairment, CYP2D6 poor metabolizers, recent dose changes, or concurrent use of MAOIs or triptans.
Agitation, restlessness, rapid heart rate, dilated pupils, muscle twitching or rigidity, high body temperature, sweating, diarrhea, confusion. Seek emergency care if these develop.
Disclose tianeptine use to your prescriber. Discuss serotonin syndrome risk. Tianeptine is not approved in the US and has significant abuse potential via its opioid activity. Explore safer antidepressant monotherapy options.
Discuss this combination with your prescriber. They may adjust timing, dosing, or switch to an alternative with fewer interaction risks. Never stop an antidepressant abruptly — taper under medical guidance.
RISKY COMBINATION. Duloxetine inhibits both serotonin and norepinephrine reuptake and is also a moderate CYP2D6 inhibitor. Adding tianeptine creates serotonin syndrome risk from the serotonergic overlap, while duloxetine's enzyme inhibition may slow the metabolism of tianeptine, leading to higher-than-expected blood levels of both serotonin-active compounds.
Take Duloxetine as prescribed. Tianeptine can typically be taken with a meal, spaced 1-2 hours from the medication for clean absorption. Discuss this combination with your pharmacist for personalized guidance.
Agitation, restlessness, rapid heart rate, dilated pupils, muscle twitching or rigidity, high body temperature, sweating, diarrhea, confusion. Seek emergency care if these develop.
Discuss this combination with your prescriber. They may adjust timing, dosing, or switch to an alternative with fewer interaction risks. Never stop an antidepressant abruptly — taper under medical guidance.
Disclose tianeptine use to your prescriber. Discuss serotonin syndrome risk. Tianeptine is not approved in the US and has significant abuse potential via its opioid activity. Explore safer antidepressant monotherapy options.
Or browse the full interaction database (121,000+ pairs).