Duloxetine, sold under the brand name Cymbalta among others,[1] is a medication used to treat major depressive disorder, generalized anxiety disorder, obsessive-compulsive disorder, fibromyalgia, neuropathic pain and central sensitization.[10][11] It is taken by mouth.[10]
Duloxetine is a serotonin–norepinephrine reuptake inhibitor (SNRI).[12] The precise mechanism for its antidepressant and anxiolytic effects is not known.[10]
Common side effects include dry mouth, nausea, feeling tired, dizziness, agitation, sexual problems, and increased sweating.[10] Severe side effects include an increased risk of suicide, serotonin syndrome, mania, and liver problems.[10] Antidepressant withdrawal syndrome may occur if stopped.[10] There are concerns that use during the later part of pregnancy can harm the developing fetus.[10]
Duloxetine was approved for medical use in the United States[10][13] and the European Union in 2004.[5][7] It is available as a generic medication.[12] In 2022, it was the 31st most commonly prescribed medication in the United States, with more than 18 million prescriptions.[14][15]
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