Manufacturers: Barr laboratories inc, Dr reddys laboratories ltd +29 more
Fluoxetine is a selective serotonin reuptake inhibitor used to treat major depressive disorder, bulimia, OCD, premenstrual dysphoric disorder, panic disorder, and bipolar I.
Fluoxetine is a selective serotonin reuptake inhibitor used to treat major depressive disorder, bulimia, OCD, premenstrual dysphoric disorder, panic disorder, and bipolar I.
The monoaminergic hypothesis of depression emerged in 1965 and linked depression with dysfunction of neurotransmitters such as noradrenaline and serotonin. Indeed, low levels of serotonin have been observed in the cerebrospinal fluid of patients diagnosed with depression. As a result of this hypothesis, drugs that modulate levels of serotonin such as fluoxetine were developed. Fluoxetine is a selective serotonin reuptake inhibitor (SSRI) and as the name suggests, it exerts it's therapeutic effect by inhibiting the presynaptic reuptake of the neurotransmitter serotonin. As a result, levels of 5-hydroxytryptamine (5-HT) are increased in various parts of the brain. Further, fluoxetine has high affinity for 5-HT transporters, weak affinity for noradrenaline transporters and no affinity for dopamine transporters indicating that it is 5-HT selective. Fluoxetine interacts to a degree with the 5-HT receptor and it has been suggested that through this mechanism, it is able to increase noradrenaline and dopamine levels in the prefrontal cortex.
Fluoxetine is indicated for both acute and maintenance treatment of major depressive disorder, obsessive compulsive disorder, and bulimia nervosa; however, it is only indicated for acute treatment of panic disorder independent of whether agoraphobia is present. Fluoxetine may also be used in combination with olanzapine to treat depression related to Bipolar I Disorder, and treatment resistant depression. Fluoxetine is additionally indicated for the treatment of female patients with premenstrual dysphoric disorder (PMDD).
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