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Depression. Tricyclic (TCA) and Selective serotonin reuptake inhibitor (SSRI). Ali Gomez Wri 116 Fall 2013. “I never considered that an underlying condition was hampering my ability to handle the stress. I thought, this is just how life is. ”. What is Depression?. Disorder
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Depression Tricyclic (TCA) and Selectiveserotoninreuptakeinhibitor (SSRI) Ali Gomez Wri 116 Fall 2013
“I never considered that an underlying condition was hampering my ability to handle the stress. I thought, this is just how life is. ”
What is Depression? • Disorder • Interferes with daily activity • Causes pain for both the person with it as well as people around them • Interferes with person's ability to work, sleep, study, eat, and enjoy once-pleasurable activities • Mood changes
Treatment: DRUG THERAPY • Many different forms • Most common ones: • Tricyclic Antidepressant (TCA) • Selective Serotonin Reuptake Inhibitor (SSRI) • Both given in pill form • Effects the nerves • Dosage depends on age and level diagnosed
Tricyclic Antidepressant • Earliest prescribed • Main goal: make chemical changes in the brain = slow reuptake • Reuptake: when a shock leaves the brain and is absorbed back into the nerve cell in brain • Shock = neurotransmitters • The chemicals are usually serotonin and norepinephrine • Side effects: • weight gain, dry mouth, constipation, drowsiness, and dizziness.
Shock occurs (shout: dinner) • Serotonin are realeased (stand up) • Serotonin goes through the gap (walk to table) • Enters receptors = (sit down and talk about day) • Reuptake slow(go back to living room) • Black certain recepters = side effects
Selective Serotonin Reuptake Inhibitor (SSRI) • Most prescribed anti- depressants • ease symptoms of moderate to severe depression • are safer • cause fewer side effects than other types of antidepressants • Side effects: • Nausea, Nervousness, agitation or restlessness, Dizziness • Reduced sexual desire or difficulty reaching orgasm or inability to maintain an erection (erectile dysfunction) • Drowsiness, Insomnia, Weight gain or loss, Headache, Dry mouth, Vomiting, Diarrhea
http://www.youtube.com/watch?v=sc-4zhqViQ4 http://www.youtube.com/watch?v=sc-4zhqViQ4
Study: Efficacy and Tolerability of Tricyclic Antidepressants and SSRIs Compared With Placebo for Treatment of Depression in Primary Care • Bruce Arroll, MBChB, PhD, Department of General Practice and Primary Health Care, University of Auckland, Private Bag 92019, Auckland, NZ • Methods: • Adults • TCA, SSRI, and Placebo (control treatment) • Primary care patients • Low dose (75mg and 100 mg) • 10 studies • 2-6 weeks
Results • 3 SSRI and placebo • 2 TCA and Placebo • 56% - 70% responded well to active treatment • 42% - 47% responded to Placebo • Relative Risk for withdrawal • 2.35 for TCA • Non for SSRI • Relative Risk (less likely to occur an experimental group than in controld group) • 1.26 for TCA • 1.37 for SSRI
Conclusion • Both TCA and SSRI are effective • Low dose are effective in primary care • TCA and SSRI are more effective than placebo