Biological approach to the treatment of OCD

• Biological approach


  Assumes imbalances in brain chemicals like serotonin cause OCD, so drugs correct them
• Selective serotonin reuptake inhibitors (SSRIs)


  Work by inhibiting the rapid reuptake of serotonin back into the presynaptic neuron which in turn increases serotonin levels available in the synapse
• SSRIs


  Allow serotonin to bind to receptor sites, stimulating the postsynaptic neuron and improving mood while reducing anxiety in OCD patients
• SSRIs


  Usually taken daily for about 3-4 months to see a reduction in OCD
• SNRIs


  Work the same way as SSRIs but work by blocking the reuptake of both serotonin and noradrenaline
• SNRIs


  Have a balancing effect on mood, arousal, and alertness which reduces the symptoms of OCD