+ One strength of drug therapy for OCD was shown by Soomro et al (2009). In this study, it was found that SSRIs were significantly better than placebos (fake drugs) at reducing OCD symptoms, showing that the drugs are effective.
+ Compared to psychological treatments, drug therapy is easy and non-disruptive, as the patient just needs to take a pill rather than undergoing lengthy therapy sessions. This is a strength because the treatment suits people no matter what their lifestyle, job, and so on.
- A weakness of drugs is that they can have side effects, for example indigestion, loss of sex drive, blurred vision, weight gain, and aggression. This weakens the use of drugs because patients may be less willing to take them, therefore their OCD symptoms will return.
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