SSRIs effective in OCD treatment shown in studies, but some patients experience indigestion, nausea, headache and insomnia.
For tricyclics (second line treatment), can lead to hallucinations, erection issues and raised blood pressure.
BZs renowned for being highly addictive and causes inc aggression + LTM impairments so only prescribed usually for short term treatments.
Side effects diminish effectiveness, patients wil, stop medication once effects ex, frequnetly results in relapse.