Tricyclic antidepressants definition

In Table 8 the drugs are listed which have been found in hair, not belonging to one of the groups above. Ishiyama et al. detected tricyclic antidepressants in hair and discussed the possibility to determine definitely if patients are under a longterm treatment of medicines. Pentazocine was abused by a medical doctor and could be detected by hair analysis. In patients under methadone treatment, hair analysis perhaps may show a dose-related concentration. Kintz et al. ° detected several... 

Many studies have been done comparing St. John s wort to placebo or to tricyclic antidepressants (Linde et al., 1996). However, problems with inclusion criteria, diagnostic criteria, antidepressant dosing, and study duration do not permit definitive conclusions about the safety and efficacy of St. John s wort for treatment of depression. 

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