These harmful effects include the worsening of symptoms, dependency on the therapist, the development of new symptoms, and a reluctance to seek future treatment.

What are negative effects of therapy?

They include treatment failure and deterioration of symptoms, emergence of new symptoms, suicidality, occupational problems or stigmatization, changes in the social network or strains in relationships, therapy dependence, or undermining of self-efficacy.

Can therapy do more harm than good?

Yes, it's more likely that therapy will do good than do harm. But the dark secret in the mental health world is that therapy can cause harm. People who've been to a bad therapist can tell you: bad therapy is worse than no therapy at all. Sometimes "bad therapy" is simply ineffective.