Is trichotillomania OCD? Related, but not the same thing

The short answer: no — trichotillomania (hair pulling disorder) is not a type of OCD. Both the DSM-5 and the WHO’s ICD-11 place it in the family of obsessive-compulsive and related disorders,[2] but it is its own diagnosis, it usually works differently, and some first-line OCD treatments appear ineffective for it.[1] You can, however, have both.

Why they are grouped together

Before 2013, the American diagnostic manual (DSM-IV) listed trichotillomania as an impulse-control disorder. The DSM-5 moved it into a new chapter of obsessive-compulsive and related disorders, alongside skin picking disorder, body dysmorphic disorder and hoarding. The ICD-11 made a similar choice, grouping trichotillomania and excoriation disorder as “body-focused repetitive behaviour disorders” within the same family, based on shared features such as repetitive, hard-to-resist behaviors.[2]

Being in the same chapter means “related”, not “the same”. Researchers have argued for decades about where hair pulling belongs, and a leading clinical review cautions that trichotillomania and OCD “may have less in common than originally thought.”[1]

How hair pulling and OCD differ

• What drives it. OCD is typically driven by obsessions — intrusive, unwanted thoughts or fears — with compulsions performed to reduce the anxiety they cause. Hair pulling is usually driven by an urge, a build-up of tension, or a physical sensation, such as a hair that feels coarse or out of place. Many people who pull have no obsessions at all.
• How it feels in the moment. OCD compulsions are generally experienced as unwanted. Pulling often brings relief or even pleasure while it happens, with the distress arriving afterwards. Our article on why trichotillomania can feel good explains that loop.
• Automatic pulling. A large share of hair pulling happens outside awareness — during reading, screen time or driving. That “autopilot” mode is not how OCD compulsions usually work.
• The overall picture. In a comparison of 278 people with OCD and 54 with trichotillomania, the OCD group reported more lifetime disability, more co-occurring conditions and more harm avoidance, while fewer people with trichotillomania reported responding to treatment. The authors concluded the findings support important differences between the two.[3]

That said, some pulling does have a compulsive, “just right” quality — pulling until something feels even or correct. Real experiences sit on a spectrum, which is part of why the classification debate continues.

Same diagnostic family, different engine. OCD usually runs on fear and neutralizing it; hair pulling usually runs on sensation, relief and autopilot.

Why the difference matters for treatment

This is where the distinction stops being academic.

• SSRIs. Selective serotonin reuptake inhibitors are a first-line medicine for OCD. A systematic review of randomized trials found no evidence that SSRIs work better than placebo for trichotillomania.[4]
• Behavioral therapy. OCD is typically treated with exposure and response prevention. For trichotillomania, the approach with the largest effect in a 2020 meta-analysis of 24 trials was behavioral therapy with habit reversal training — awareness training plus a competing response.[5]
• Other medicines. Clomipramine, N-acetylcysteine and olanzapine each showed benefit over placebo in single trials, which need replication.[5] See our article on NAC for trichotillomania and skin picking.

In practice, this means that if your hair pulling is treated exactly like OCD, you may be offered approaches that were not designed for it. It is reasonable to ask a clinician whether they have experience with body-focused repetitive behaviors and habit reversal training specifically.

Can you have both?

Yes. In a survey of 10,169 US adults, 1.7% had current trichotillomania, and 79% of them had at least one other mental health condition — with OCD among the most common, alongside anxiety, depression, PTSD and ADHD.[6] If you have obsessions and compulsions as well as hair pulling, both deserve their own assessment and plan.

Where awareness fits

Because so much pulling happens on autopilot, the first step of habit reversal training is simply noticing when your hand moves toward your hair. Awaira supports that step: while Awaira is running on your computer or phone, it gives a private, on-device cue when your hand moves toward your face or head. It cannot tell whether you pulled, and it is not a treatment for trichotillomania or OCD.

When to get help

See a clinician if hair pulling is causing noticeable hair loss, distress, or is getting in the way of work, school or relationships — or if you also recognize intrusive thoughts and compulsions. A psychologist or psychiatrist who knows BFRBs can tell the conditions apart and recommend the right mix of behavioral therapy and, where appropriate, medication. The TLC Foundation for BFRBs keeps a directory of specialists.

Common questions

Is trichotillomania a form of OCD?

No. The DSM-5 and ICD-11 place trichotillomania in the family of obsessive-compulsive and related disorders, but it is a separate diagnosis. Hair pulling is usually driven by urges, tension or sensation, or happens automatically, rather than by obsessions, and some first-line OCD treatments appear ineffective for it.

Can you have OCD and trichotillomania at the same time?

Yes. In a survey of 10,169 US adults, 79% of people with current trichotillomania had at least one other mental health condition, and OCD was among the most common alongside anxiety, depression, PTSD and ADHD.

Do OCD medications work for trichotillomania?

A systematic review of randomized trials found no evidence that SSRIs, a first-line medication for OCD, work better than placebo for trichotillomania. Clomipramine, N-acetylcysteine and olanzapine each showed benefit in single trials. Behavioral therapy with habit reversal training has the strongest evidence.

Is trichotillomania an anxiety disorder?

No. Trichotillomania is classified among obsessive-compulsive and related disorders, not anxiety disorders, although anxiety commonly co-occurs with it and stress can make pulling worse for some people.

References

1. Grant JE, Chamberlain SR. “Trichotillomania.” American Journal of Psychiatry. 2016;173(9):868–874. PMC.
2. Stein DJ, Kogan CS, Atmaca M, et al. “The classification of Obsessive-Compulsive and Related Disorders in the ICD-11.” Journal of Affective Disorders. 2016;190:663–674. PubMed.
3. Lochner C, Seedat S, du Toit PL, Nel DG, Niehaus DJ, Sandler R, Stein DJ. “Obsessive-compulsive disorder and trichotillomania: a phenomenological comparison.” BMC Psychiatry. 2005;5:2. PMC.
4. Bloch MH, Landeros-Weisenberger A, Dombrowski P, et al. “Systematic review: pharmacological and behavioral treatment for trichotillomania.” Biological Psychiatry. 2007;62(8):839–846. PubMed.
5. Farhat LC, Olfson E, Nasir M, Levine JLS, Li F, Miguel EC, Bloch MH. “Pharmacological and behavioral treatment for trichotillomania: An updated systematic review with meta-analysis.” Depression and Anxiety. 2020;37(8):715–727. PubMed.
6. Grant JE, Dougherty DD, Chamberlain SR. “Prevalence, gender correlates, and co-morbidity of trichotillomania.” Psychiatry Research. 2020;288:112948. PMC.