Autism Spectrum Disorder vs. Obsessive-Compulsive Disorder (OCD)

Key Differences

Intrusive unwanted thoughts
Autism Spectrum Disorder: Associated
Obsessive-Compulsive Disorder (OCD): Core
Explanation: In OCD, unwanted thoughts are more likely to feel central, distressing, and difficult to disengage from, while in autism they may occur but are less defining.
Difficulty understanding social cues
Autism Spectrum Disorder: Core
Obsessive-Compulsive Disorder (OCD): Associated
Explanation: In autism, missing facial expressions, tone, or implied meanings is more likely to be a long-standing social-processing difference, while in OCD it is less central.
Seeking constant reassurance
Autism Spectrum Disorder: Associated
Obsessive-Compulsive Disorder (OCD): Core
Explanation: In OCD, reassurance-seeking is more likely to be driven by repeated doubt or fear that something bad could happen, while in autism it is less central.
Difficulty understanding other people's feelings
Autism Spectrum Disorder: Core
Obsessive-Compulsive Disorder (OCD): Associated
Explanation: In autism, difficulty reading or interpreting others' emotions is more likely to be a persistent social-communication feature, while in OCD it is not usually a defining pattern.
Excessive guilt
Autism Spectrum Disorder: Associated
Obsessive-Compulsive Disorder (OCD): Core
Explanation: In OCD, guilt is more likely to become intense and tied to intrusive doubts or feared responsibility, while in autism it is less central.

Key Similarities

Symptom How it is similar
Difficulty coping with uncertainty Both can involve strong distress when situations feel unclear, unpredictable, or unresolved.
Compulsive or repetitive behaviours Both can involve repeated actions or routines that may be used to manage distress, predictability, or internal discomfort.
Feeling constantly anxious or on edge Both can involve ongoing anxiety that makes it hard to feel settled or relaxed.
Fear of failure Both can involve persistent worry about getting things wrong or not meeting expectations.
Difficulty starting or finishing tasks Both can make it hard to begin, continue, or complete tasks even when the person wants to get them done.

Most often taken Self-Assessments

1 14