OCD Symptoms Explained: Obsessions & Compulsions

Understanding specific OCD symptoms can help you recognize whether you or a loved one might be experiencing this condition.

Common Obsessions

Contamination Obsessions

• Fear of germs, dirt, or bodily fluids
• Worry about becoming ill
• Concern about contaminating others

Harm Obsessions

• Intrusive thoughts about causing harm to self or others
• Fear of acting on violent urges
• Worry about causing accidents

Symmetry/Order Obsessions

• Need for perfect symmetry or arrangement
• Distress when things are “not just right”
• Unable to proceed until items are arranged correctly

Forbidden Thoughts

• Unwanted sexual thoughts
• Violent or aggressive thoughts
• Blasphemous or religious thoughts

Responsibility Obsessions

• Excessive worry about mistakes
• Fear of being responsible for harm
• Overestimation of responsibility for bad outcomes

Common Compulsions

Cleaning/Washing

• Excessive handwashing or showering
• Cleaning specific objects repeatedly
• Avoiding “contaminated” objects

Checking

• Repeatedly checking locks
• Verifying that appliances are off
• Rechecking work or emails

Arranging/Organizing

• Arranging items perfectly symmetrical
• Organizing objects repeatedly
• Rearranging until “just right”

Counting/Repeating

• Counting objects or steps
• Repeating actions a specific number of times
• Repeating phrases or prayers

Reassurance-Seeking

• Asking others for repeated reassurance
• Seeking confirmation that nothing bad happened
• Repeatedly asking the same questions

Impact on Daily Life

Work/School

• Difficulty concentrating due to obsessions
• Time lost to compulsions
• Reduced productivity
• Difficulty meeting deadlines

Relationships

• Social withdrawal and isolation
• Involving family in compulsions (family accommodation)
• Difficulty maintaining relationships
• Reduced sexual function

Mental Health

• High anxiety and stress
• Depression from functional impairment
• Low self-esteem
• Increased substance use as coping mechanism

Key Differences from Similar Conditions

OCD vs. GAD

• OCD: Specific obsessions with corresponding compulsions
• GAD: General worry without specific compulsions

OCD vs. ADHD

• OCD: Intrusive thoughts that distress the person
• ADHD: Difficulty focusing; racing thoughts from distractibility

OCD vs. Perfectionism

• Perfectionism: Goal-directed, person feels in control
• OCD: Distressing, feels out of control, interferes with functioning

Risk Factors

• Genetics (OCD runs in families)
• Neurochemistry (low serotonin)
• Trauma or major life stress
• Childhood abuse or neglect
• Other anxiety disorders

Severity Levels

Mild: Occasional intrusive thoughts; minimal impact on functioning Moderate: Frequent obsessions; 1-3 hours daily lost to compulsions; noticeable impact on work/relationships Severe: Constant intrusions; 3+ hours daily lost to compulsions; significant functional impairment

Seeking Diagnosis

A mental health professional can diagnose OCD through:

• Clinical interviews
• Symptom questionnaires
• Assessment of obsessions and compulsions
• Duration and functional impact evaluation

Early diagnosis and treatment lead to better outcomes and improved quality of life.