Diagnosis

OCD and Obsessive-Compulsive Personality Disorder: What's the Difference?
Although OCD and OCPD are often confused, there are a key number of differences between OCD and OCPD.

Diagnosing OCD - Diagnosing OCD
Although OCD is accepted as an illness with biological roots, it can’t be diagnosed using a blood sample, X-ray or other medical test. A mental health professional such as a psychiatrist, psychologist or family doctor or nurse with special training will usually make a diagnosis of OCD using their medical judgment and experience. However, it is...

OCD and Hypochondriasis
OCD has symptoms that often resemble other forms of mental illnesses. Hypochondriasis is often mistaken for OCD; however, each illness has a number of unique features that healthcare providers can use to tell these two disorders apart. Read more to find out about what is the difference between OCD and hypochondriasis.

Diagnosing Obsessive-Compulsive Disorder
How do you or your doctor know if you have OCD? Learn the basics about the symptoms of OCD and how it is diagnosed by qualified health professionals.

Symptoms of OCD
When does a superstition become a compulsion? When does a preoccupation become an obsession? Learn the basics about the symptoms of OCD.

Assessment and Diagnosis of Obsessive-Compulsive Disorder
An overview of issues surrounding the diagnosis of OCD. Also includes a description of questionnaires and measures used to diagnose OCD.

Structured Clinical Interview for Mental Disorders
The official website for the Structured Clinical Interview for Mental Disorders (SCID): the structured interview used by healthcare professionals to diagnose mental illness, including OCD.

Being a Germaphobe Can Be an OCD Symptom
Are your concerns about germs signs of OCD, or are you just a germaphobe? Find out.