Obsessive-compulsive disorder (OCD) is a mental health condition in which an individual experiences frequent, unwanted thoughts and sensations (obsessions) that lead them to perform repetitive behaviors (compulsions).
These repetitive behaviors can significantly interfere with daily activities, responsibilities, and social interactions.
What Causes OCD?
Researchers are not entirely sure what causes OCD, but several factors are believed to contribute to its development:
Genetics: Studies show that people who have a first-degree relative (biological parent or sibling) with OCD are at higher risk of developing the condition.
The risk increases if the relative developed OCD during childhood or adolescence.
Brain Changes: Imaging studies have revealed differences in the frontal cortex and subcortical structures of the brain in individuals with OCD.
The condition is also associated with neurological disorders affecting similar brain areas, including Parkinson’s disease, Tourette’s syndrome, and epilepsy.
PANDAS Syndrome: PANDAS stands for pediatric autoimmune neuropsychiatric disorders associated with streptococcal infections.
It describes conditions affecting children who have had strep infections, such as strep throat or scarlet fever. OCD is one of these associated conditions.
Childhood Trauma: Research has found an association between childhood trauma—such as abuse or neglect—and the development of OCD.
Symptoms of OCD
OCD typically involves both obsessions and compulsions, though some individuals may experience only obsessions or only compulsions.
People with OCD may or may not recognize that their thoughts and behaviors are irrational, yet these symptoms often consume significant time, reduce quality of life, and interfere with daily routines and responsibilities.
Examples of Obsession Symptoms:
Fear of contamination after touching objects handled by others.
Doubts about whether doors are locked or appliances are turned off.
Intense discomfort when objects are not orderly or aligned.
Intrusive images, such as driving into a crowd.
Disturbing thoughts about shouting obscenities or behaving inappropriately in public.
Unwanted sexual images.
Avoiding situations that might trigger obsessions, such as shaking hands.
Examples of Compulsion Symptoms:
Excessive hand-washing until the skin becomes raw.
Repeatedly checking doors to ensure they are locked.
Repeatedly checking appliances, such as the stove, to ensure they are off.
Counting in specific patterns.
Silently repeating prayers, words, or phrases.
Attempting to replace a “bad” thought with a “good” thought.
Arranging items, such as canned goods, to face the same direction.
Diagnosis
There is no single test for OCD. A healthcare provider diagnoses the condition by reviewing symptoms, medical history, and mental health history.
Treatment
The most common treatment plans for OCD include:
Psychotherapy (Talk Therapy)
Cognitive Behavioural Therapy (CBT)
Exposure and Response Prevention (ERP)
Acceptance and Commitment Therapy (ACT)
Meditation and Stress-Reduction Practices
If these treatments are not effective, healthcare providers may recommend medication to manage symptoms.
Although OCD is a chronic condition, therapy and medication can help individuals gain control over symptoms and significantly improve their quality of life.
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