ocd.md Blog
Evidence-based articles about OCD, reviewed by our editorial team.
Types of OCD: The Subtypes Most People Don't Know About
OCD goes far beyond handwashing. Learn about harm OCD, relationship OCD, pure O, and other subtypes that often go undiagnosed.
ERP Therapy for OCD: What to Expect and Why It Works
Exposure and Response Prevention is the gold standard OCD treatment with 60-80% response rates. Here's what sessions actually look like.
OCD vs Anxiety: How to Tell the Difference When Symptoms Overlap
OCD and anxiety share worry and distress but differ in key ways. Learn the diagnostic distinctions that affect treatment choice.
Contamination OCD: When Cleaning and Washing Become Compulsions
Contamination OCD drives excessive washing, avoidance, and decontamination rituals. Learn the signs and how ERP treatment breaks the cycle.
OCD in Children: Signs, Symptoms, and How Parents Can Help
OCD affects 1-2% of children and often looks like perfectionism, meltdowns, or bathroom rituals. Early ERP treatment prevents years of suffering.
Pure O OCD: The Invisible Type Most People Don't Know About
Pure O OCD involves relentless intrusive thoughts without visible rituals. Learn the hidden symptoms, why it's misunderstood, and how treatment works.
Intrusive Thoughts vs. OCD: When Normal Worry Becomes a Disorder
Everyone has intrusive thoughts. But when do they cross the line into OCD? Learn the key differences between normal intrusive thoughts and obsessive-compulsive disorder.
Pure O OCD: The Invisible Type Most People Don't Know About
Pure O OCD looks like nothing from the outside — but inside, it's a relentless storm of intrusive thoughts and hidden mental rituals that most people never recognize.
Harm OCD: Why Violent Intrusive Thoughts Don't Make You Dangerous
Harm OCD fills your mind with terrifying thoughts about hurting people you love. Here's the truth: those thoughts mean you're scared, not dangerous.
Relationship OCD (ROCD): When Doubt Takes Over Your Love Life
ROCD turns normal relationship uncertainty into a relentless interrogation of your love. It's not cold feet — it's OCD targeting what matters most.
Why Does Reassurance Make OCD Worse?
Reassurance relieves OCD anxiety for minutes and strengthens it for years. Here is the mechanism, what family accommodation research shows, and what to say instead.
How Long Does ERP Therapy Take to Work?
A standard ERP course runs 12 to 20 sessions with an average 60% reduction in symptoms. Most people notice the first shift in 3 to 6 weeks. Here is the realistic timeline and what makes it faster or slower.
Can OCD Go Away on Its Own Without Treatment?
Adult OCD rarely remits without treatment: a 40-year follow-up found only 20% recovered completely. Children do better, and in every study a shorter delay to treatment predicted a better course.
Is OCD Genetic? What Twin and Family Studies Show
Partly. Twin studies put OCD heritability near 47%, and 10% to 20% of children with an affected parent develop it. No single gene is to blame. Here is the data.
What Is the Difference Between OCD and OCPD?
OCD is an anxiety-driven disorder people hate having. OCPD is a personality style people defend. OCD affects 1.2% of adults yearly; OCPD about 6.5% to 7.8%.
Why Do SSRIs for OCD Need Higher Doses Than for Depression?
FDA labels cap paroxetine at 50 mg per day for depression and 60 mg for OCD. Here is what the labels and dose-response trials really show about SSRI dosing.
How Do Family Members Accidentally Make OCD Worse?
Family accommodation shows up in 60 to 97 percent of OCD households and predicts worse treatment outcomes. Here is why helping backfires and what to do instead.
What Is 'Just Right' OCD and Symmetry OCD?
'Just right' OCD is driven by a sense of incompleteness, not fear. Over 50% of people with OCD have it. Learn how it differs from OCPD and tics, and how ERP helps.
Can OCD Cause Physical Symptoms?
Yes. OCD can cause a racing heart, muscle tension, skin damage from washing, and poor sleep. Up to 30% have tics. Learn when symptoms need a medical check.
What Is Checking OCD and How Do You Stop Checking?
Checking is the most common OCD compulsion, reported by 79.3% of people with OCD. Learn why repeated checks increase doubt and how ERP helps you stop.
What Is Postpartum OCD?
Postpartum OCD brings unwanted harm thoughts about the baby. About 7% of new mothers meet OCD criteria after birth, and the thoughts do not predict harm.
What Is Scrupulosity OCD?
Scrupulosity is OCD focused on sin, morality, and religious doubt. Studies find it in 5% to 33% of OCD patients, and it responds to ERP and SSRIs.
What Is False Memory OCD?
False memory OCD is a lay term, not a DSM diagnosis, for OCD centered on doubt about past acts. Checking erodes memory confidence more than accuracy.
Can You Have OCD and ADHD at the Same Time?
Yes. OCD and ADHD can co-occur, most often in kids. Reported rates range from 0% to 60%. See how obsessions can mimic ADHD and how both conditions are treated.
How Are OCD and Autism Connected?
About 9% of autistic people have OCD, versus roughly 2% of everyone. How to tell autistic routines from OCD compulsions, and how ERP and SSRIs are adapted.
Is Hoarding Disorder a Type of OCD?
No. Hoarding disorder became a separate diagnosis in DSM-5 in 2013. Only 18% of people with hoarding disorder also have OCD, and the treatment is different.
How Is Body Dysmorphic Disorder Related to OCD?
BDD is a separate diagnosis in the same DSM-5 chapter as OCD. About 27.5% of people with BDD also have OCD. See how the two differ and how BDD is treated.
Does TMS Work for OCD?
In the pivotal trial, 38.1% of adults with OCD responded to deep TMS versus 11.1% with sham. See who it suits, what a course involves, and the risks.