Children, Adolescents, and Adults
OCD Treatment in Manchester, NH
“But their room is a mess, how can it be OCD?”
I get this question often, and it points to one of the biggest misunderstandings about this condition. OCD is not about tidiness, and it is rarely about being organized.
It is about intrusive, unwanted thoughts that will not let go, and the exhausting rituals a person feels driven to perform to quiet them, even when they know the rituals do not make logical sense.
That gap between what OCD actually is and what people assume it is often means patients go years without an accurate diagnosis.
Your Care Team
I am Dr. Lionel Pereira, a Board Certified Child and Adolescent Psychiatrist and the founder of Serene Behavioral Healthcare. Our practice evaluates and treats OCD across every stage of life, from young children through adulthood, through a team that includes board-certified nurse practitioners seeing patients in person and via telehealth.
Meet our full team for complete provider bios and credentials.
What We Treat
- Contamination and Cleaning-Related OCD
- Checking and Doubt-Related OCD
- Symmetry and Order-Related OCD
- Intrusive Thought-Based OCD, Including Harm and Taboo Thoughts
- Scrupulosity, or Religious and Moral OCD
- Pediatric OCD, Including Sudden-Onset Presentations
How We Approach OCD Treatment
OCD responds best to a specific combination of treatments, and getting the diagnosis right matters, since OCD is frequently mistaken for generalized anxiety or missed entirely when the compulsions are mental rather than visible.
Our approach typically includes:
Accurate diagnostic evaluation
We assess the specific content of obsessions and compulsions, since OCD can center on contamination, harm, symmetry, intrusive taboo thoughts, religious or moral scrupulosity, or many other themes that are not always obvious to family members.
Medication management
SSRIs are a first-line medication treatment for OCD, often at higher doses than are typically used for depression or anxiety. We manage dosing carefully and explain why that difference matters.
Coordination with ERP-trained therapists
Exposure and Response Prevention, known as ERP, is the gold-standard therapy for OCD. We coordinate closely with therapists trained specifically in ERP, since this specialized approach works best delivered by someone with dedicated training in it.
Screening for sudden-onset pediatric OCD
In rare cases, OCD symptoms in children can appear abruptly following an infection, a pattern sometimes referred to as PANDAS or PANS. We screen for this presentation when a child's symptoms appear suddenly and severely.
Family guidance
Family members often unknowingly participate in a child's compulsions through reassurance-seeking. We help families understand how to support treatment instead of unintentionally reinforcing the cycle.
Ongoing follow-up
OCD symptoms can shift in theme and intensity over time. We reassess regularly and adjust the treatment plan as needed.
Signs and Symptoms of OCD
OCD can be visible or entirely internal, which is part of why it is so often missed or misunderstood.

In young children, I often see:
- Repetitive rituals like handwashing, checking, or arranging objects a specific way
- Intense distress when a ritual is interrupted or cannot be completed
- Frequent reassurance-seeking from parents about the same worry
- In sudden-onset cases, symptoms that appear rapidly and severely over days rather than developing gradually

In adolescents, common signs include:
- Visible rituals, but also hidden mental compulsions like silently repeating phrases or counting
- Excessive time spent on routines like showering, homework checking, or getting ready
- Avoidance of specific objects, places, or situations tied to an obsession
- Distress about intrusive thoughts they may be embarrassed or afraid to share, especially violent or taboo-themed thoughts

In adults, OCD often presents as:
- Obsessions and compulsions that have been present for years, sometimes mistaken for personality traits or just being "a worrier"
- Significant time lost each day to rituals, often an hour or more
- Avoidance behaviors that have quietly shrunk a person's life, such as avoiding certain jobs, relationships, or responsibilities
- Scrupulosity, involving persistent fears around morality, religion, or harming others, which patients often feel too ashamed to bring up unprompted
If these patterns sound familiar, whether in yourself or your child, an accurate evaluation can be the first step toward real relief rather than years of managing it alone.
Why Patients Choose Serene Behavioral Healthcare
Patients and families come to us because OCD is frequently misdiagnosed or misunderstood, and getting it right the first time matters.
Here is what sets our care apart:
- Board certified providers with specialized training across the full age spectrum, from early childhood through adulthood
- Familiarity with the full range of OCD presentations, not just the visible, stereotypical ones
- Coordinated care with ERP-trained therapists for the specific therapy that works best for OCD
- Both in-person and telehealth options, so care fits your schedule and location
- A nonjudgmental space where patients can disclose intrusive thoughts without fear or shame
Frequently Asked Questions
No. Disturbing intrusive thoughts, including violent or taboo ones, are actually a very common form of OCD, and having them does not mean a child wants to act on them or is a danger to anyone. In fact, the intense distress these thoughts cause is itself a hallmark of OCD, since the thoughts are the opposite of what the person actually wants. This is one of the most important things we can help families understand.
No. Liking order or being detail-oriented is a personality trait, not a disorder. OCD involves genuine, often extreme distress, time-consuming rituals, and significant interference with daily life. The difference is not preference, it is the presence of obsessive fear driving compulsive behavior that the person often recognizes as excessive but cannot stop.
Exposure and Response Prevention is a specific form of cognitive behavioral therapy that gradually helps a person face feared thoughts or situations without performing the usual compulsion. It is considered the most effective therapy for OCD, and it works differently than general talk therapy, which is why matching a patient with a therapist trained specifically in ERP makes a real difference.
OCD often requires higher SSRI doses to achieve full symptom control compared to the doses typically used for generalized anxiety or depression. We start conservatively and titrate carefully, explaining each step so patients and families understand why the dose may be higher than they expected.
In most cases, OCD develops gradually, but in rarer cases, children can experience a sudden, severe onset of OCD symptoms, sometimes linked to a preceding infection. This pattern is worth mentioning to your provider if symptoms appeared abruptly, so it can be properly evaluated.
Schedule an OCD Evaluation
If intrusive thoughts or compulsions are taking up more and more of your life, or your child’s, you do not have to manage it alone. Our team is here to help you get an accurate diagnosis and a treatment plan that actually works.
Book an Appointment or Contact Our Office to get started.
Serene Behavioral Healthcare, 1045 Elm St, Suite 204, Manchester, NH 03101
