One of the most painful forms of OCD is the kind that attacks the areas of life a person considers deeply important, moral or sacred.

A person may suddenly experience an unwanted sexual thought about a parent, sibling, another family member, a religious figure, God, a child, a friend or somebody else they would never want to think about sexually.

The thought appears—and almost immediately another thought follows:

“Why did I think that?”

“What kind of person thinks something like this?”

“Does this mean I secretly want it?”

“What if this thought says something terrible about me?”

Then guilt begins. Shame begins. Fear begins. The person may feel dirty, immoral, disgusting or frightened by their own mind.

And from that point onward, the person may start fighting the thought.

What is Sexual OCD?

Sexual OCD is a form of obsessive-compulsive disorder in which unwanted sexual thoughts, images, urges or doubts become the focus of obsessive fear.

The content can vary greatly. Some people become distressed by intrusive thoughts involving family members. Others become afraid of thoughts involving religion, inappropriate sexual situations, sexual orientation, children, aggression or other themes that conflict strongly with their values.

The International OCD Foundation recognizes unwanted sexual thoughts and fears of acting on sexual impulses as common forms of OCD obsessions.

The thought feels horrifying because you do not want it

This is one of the most important things to understand.

People with Sexual OCD are often disturbed precisely because the content of the thought conflicts so strongly with what they value.

A thought about a parent may feel unbearable because the relationship is not sexual.

A sexual thought involving God may produce enormous guilt because the person considers God sacred.

A disturbing intrusive image may create fear because it feels completely inconsistent with the person’s moral identity.

The mind then makes a serious mistake:

“If this thought entered my mind, it must reveal something about me.”

That conclusion does not follow.

The mind is capable of producing almost any kind of thought

Many people accept that the mind can generate random thoughts—but only until the thought crosses a boundary they consider unacceptable.

They may think:

“My mind can produce ordinary sexual thoughts, but surely it should never produce a sexual thought about my mother, father, sibling or God.”

But the human mind does not operate according to a moral filtering system in which only appropriate thoughts are permitted to appear.

Thoughts can arise automatically. They can be absurd, offensive, frightening, contradictory, violent, sexual, religious, embarrassing or completely irrelevant.

Almost everyone experiences unwanted thoughts from time to time. OCD becomes a problem when a particular thought is interpreted as highly significant and the person becomes trapped in repeated attempts to resolve it.

Why trying to stop the thought often makes things worse

Once a person becomes frightened by a sexual intrusive thought, the natural reaction is often:

“I must never think this again.”

So the person starts monitoring the mind.

“Am I thinking about it now?”

“Is the thought still there?”

“Why did it come again?”

“Did I feel something when I had the thought?”

But monitoring a thought keeps attention fixed on the very thought the person wants to remove.

The more desperately you try to verify that the thought is gone, the more often you notice whether it is present.

This can create a paradoxical cycle in which attempts to suppress the thought make the person increasingly preoccupied with it.

The Sexual OCD cycle

Common compulsions in Sexual OCD

Sexual OCD is often misunderstood because many compulsions happen entirely inside the mind.

Common compulsions can include:

• Repeatedly analyzing why a sexual thought appeared.
• Trying to prove that the thought does not reflect a real desire.
• Checking bodily sensations for signs of sexual arousal.
• Testing emotional reactions around particular people.
• Repeatedly asking other people whether the thought means something.
• Searching the internet for reassurance.
• Confessing intrusive thoughts repeatedly.
• Mentally reviewing past experiences for evidence.
• Avoiding family members, religious places, children or other triggers.
• Repeating prayers or other mental acts to “cancel” the thought.
• Trying forcefully to suppress the thought.
• Comparing the unwanted thought with thoughts that feel acceptable.

These behaviors may feel as though they are helping you solve the problem.

But if they are repeatedly performed to reduce obsessional anxiety or obtain certainty, they can function as compulsions.

Acceptance does not mean agreeing with the thought

The word acceptance is often misunderstood.

If someone says, “Allow the intrusive thought,” a person with OCD may hear:

“You are telling me to accept that I want the thought.”

That is not what acceptance means.

Acceptance means allowing the mental event to exist without entering into a battle with it.

The thought appears.

You notice it.

You do not need to approve of it.

You do not need to like it.

You do not need to prove that it is false.

You do not need to discover why it appeared.

You allow the thought to be present and continue with what you were doing.

You do not need to feel guilty for an unwanted thought

Guilt makes sense when someone deliberately chooses to do something that conflicts with their values.

An unwanted intrusive thought is different.

The person did not sit down and deliberately decide:

“I want to produce this thought.”

The thought simply appeared.

What often creates suffering is the assumption:

“If my mind produced it, I must be responsible for it.”

OCD can blur the distinction between having a thought and deliberately endorsing that thought.

Learning to restore that distinction is important.

Sexual thoughts about family members

One of the most shame-producing forms of Sexual OCD involves unwanted sexual thoughts about parents, siblings or other relatives.

The person may begin avoiding physical closeness, conversations, photographs or ordinary family interactions because they are afraid the thought will return.

They may continuously test:

“Do I feel attracted?”

“Did I look at them differently?”

“Why did that image enter my mind?”

The repeated checking gives the obsession more importance.

The therapeutic direction is not to obtain an absolute guarantee that no unwanted sexual thought will ever occur again.

It is to stop treating the occurrence of such a thought as a psychological emergency.

Sexual thoughts involving God or religion

For someone who deeply values religion, sexual or blasphemous intrusive thoughts can produce overwhelming guilt.

The person may believe:

“I have disrespected God.”

“I must purify my mind.”

“I must pray again until the thought disappears.”

“I need reassurance that I have not committed a sin.”

When these responses become repetitive attempts to neutralize intrusive thoughts, they may become part of an OCD cycle.

The person then becomes increasingly afraid of the very places, prayers or religious ideas they care about most.

The work is not to eliminate every unwanted thought about religion. It is to stop allowing an involuntary thought to dictate endless guilt, checking, confession or mental neutralization.

You can read more about this in our Religious OCD guide.

Intrusive thoughts are not the same as intention

OCD repeatedly tries to collapse these distinctions.

It asks:

“If I thought it, maybe I wanted it.”

“If I felt anxious about it, perhaps that means something.”

“If I cannot prove with certainty that I would never do it, maybe I am dangerous.”

The search for absolute certainty is where many people become trapped.

Why reassurance is not the long-term answer

A person with Sexual OCD may repeatedly ask:

“Do you think I’m a bad person?”

“Does everyone get thoughts like this?”

“Are you completely sure this means nothing?”

The answer may reduce anxiety for five minutes.

Then OCD produces another question.

“But what if my situation is different?”

“What if I did feel something?”

“What if I secretly liked it?”

This is why repeatedly reassuring OCD rarely gives lasting freedom.

The objective is not to produce a perfect answer to every doubt. It is to change the person’s relationship with doubt itself.

How Sexual OCD is treated

Sexual OCD is treated using the same evidence-based principles used for other forms of OCD.

A central psychological treatment is Cognitive Behavioural Therapy with Exposure and Response Prevention (ERP).

ERP does not mean forcing somebody to approve of disturbing sexual content.

It means learning to face the thoughts, feelings, triggers or uncertainty associated with OCD while reducing the compulsive responses that normally follow.

What ERP may look like in Sexual OCD

ERP is individualized. It should be designed around the person’s actual OCD cycle rather than using a generic exercise for everyone.

Examples may involve:

• Allowing an intrusive thought to be present without mentally correcting it.
• Remaining in ordinary situations that have been avoided because of obsessional fear.
• Reducing reassurance seeking.
• Stopping repeated checking of bodily reactions.
• Allowing uncertainty instead of repeatedly proving what the thought “really means.”
• Reducing confession or mental reviewing when those behaviors function as compulsions.

The purpose is not to make someone comfortable with inappropriate behavior.

The purpose is to teach the person that an unwanted thought, image or feeling does not require a compulsive response.

Do the thoughts need to disappear completely?

No psychological treatment can guarantee that a human mind will never produce another strange, sexual, offensive or disturbing thought.

And that does not need to be the goal.

A much more important change is this:

The thought appears—and it no longer determines your behavior.

You do not spend hours analyzing it.

You do not repeatedly confess it.

You do not avoid people you love.

You do not need reassurance every time it occurs.

You stop giving the thought the power it once had.

Can Sexual OCD get better?

Yes. OCD is treatable, and evidence-based psychological treatment can produce substantial improvement.

The length of time you have experienced intrusive sexual thoughts does not mean the pattern can never change.

Nor does the intensity of the guilt mean that the thought is meaningful.

When the cycle is understood and compulsive responses are systematically reduced, the thought can become less significant and less controlling over time.

A different way to respond to an intrusive sexual thought

Instead of:

“Why did I think this?”

try recognizing:

“A disturbing thought appeared.”

Instead of:

“I must prove that this says nothing about me.”

recognize:

“I do not need to solve this thought.”

Instead of:

“I cannot tolerate this feeling until I know for certain.”

practice:

“I can allow uncertainty to be present without performing the compulsion.”

This is not reassurance.

It is a different psychological response.

The most important thing to understand

You can learn to stop fighting every unwanted thought.

You can reduce the compulsions that keep demanding certainty.

You can stop treating mental noise as evidence about who you are.

And you can begin living according to your values rather than according to OCD’s demands.