Intrusive Thoughts
Are unwanted thoughts making you question yourself or worry about what they mean?
Intrusive thoughts can be frightening and disturbing. They feel completely out of your control, repeating again and again and leaving you questioning why you’re having them and what they might mean. They include unwanted thoughts or images about harming people, inappropriate sexual thoughts or acts, religious or blasphemous thoughts, fears of losing control, relationships, or doing something that goes completely against your values.
You might find yourself asking
Why would I think something like that? What if the thought means something about me? What if I secretly wanted it? What if I lose control and actually do it?
If this sounds familiar, it’s reassuring to know that:
Having intrusive thoughts does not mean you want them. They are not fantasies. People experiencing these unwanted thoughts often find them frightening, disturbing or even repulsive.
Intrusive thoughts are involuntary; they are not wishes or intentions. Importantly, there is no documented evidence of people with OCD acting on the violent or sexual acts they fear in their intrusive thoughts.
Intrusive thoughts latch onto the things you care about most; this is why they are so upsetting and completely at odds with who you are and your values.
Most importantly, recovery is possible, and we can help
— intrusive thoughts don’t have to take over your life
Get help with intrusive thoughts
We specialise in helping people with intrusive thoughts, overthinking and OCD.
People often struggle to talk about their intrusive thoughts because they can feel embarrassed or frightened of being judged. The good news is, you don’t need to explain your thoughts to us. We don’t need to know what they are to help — in fact, discussing and analysing their content is unhelpful.

Rob Sanderson HPD DSFH SF Sup (Hyp)
and Lou Harris BSc (Hons) HPD SFHD
Registered members of the NCH
CNHC Registered. Current DBS Certificates
What are intrusive thoughts?
Intrusive thoughts are unwanted thoughts, images or impulses that enter your mind without invitation.
Everyone experiences strange or unwanted thoughts from time to time. Most people barely notice them. A thought appears, they dismiss it as meaningless, and their attention moves on. But when a thought frightens you, it can suddenly feel important. Instead of dismissing it, you might start questioning why you had it, what it means and whether it says something about you.
The thought itself may have lasted only a moment, but the worry and ruminating about it can continue for hours, days or even longer.
The intrusive thoughts cycle
The problem isn’t simply having an unwanted thought. It’s what happens when the thought is interpreted as dangerous or meaningful.
A thought enters your mind and triggers anxiety. You then try to understand it, challenge it, get rid of it or reassure yourself that it doesn’t mean anything. For a little while, you might feel better.
But your brain has learned that this particular thought is important enough to require attention. When it appears again, the anxiety returns, and you feel compelled to respond to it again. The more attention you give the thought, the more important it can begin to feel. This is how intrusive thoughts can develop into a repetitive, exhausting cycle.
Mental compulsions: the part of OCD other people can’t see
When people hear the word OCD, they often imagine visible behaviours such as repeatedly checking locks or washing their hands. But many compulsions happen entirely inside your head, you might:
Analyse a thought repeatedly, trying to understand what it means.
Check whether you really wanted the thought or felt something when it appeared.
Mentally replay events or conversations.
Try to prove to yourself that you’re a good person.
Reassure yourself that you would never act on the thought.
Replace a frightening thought with a more acceptable one.
Repeat particular words, phrases or prayers to neutralise a thought.
Avoid people, places or situations that might trigger the thoughts.
These responses are understandable. You’re trying to make yourself feel safe and reduce your anxiety.
Unfortunately, they can also keep the cycle going.
Why reassurance only works temporarily
Imagine experiencing the thought: What if I hurt someone? You become frightened and start analysing it.
Eventually, you convince yourself: Of course I wouldn’t. That’s ridiculous. Your anxiety reduces, and for a while you feel better. But your brain has potentially learned something important: That thought was dangerous enough that I had to investigate it before I could feel safe. So when the thought returns, the alarm goes off again. And you analyse it again.
This is why repeatedly reassuring yourself can become part of the problem. It provides temporary relief while reinforcing the idea that the thought requires an answer. The aim isn’t to find a better answer to every frightening question. It’s to reach the point where you no longer need to answer it.
Why do intrusive thoughts feel so real?
When you’re anxious, your attention naturally becomes more focused on potential threats. You become more alert and start noticing things you might otherwise ignore. If you’ve become frightened of a particular thought, you may begin monitoring your mind for it. Am I thinking it again? Why did that thought appear? How did I feel when I thought it? What does my reaction mean?
The more closely you monitor something, the more you notice it. This can make intrusive thoughts seem louder, more frequent and increasingly important. I often describe this as your brain’s danger alarm being turned up too high. The thought feels threatening because your alarm system is reacting to it. That doesn’t make the thought true.
Why trying to stop the thoughts can make things worse
When a thought frightens you, it’s natural to try to push it away. But trying not to think about something creates a problem: to check that you’re not thinking about it, your mind has to keep monitoring for the very thought you’re trying to avoid. And so you notice it again. You might then become frustrated: Why am I STILL thinking this?
The fact that the thought keeps returning can make it seem even more significant. The harder you fight it, the more attention you may end up giving it. The goal isn’t to control every thought that enters your mind. It’s to change how you respond to those thoughts so they lose their power over you.
But what if my thoughts are different?
This is a particularly common concern. People often accept that other people’s intrusive thoughts might be harmless but believe that their own thoughts somehow mean something more. Perhaps yours feel especially vivid. Perhaps you experienced a physical sensation alongside the thought. Perhaps you’re uncertain how you felt when it happened. Perhaps you’ve remembered something from years ago and are now questioning what it meant.
Or perhaps your mind keeps producing another question:
Yes, but what if…? Every time you answer one question, another can appear. Trying to achieve absolute certainty can become part of the cycle itself.
Intrusive thoughts and OCD
Not everyone experiencing intrusive thoughts realises that what they’re going through may be connected with Obsessive Compulsive Disorder (OCD). They may simply know that they’re having frightening thoughts they can’t seem to get out of their head. OCD isn’t defined simply by having unwanted thoughts. The important part is the pattern that develops around them.
When a thought becomes associated with danger, anxiety or uncertainty, the person may respond with checking, analysing, reassurance, avoidance or other compulsions. These responses can provide temporary relief while keeping the cycle going. Understanding that pattern is important because it’s something we can work on changing.
How we can help with intrusive thoughts
Our approach begins with helping you understand why these thoughts have become so powerful, how anxiety keeps the cycle going and what you can do differently.
We work with you to reduce the anxiety surrounding the thoughts, break the patterns of constant checking and analysis, and develop a different response to the thoughts when they appear.
Hypnotherapy is part of our approach, helping you experience deep relaxation and supporting the changes you’re working towards. You don’t need to control every thought, find an answer to every question or achieve absolute certainty before you can move forward. And you don’t need to explain the content of every intrusive thought for us to help you. We focus on understanding the pattern, not judging the thoughts.
What can change?
Imagine a frightening thought entering your mind without needing to investigate it. Imagine being able to carry on with your day instead of spending hours analysing what it means. Imagine feeling calmer, more confident and less controlled by the thoughts that have been troubling you. That’s the kind of change we’re working towards.
The thoughts may become less frequent, they may simply stop feeling so important. Either way, the aim is for them to have less and less influence over your life.
Recovery isn’t about winning an argument with every intrusive thought. It’s about reaching the point where you no longer need the argument.
Get help with intrusive thoughts
If intrusive thoughts are leaving you frightened, exhausted or trapped in constant checking and analysis, you don’t have to keep struggling with them on your own. We understand how convincing these thoughts can feel, and we can help you begin changing the way you respond to them. Intrusive thoughts don’t have to take over your life.
Get in touch to find out how we can help.

Rob Sanderson HPD DSFH SF Sup (Hyp)
Lou Harris BSc (Hons) HPD SFHD