Wellness

Intrusive Thoughts: 5 Types of Intrusive Thoughts

Written by MasterClass

Last updated: Jul 22, 2022 • 4 min read

Content Note: This article might contain references to sensitive information, such as mental health topics, violence, and body image.

Intrusive thoughts are unexpected or distressing thoughts that crop up suddenly. Read on to learn more about these unwanted, intrusive thoughts.

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What Are Intrusive Thoughts?

Intrusive thoughts are sudden, unwanted mental ideas, words, or images that pop into your consciousness. These random thoughts are often unexpected and, in some cases, disturbing.

Many people experience these negative thoughts occasionally. But some cannot dismiss the ideas and might experience them repeatedly; this could signal a mental health condition, such as anxiety, obsessive-compulsive disorder, and post-traumatic stress disorder. If you have recurring intrusive thoughts, consult a mental health professional for a proper diagnosis.

5 Types of Intrusive Thoughts

People may experience several types of unwanted thoughts. A few categories of intrusive thoughts include:

  1. 1. Aggression: Thoughts of aggression are a common form of intrusive thinking. Such thoughts might include a person thinking about attacking someone they love but have no genuine desire to harm.
  2. 2. Health: Some people experience intrusive thoughts about their health or the health of loved ones or acquaintances. These intrusive thoughts may involve the possibility of a specific health issue, like cancer or infection, or a sense that something is deeply wrong with their mind or body, despite having no evidence.
  3. 3. Religion: Religious people may have intrusive thoughts directly in opposition to their religious beliefs. These intrusive thoughts, also known as blasphemous thoughts, involve imagining a disrespectful action damaging their or another person’s practice of faith.
  4. 4. Sex: Intrusive sexual thoughts may involve taboo or disturbing sexual acts with inappropriate people or objects.
  5. 5. Social taboos: Some intrusive thoughts take the form of social taboos. You might imagine shouting obscenities on a crowded train, stripping naked, or pouring your drink on someone’s head for no reason.

What Causes Intrusive Thoughts?

There is no consensus in the scientific community about the cause of intrusive thoughts, but several theories about their origin exist, including:

  1. 1. Excess mental activity: Some researchers equate intrusive thoughts with mental detritus—meaningless scraps of ideas and images that mostly go unnoticed. When an intrusive thought is particularly bizarre or alarming, you are more likely to latch on to it and wonder where it came from and what it means.
  2. 2. Repression: Psychoanalytic theories posit that people repress some desires, especially socially unacceptable ones. Intrusive thoughts might arise from the unconscious mind working through desires and ideas that have no external outlet in a person’s life.
  3. 3. Stress: Intrusive thoughts are more likely to happen and become a problem for people experiencing life stress. Work stress, relationship worries, and significant life events can trigger instructive thoughts.

3 Ways to Approach Intrusive Thoughts

If you’re dealing with unwanted intrusive thoughts that cause distress and affect your well-being, a mental health professional may recommend these treatment options:

  1. 1. Cognitive behavioral therapy: Cognitive behavioral therapy (CBT) is a therapeutic intervention for many mental health disorders, including intrusive thoughts. By learning how to notice and detach from your thoughts, you can learn how to cope with them, lessening their occurrence and severity.
  2. 2. Exposure and response prevention: ERP is a subtype of CBT that focuses on letting a person experience their intrusive thoughts without trying to control them. In a controlled setting, with the guidance of a therapist, ERT can allow a person to face fears and discomfort. ERT can lessen the severity of intrusive thoughts.
  3. 3. Medication: Mental health professionals generally prescribe medication in addition to therapy. Antidepressants, including selective serotonin reuptake inhibitors (SSRIs), can help treat people experiencing intrusive thoughts.

Intrusive Thoughts and Mental Health

Experiencing intrusive thoughts does not automatically mean you have a mental health condition. However, if you have persistent intrusive thoughts that disrupt your daily life and wellness, reach out to a medical professional for help as it might indicate a more serious condition, such as:

  1. 1. Anxiety disorder: People with an anxiety disorder may experience frequent and severe intrusive thoughts. These thoughts can have a compounding effect and lead to more anxiety.
  2. 2. Depression: A person experiencing depression might repeatedly think about unpleasant ideas or events, known as rumination.
  3. 3. Obsessive-compulsive disorder: OCD is a mental health condition involving repetitive and disruptive impulses and urges that can affect a person’s quality of life. Obsessive thoughts can be a type of repetitive behavior. Usually, the more a person tries to block or correct their obsessive behaviors, the more powerful and upsetting they become.
  4. 4. Post-traumatic stress disorder: PTSD is another mental health condition that can involve intrusive thoughts. Often, these take the form of sudden, vivid memories of the traumatic events, called flashbacks. These memories can be very frightening and debilitating.

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