Written by: THE BALANCE
Medically reviewed by Dr. Sarah Boss, MD
Last updated: January 19, 2026
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Quick Summary
  • Somatic delusions are a type of delusion that involves false beliefs about the body and physical health.
  • Somatic delusions can occur as part of a delusional disorder or as a symptom of another mental health condition.
  • Bizarre somatic delusions involve false beliefs that are implausible and not reality-based.
Reading time: 11 min

Somatic delusions are a form of mental illness that affects a person’s ability to perceive their own body accurately. Individuals with somatic delusions often experience intense and persistent beliefs about their health, body, or bodily functions, which are not based on medical evidence or reality. These delusions can be extremely distressing, causing significant impairment in their daily functioning and overall quality of life. 

According to the National Alliance on Mental Illness (NAMI), somatic delusions affect approximately 0.2% of the general population, and the onset is typically in middle age or later. Despite their rarity, somatic delusions can have a significant impact on those affected and their loved ones. 

Read on as we explore the causes, symptoms, and treatment options for somatic delusions, as well as strategies for coping with this challenging mental health condition.

Somatic delusions are a type of delusion that involves false beliefs about the body and physical health. Somatic delusions can occur as part of a delusional disorder or as a symptom of another mental health condition. These delusions can be either bizarre or non-bizarre.

Bizarre somatic delusions involve false beliefs that are implausible and not reality-based. For example, a person may believe that their organs have been replaced with someone else’s or that they have a rare disease that no one else has ever heard of [1].

Non-bizarre somatic delusions, on the other hand, involve false beliefs that could potentially be true but are unlikely. For example, a person may believe they have a serious illness, even though medical tests show they are healthy [2].

What Does Somatic Mean In Psychology?

Before we dive deep into somatic delusions, let’s define what “somatic” means in psychology. Somatic refers to the body and its physical sensations. 

In psychology, somatic symptoms are physical symptoms that are associated with psychological distress or disorders [2]. Somatic delusions, therefore, are delusions that involve false beliefs about physical health and bodily functions.

How Do Somatic Delusions Occur?

The mechanisms of somatic delusions are not fully understood, but researchers believe that they may be related to abnormalities in the brain’s processing of sensory information, as well as cognitive and emotional factors.

Studies have shown that individuals with somatic delusions have altered brain activity in areas that process sensory information, such as the insula and somatosensory cortex. This suggests that these individuals may have difficulty interpreting and integrating bodily sensations, leading to distorted perceptions of their physical health.

Cognitive and emotional factors may also play a role in the development of somatic delusions. For example, individuals with high levels of anxiety or depression may be more likely to experience somatic symptoms and develop somatic delusions. Additionally, individuals with a history of trauma or abuse may be more likely to develop somatic delusions as a way to cope with their emotional distress.

Overall, the mechanisms of somatic delusions are complex and likely involve a combination of biological, cognitive, and emotional factors. Further research is needed to better understand these mechanisms and develop more effective treatments for individuals with somatic delusions.

Who Is At Risk Of Getting Somatic Delusions?

Somatic delusions can affect anyone, but some individuals may be at higher risk than others. Individuals with a family history of delusional disorder or other mental health conditions may be at increased risk. 

Somatic delusions are also more common in older adults. This may be due to age-related changes in the brain or the onset of age-related medical conditions [3].

Additionally, individuals who have experienced trauma or abuse may be more likely to develop somatic delusions [4].

It can be difficult to spot someone with a somatic delusional disorder, as individuals with somatic delusions often appear to function well in other areas of their lives. However, there are some signs and symptoms to look out for that may indicate somatic delusions.

Excessive Concern About Health: Individuals with somatic delusions may be excessively concerned about their health, even if they have no physical symptoms or illnesses. They may obsessively research illnesses or medical conditions and believe that they have the same symptoms.

Preoccupation with Bodily Sensations: Individuals with somatic delusions may be preoccupied with bodily sensations and believe that they are experiencing physical symptoms that are not present. For example, they may believe they have a parasite in their body or their organs are not functioning properly.

Refusal of Medical Treatment: Individuals with somatic delusions may refuse medical treatment, even when it is recommended by doctors or other healthcare professionals. They may believe that the treatment is unnecessary or that it will make their condition worse [5].

Excessive Doctor Visits: Individuals with somatic delusions may visit doctors or other healthcare professionals frequently, seeking reassurance that they are not seriously ill. They may become upset or angry if they are not given the attention they believe they need.

Complaints About Doctors: Individuals with somatic delusions may complain about doctors or other healthcare professionals, believing that they are not taking their symptoms seriously or that they are not providing the right treatment.

Belief in Conspiracy Theories: Individuals with somatic delusions may believe in conspiracy theories related to their health, such as believing that doctors are trying to harm them or that there is a cover-up of a disease outbreak.

Social Isolation: Individuals with somatic delusions may become socially isolated due to their preoccupation with their health and their reluctance to engage in activities that may exacerbate their perceived physical symptoms.

Relationship Problems: Individuals with somatic delusions may experience problems in their relationships, as their preoccupation with their health can cause strain on their interactions with others.

Anxiety and Depression: Individuals with somatic delusions may experience anxiety and depression due to their preoccupation with their health and the distress caused by their false beliefs.

Psychotic Symptoms: In severe cases, individuals with somatic delusions may experience psychotic symptoms such as somatic hallucinations, which involve perceiving physical sensations that are not present. [2]

It is important to note that somatic delusions can occur in other mental health conditions, such as schizophrenia or somatic symptom disorder. Somatic delusions in schizophrenia may be accompanied by other symptoms such as hallucinations and disorganized thinking. In somatic symptom disorder, individuals may experience physical symptoms that are not fully explained by a medical condition and become preoccupied with them. [1]

Somatic delusions can take on many different forms, but they all share a common thread: a person’s belief that they have a serious physical illness or abnormality despite medical evidence to the contrary. Here are five examples of somatic delusions that individuals with somatic delusional disorder may experience:

Believing that one’s body is infested with parasites: A person with somatic delusional disorder may believe that their skin is crawling with tiny insects or other organisms that are invisible to others. Despite medical evidence to the contrary, they may insist on scrubbing their skin raw or seeking medical treatment for non-existent bites or rashes.

Believing that one’s body parts are defective: Individuals with somatic delusional disorder may believe that certain body parts are malformed or defective, even if there is no evidence to support this belief. They may seek out cosmetic surgery or other medical procedures to “correct” the perceived abnormality.

Believing that one has a life-threatening illness: Individuals with somatic delusional disorder may believe that they have a serious medical condition, such as cancer or HIV, despite repeated negative test results. They may seek out unnecessary medical treatments or refuse to engage in activities that they believe will exacerbate their illness.

Believing that one’s body is emitting odors: Some individuals with somatic delusional disorder may believe that they emit foul odors that are not detectable by others. They may take extreme measures to try to eliminate these odors, such as bathing excessively or using strong perfumes or deodorants.

Believing that one’s body is deteriorating: Individuals with somatic delusional disorder may believe that their body is gradually deteriorating, even if there is no medical evidence to support this belief. They may become obsessed with maintaining a certain weight or body shape or may avoid certain foods or activities that they believe will worsen their condition.

Somatic delusions can sometimes be so intense that they interfere with the person’s ability to function in their daily life. Fortunately, there are effective treatments available for somatic delusional disorder. Here we will discuss the five most effective treatment options for this condition.

Psychodynamic therapy

Psychodynamic therapy is a form of talk therapy that focuses on exploring unconscious emotions and past experiences that may be contributing to physical symptoms. 

By identifying and addressing underlying emotional conflicts, individuals can reduce anxiety and improve their ability to cope with physical symptoms [6].

Graded exposure therapy

Graded exposure therapy is behavioral therapy that involves gradually exposing individuals to situations or activities that they fear. In the context of somatic symptom disorder, this might involve gradually exposing individuals to physical activities that they have been avoiding due to fear of exacerbating their symptoms [7]. 

By gradually increasing exposure, individuals can learn to tolerate physical discomfort and build confidence in their ability to manage their symptoms.

Mindfulness-based interventions

Mindfulness-based interventions such as meditation and yoga can help reduce stress and improve mental health. 

These interventions can also help individuals with somatic delusional disorder become more aware of their thoughts and emotions [7]. By practicing mindfulness, individuals can learn to recognize and challenge negative thoughts and beliefs.

Antipsychotic medication

Antipsychotic medication is often the first line of treatment for the somatic delusional disorder [6]. These medications work by altering brain chemistry and reducing symptoms such as hallucinations and delusions. 

Typical antipsychotics such as haloperidol and atypical antipsychotics such as olanzapine and risperidone are effective in reducing the severity of somatic delusions [2, 7]. It is important to note that medication should always be taken under the supervision of a healthcare professional, as side effects may occur.

Cognitive-behavioral therapy (CBT)

Cognitive-behavioral therapy is a type of talk therapy that focuses on changing negative thought patterns and behaviors [7]. 

In treating somatic delusional disorder, CBT can help individuals identify and challenge their delusional beliefs. By working with a therapist, individuals can learn coping strategies and develop more realistic beliefs about their bodies and health [4].

Dealing with somatic delusions can be a challenging and complex task, but there are strategies and methods that you can try to cope with these delusions. Here are five tips that you can use to help you manage somatic delusions:

Practice Relaxation Techniques

Practicing relaxation techniques can help you reduce stress and anxiety associated with somatic delusions. Deep breathing, progressive muscle relaxation, and meditation can help you manage your symptoms and increase your sense of control over your thoughts and feelings.

Challenge Negative Thoughts

Somatic delusions can cause negative thoughts that can lead to anxiety and depression. One strategy for coping with these negative thoughts is to challenge them. Try to evaluate the evidence that supports your negative thoughts and consider alternative explanations. Talking to a therapist can also help you challenge negative thoughts.

Engage in Physical Activities 

Regular physical activities can help you manage somatic delusions by reducing stress and anxiety. Exercise can also boost your mood, improve your sleep quality, and increase your sense of control over your body. Try to find activities that you enjoy, such as walking, swimming, or yoga.

Build a Support Network

Having a strong support network can help you cope with somatic delusions. It is important to have people around you who can provide emotional support and offer practical help when needed. You can join a support group or talk to family and friends about your experiences.

Seek Professional Help

If you are experiencing somatic delusions, it is important to seek help from a qualified healthcare professional. A psychiatrist or psychologist can help you understand your delusions and provide effective treatment options. They can also help you identify any underlying issues that may be contributing to your somatic delusions.

Somatic delusions can have a profound impact on an individual’s life, leading to significant distress and impairment in daily functioning. It is important to recognize the signs and symptoms of somatic delusions and seek professional help to ensure timely and effective treatment. 

With a combination of therapy, medication, and self-care strategies, individuals with somatic delusions can manage their symptoms and improve their quality of life. The road to recovery may not be easy, but with patience, persistence, and support, it is possible to regain a sense of control over one’s thoughts and emotions. 

Remember, seeking help is not a sign of weakness, but rather a courageous step towards healing and well-being.

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