anxiety and nausea

Stomach problems, such as nausea and diarrhea, are among the most common symptoms of stress and anxiety. An underlying factor behind this occurrence could be an disruption in the composition of gut microorganisms caused by the release of fight-or-flight hormones.

Anxiety is a natural physiological reaction triggered by potential threats or peril. Nevertheless, certain individuals experience recurring and overpowering episodes of anxiety.

Within this article, we delineate the concept of anxiety and its potential connection to feelings of nausea. Additionally, we provide a range of uncomplicated coping techniques that individuals dealing with anxiety can explore, along with guidance on when it is advisable to seek medical assistance.

Can anxiety cause nausea and how?

Anxiety encompasses feelings of fear, apprehension, or unease that can arise due to stress or the perception of danger.

When an individual experiences anxiety, their brain releases neurotransmitters, chemical messengers that heighten the body’s state of alertness. This physiological process readies the body for a “fight or flight” response in the face of a perceived threat.

Some of these neurotransmitters make their way into the digestive tract, where they can disrupt the delicate balance of microorganisms residing in the gut, known as the gut microbiome. Imbalances in the gut microbiome have the potential to induce feelings of nausea.

Furthermore, anxiety can manifest in other gastrointestinal symptoms, including indigestion, stomach cramps, diarrhea, constipation, changes in appetite, such as loss or excessive hunger, and conditions like irritable bowel syndrome (IBS) or peptic ulcers.

While anxiety often affects the digestive system, it can also cause symptoms unrelated to the gut, such as rapid or heavy breathing, accelerated heartbeat, muscle tension, dizziness, and increased frequency of urination.

Anxiety disorders that may cause nausea

A certain level of anxiety is a normal response to uncertainty and danger. However, there are individuals who experience anxiety so frequently that it significantly disrupts their daily lives. Such individuals may be diagnosed with an anxiety disorder.

Anxiety disorders come in various forms, and each type can give rise to symptoms like nausea and other gastrointestinal issues. Here are a few examples:

  1. Generalized anxiety disorder (GAD): This involves persistent and excessive worry about various aspects of life, such as health, safety, or finances, lasting for at least six months or more.
  2. Phobias: Phobias are characterized by an irrational fear of a specific object, situation, or creature, such as spiders or enclosed spaces.
  3. Social anxiety disorder: People with social anxiety disorder experience overwhelming self-consciousness and intense anxiety in social situations. The fear of being watched or judged can exacerbate their symptoms.
  4. Post-traumatic stress disorder (PTSD): PTSD can develop following a traumatic experience, and it can lead to a range of symptoms. These may include vivid nightmares, flashbacks, or distressing memories. Other common symptoms include difficulty sleeping, trouble concentrating, outbursts of anger, and emotional withdrawal.
  5. Obsessive-compulsive disorder (OCD): OCD involves persistent, intrusive thoughts (obsessions) and repetitive behaviors or rituals (compulsions). A common manifestation of OCD is a fear of contamination, which often leads to compulsive handwashing.
  6. Panic disorder: Individuals with panic disorder experience recurrent, unprovoked episodes of intense fear or a sense of impending doom. Additional symptoms may include a rapid heartbeat, sweating, dizziness, and weakness.

It is important to note that anxiety disorders can vary in their specific symptoms and severity. If you or someone you know is experiencing persistent anxiety or related symptoms, it is advisable to seek professional help for an accurate diagnosis and appropriate treatment.

Treatments and coping methods

In the majority of cases, anxiety is a normal and expected response to stress, threats, or danger, and it does not typically warrant concern.

The Anxiety and Depression Association of America (ADAA) provides several recommendations for effectively managing everyday stress and anxiety. These include:

  1. Taking time to relax: Engaging in activities like yoga, meditation, or listening to music can assist in reducing stress levels.
  2. Cultivating a positive attitude: Practicing the replacement of negative thoughts with positive ones can contribute to a more optimistic mindset.
  3. Prioritizing sufficient sleep: The body requires additional rest during times of stress, so ensuring an adequate amount of sleep is crucial.
  4. Engaging in regular exercise: Daily exercise releases endorphins, which are chemicals that promote relaxation and uplift mood. Exercise can also aid in promoting better sleep.
  5. Limiting caffeine and alcohol consumption: These substances can exacerbate anxiety and may even trigger panic attacks in certain individuals.
  6. Seeking support from others: Talking to a trusted friend or family member about one’s anxiety can be helpful in alleviating its impact.

The ADAA also suggests a breathing exercise where individuals experiencing anxiety can take slow, deep breaths while counting to ten, repeating this process as necessary.

Understanding personal triggers can be beneficial for individuals who experience anxiety. Triggers refer to situations or events that can induce episodes of anxiety.

If anxiety significantly interferes with a person’s daily life, it is advisable to consult a doctor. Various treatment options are available, often involving a combination of talk therapies and medication as prescribed by a healthcare professional.

Talking therapies

Various talking therapies can be beneficial in helping individuals cope with an anxiety disorder. Here are some examples:

  1. Cognitive Behavioral Therapy (CBT): CBT focuses on identifying and changing negative thought patterns and behaviors that contribute to anxiety. It helps individuals develop healthier coping mechanisms and strategies to manage anxiety more effectively.
  2. Exposure Therapy: This type of therapy gradually exposes individuals to the situations or triggers that cause anxiety. Through repeated and controlled exposure, people can learn to manage their fear and reduce anxiety responses over time.
  3. Acceptance and Commitment Therapy (ACT): ACT aims to help individuals accept their anxious thoughts and feelings without judgment while focusing on taking positive action aligned with their values and goals. It emphasizes mindfulness and living in the present moment.
  4. Mindfulness-Based Therapies: These therapies, such as Mindfulness-Based Stress Reduction (MBSR) and Mindfulness-Based Cognitive Therapy (MBCT), teach individuals to cultivate present-moment awareness, observe their thoughts and feelings without judgment, and develop greater self-compassion.
  5. Psychodynamic Therapy: This therapy explores the unconscious influences on anxiety and seeks to uncover underlying conflicts or unresolved issues that contribute to anxiety symptoms. It focuses on gaining insight into one’s emotions and early life experiences.
  6. Supportive Counseling: Supportive counseling provides individuals with a safe and empathetic space to express their feelings and concerns. It helps them feel heard and validated, offering emotional support and guidance in managing anxiety symptoms.

These are just a few examples of talking therapies available to individuals with anxiety disorders. The choice of therapy depends on the individual’s specific needs and preferences, and it is best to consult with a mental health professional to determine the most suitable approach.


In some cases, a doctor may recommend medication. Drugs tend to be particularly helpful when a person uses them in combination with talking therapies.

The drugs that doctors most commonly prescribe for anxiety include:

Anti-anxiety drugs

Benzodiazepines, which include clonazepam (Klonopin) and alprazolam (Xanax), ease anxiety. However, since there is a high risk of physical dependence, doctors will generally only recommend them for short term use.

They may sometimes prescribe the drug buspirone (Buspar) for longer term anxiety relief.


Doctors often prescribe antidepressants, such as sertraline (Zoloft), for the long term treatment of panic disorder and generalized anxiety.


Beta-blockers treat anxiety by slowing the heart rate and reducing blood pressure. Doctors usually prescribe them for predictable, sudden bouts of anxiety, such as stage fright.


Anxiety is an innate reaction to danger or threat, triggered by the brain’s release of neurotransmitters that prepare the body for fight or flight.

When certain neurotransmitters enter the digestive tract, they disrupt the gut microbiome, potentially leading to stomach-related symptoms such as nausea.

For the majority of individuals, anxiety is a natural and expected response to stress, not warranting significant concern. Various techniques exist to manage stress and anxiety effectively in daily life.

However, persistent and frequent experiences of anxiety might indicate the presence of an anxiety disorder. If anxiety starts to interfere with an individual’s everyday functioning, it is advisable to consult a doctor for proper evaluation and guidance.

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