Content

Can Anxiety Cause Nausea? Symptoms, Causes & How to Stop

Emily Mendez
Author:
Emily Mendez
Medical Writer
Dr. Michael Chichak
Medical Reviewer:
Dr. Michael Chichak
MD

Highlights

  • Anxiety may cause nausea due to the body’s stress response and the gut-brain connection.
  • Other anxiety symptoms like dizziness, sweating and a racing heart often accompany nausea from anxiety.
  • Some ways to relieve anxiety-related nausea are deep breathing techniques, gentle exercise, and dietary adjustments.
  • If you experience severe nausea from anxiety, see a healthcare provider for evaluation and personalized treatment.

Approximately 31% of adults[1] will experience an anxiety disorder at some time in their lives. Anxiety[2] doesn’t just affect your mood and emotions. It may also cause physical symptoms that can disrupt your ability to get through your day, and nausea is one of the common symptoms of anxiety.

Find out how anxiety can impact your digestive system and cause nausea, and how you can manage it.

If anxiety symptoms are getting in the way of your daily life, see a healthcare provider for personalized treatment.

Can Anxiety Cause Nausea or Vomiting?

Many factors can cause nausea, and anxiety is one of them. People with generalized anxiety disorder (GAD), panic disorder, post-traumatic stress disorder, and social anxiety can experience this symptom.

Your brain and your stomach are more connected than one may think. This connection is why you may feel a pit in your stomach when you receive bad news, or suddenly get “butterflies” right before an important event. Once the perceived threat has passed, you may feel better.

Why Does Anxiety Cause Nausea?

Anxiety can make you nauseous for several reasons. Below are some of them.

The Gut-Brain Connection

While the exact science isn’t completely clear yet, there is a gut-brain connection[3] that can become particularly activated during times of heightened anxiety or stress. 

One possible cause is disrupted activity of the vagus nerve[4] : naturally, among other roles, this nerve is responsible for “soothing” the digestive system, allowing it to carry out its functions efficiently. In stressful times, the vagal activity reduces, and the digestive process becomes impaired. This results in bloating, nausea, vomiting, or other symptoms.

In addition, stress can alter gut permeability, contributing to the changes in gut microbiota. The conditions become more favorable for pro-inflammatory bacteria, which can cause discomfort.

Fight-or-Flight Response

Whenever your brain senses danger, your body can enter fight-or-flight mode. During the fight-or-flight response, adrenaline and cortisol[5] (stress hormones) flood your system, slowing digestion and priming you for survival. When these effects take place and the digestive process is disrupted, you may feel nauseous and even vomit.

"Another action of the fight-or-flight response is called vasoconstriction. This means that certain non-essential blood vessels will constrict when appropriate. When the body senses an imminent threat, be that a bear running toward you in the woods, or anxiety for various reasons, your body’s nervous system is wired to reduce blood flow to certain areas while increasing it to others. For example, during stress, your body deprioritizes digestion, reducing the blood flow to your gut, while prioritizing blood flow to muscle tissue so that you can “run away.” A potential downstream effect of this, in the setting of anxiety, is nausea."
Dr. Michael Chichak
Medical provider at MEDvidi

Hyperventilation and Muscle Tension

Anxiety can also cause you to breathe more rapidly, leading to hyperventilation and increasing your dizziness or nausea symptoms. Your muscles may also tense when you’re feeling anxious, and abdominal muscle tension may contribute to discomfort. In general, the intensity of your symptoms depends on your body and how you react to stressful events.

How to Tell If Nausea Is From Anxiety

Nausea is a symptom associated with many conditions. To determine if it’s anxiety-related, it’s important to consider the following:

  • Symptoms: Does your nausea appear alongside other anxiety symptoms like excessive worrying, shortness of breath, trembling, or a racing heart?
  • Timing: Do you experience nausea when you’re feeling stressed or anxious?
  • Persistence: Do your stomach issues and nausea disappear after the anxiety-inducing situation is over?

Sometimes, it can be difficult to tell if your nausea is related to anxiety or something else altogether. If you are still unsure, keep a record of your symptoms, their duration, and when they occur to help you determine their underlying cause. If your symptoms are prolonged, see a healthcare provider for a comprehensive health assessment.

"The situation is often more complex than it may seem. Anxiety can come from a number of factors, potentially health-related ones. For example, if a person believes that they are having a heart attack, their anxiety level will increase quite substantially. Nausea can happen in a setting of this anxiety; however, a person having a heart attack can also have severe nausea. All this being said, it is important to make sure that you see a healthcare provider if you are having nausea so that you receive the care you need."
Dr. Michael Chichak
Medical provider at MEDvidi
See a licensed healthcare provider online to get individualized treatment for anxiety.

What Does Anxiety Nausea Feel Like?

For many people, anxiety-related sickness feels just like nausea due to any other reason. It may feel like butterflies, an upset stomach, or a fluttering feeling. An important thing to remember about anxiety-induced nausea is that it is usually short-lived and often occurs alongside additional symptoms like:

Remember, just because you experience nausea when you’re anxious doesn’t mean you necessarily have generalized anxiety disorder[6] . To receive an anxiety or panic disorder diagnosis, you must meet specific criteria. If nausea frequently affects your life, it’s best to schedule a doctor’s appointment to determine the underlying cause of your symptoms.

Anxiety-Induced Nausea vs. Other Causes

Nausea can stem from several issues, which is why it’s important to correctly identify the reasons behind your stomach discomfort. Some other potential causes of nausea that aren’t necessarily related to anxiety include:

  • Acid reflux and stomach acid[7]
  • Food poisoning
  • Irritable bowel syndrome
  • Motion sickness[8]
  • Stomach virus
  • Chemotherapy[9]
  • Migraines[10]
  • Intestinal obstruction[11]
  • Pregnancy[12]

Additionally, some medications may cause nausea as a side effect. If you are unsure whether your nausea is anxiety-related or due to something else, contact your doctor. They can conduct a thorough assessment to determine the cause of your nausea and provide you with appropriate treatment options.

How to Get Rid of Nausea From Anxiety and Stress

Chronic nausea due to anxiety can significantly disrupt your productivity and quality of life. If you are struggling, there are several things you can try to regain control and reduce the severity and frequency of your symptoms.

How to get rid of nausea from anxiety

Deep Breathing Exercises

Box breathing and belly breathing may be helpful ways to address anxiety and reduce nausea symptoms when they flare up. To try box breathing, breathe in slowly and count to 4. Then, hold this breath for 4 seconds before slowly exhaling to the count of 4. After exhaling, hold for four more seconds and then repeat the process until you feel calmer.

To try belly breathing, lie down comfortably. Once settled in, place one hand on your stomach and the other on your chest. Then, concentrate and bring your breath into your belly. You should only feel the hand resting on your belly rise as you inhale. Then, slowly exhale. You should only feel the hand resting on your stomach fall. Repeat until you feel more relaxed and your anxiety symptoms decrease.

Journaling

Journaling is a helpful way to reduce rumination, process your emotions, and gain clarity. There is also scientific evidence[13] that journaling can provide relief from excessive worry. The best thing about journaling is that there is no right or wrong way to start. When you reread what you’ve written, you may gain some fresh perspective on your situation and feel less stressed.

Mindfulness Practices

Anxiety symptoms like nausea and excessive worry can be hard to break free from. With mindfulness, you can reduce rumination and bring awareness to the present moment. This, in turn, can reduce the intensity of your emotional and bodily symptoms, including nausea. When you practice mindfulness techniques[14] , like focusing on your breathing, conducting full body scans, and meditating, you can experience better emotional regulation and reduce reactivity.

Progressive Muscle Relaxation

Progressive muscle relaxation[15] can reduce anxiety. To perform it, you are slowly tensing up and then relaxing each muscle in a systematic manner. This technique can help you become more aware of muscle tension and teach you how to ease into a relaxed state.

Cognitive-Behavioral Strategies

Cognitive-behavioral therapy can be an effective way to treat an anxiety disorder and reduce associated symptoms. If you experience anxiety most days and find it difficult to navigate daily life without your symptoms getting in the way, talk therapy can help. A professional therapist will help you explore different ways to manage your anxiety. Your plan may include individual counseling, medication, or a combination of both.

In addition to these tips, making positive lifestyle changes can significantly decrease your anxiety symptoms, including nausea. Establish healthy sleep habits[16] , get regular physical activity[17] , and limit your caffeine[18] and alcohol[19] intake to reduce anxiety flare-ups. A healthy diet is also beneficial for a healthy gut microbiome.

Is There a Medication for Anxiety Nausea?

If nausea is persistent or intense, and first-line solutions like hydration, relaxation, and talk therapy are not helpful enough, your healthcare provider may recommend medication.

The choice of medication depends on many factors, including your symptoms, your health history, previous response to certain medicines, etc. Also, note that medication works more effectively when it’s combined with lifestyle improvements and therapy.

It’s important to consult a healthcare professional and follow their instructions. At MEDvidi, you can see a licensed medical provider for online anxiety treatment and receive personalized support and medication prescriptions, if deemed necessary.

When to Seek Professional Help

If anxiety-related nausea is interfering with your daily life, you may want to seek professional help. Your provider will help determine whether you have an anxiety disorder, as well as find the root of your anxiety and nausea. Based on the result of your evaluation, you may be referred to a psychotherapist who uses cognitive-behavioral techniques and/or receive a medication prescription, if appropriate.

Takeaway

While nausea caused by anxiety can disrupt your day-to-day life, it is manageable with the right treatment strategies and support. Learning healthy ways to manage stress, reframing your thoughts, staying grounded during difficult situations, and taking medication if necessary can help you cope with the symptoms. Book an appointment at MEDvidi today to have a comprehensive mental health assessment and receive an individualized treatment plan for anxiety.

FAQs About Anxiety and Nausea

Yes, anxiety may lead to vomiting, especially during moments of extreme stress or panic attacks[20] .

Anxiety-induced nausea usually lasts for as long as the stressful event or trigger remains present. In mild cases, nausea can last for a few minutes to hours after the episode subsides. If nausea from anxiety remains persistent for two days or longer, see a healthcare provider to get professional help.
Yes, it is possible to feel nauseous every day due to stress, especially if you often experience intense or prolonged periods of chronic anxiety. However, feeling this way regularly isn’t something you should come to terms with: persistent nausea is a sign that your body needs care and support, so it’s best to consult a healthcare provider.

A small amount of blood in your vomit may be due to the irritation or trauma caused by forceful vomiting. However, it can also indicate a more serious underlying condition. You should seek medical attention immediately if you vomit blood, especially if other symptoms are present, such as dizziness, weakness, and abdominal pain.

If you’re experiencing anxiety-induced nausea, try eating small amounts of bland foods that are easily digestible. Some options include toast, crackers, rice, and potatoes. Ginger[21] tea or candy can also soothe nausea.

Yes, subconscious anxiety can make you feel sick and can manifest through physical symptoms like headaches, nausea, and stomach pain.

Sources

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21 sources
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Emily Mendez
Author:
Emily Mendez
Medical Writer
Dr. Michael Chichak
Medical Reviewer:
Dr. Michael Chichak
MD
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