Herbal Science Ltd & Medical Herbalism

The Gut-Brain Connection: How Stress Impacts Irritable Bowel Syndrome (IBS)

What is irritable bowel syndrome (IBS)?

IBS is a functional disorder of the gut, meaning that there is no visible damage or inflammation in the gut but it can affect the normal functions of the gut, such as motility, sensation and secretion. The symptoms of IBS are diverse and can include abdominal pain or discomfort, bloating, constipation, and/or diarrhea. The cause of IBS is not well understood, but it is thought to be related to a combination of factors such as genetics, gut microbiome, abnormal gut motility and stress.

IBS is a common condition, and it is estimated that it affects around 10-20% of the population in the United Kingdom. However, it’s important to note that the prevalence of IBS can vary depending on the population studied and the diagnostic criteria used. It is more common in females than males, and it is more common in people under the age of 50 years old. Prevalence of IBS is also higher in people with a history of depression or anxiety, and in people with a family history of IBS. It is however important to note that IBS is a diagnosis of exclusion, which means that other conditions with similar symptoms such as inflammatory bowel disease (IBD), celiac disease, lactose intolerance and other food intolerances, must be ruled out before a diagnosis of IBS can be made.

IBS irritable bowel syndrome and anxiety and stress are common together says sussex medical herbalist

What is the link between IBS and stress?

There is a well-established link between IBS and stress. Stress can affect the gut in several ways, including altering gut motility (the movement of food through the digestive tract), altering gut sensation (the ability to sense discomfort or pain in the gut), and altering the gut microbiome (the collection of microorganisms that live in the gut).

Stress can also affect the gut-brain axis, which is the communication between the gut and the brain. Under normal circumstances, the gut and the brain communicate with each other to coordinate the digestive process. However, when a person is stressed, this communication can become disrupted, leading to changes in gut motility and sensation. This can cause symptoms such as abdominal pain, bloating, constipation, and/or diarrhea, which are common in IBS.

Additionally, stress can also affect the immune system which can lead to increased inflammation in the gut, and this can worsen symptoms in people with IBS. Stress can also lead to changes in the gut microbiome, which can further exacerbate symptoms in people with IBS.

It’s important to note that while stress can be a trigger for IBS symptoms, it is not the only cause of IBS. Other factors such as genetics, gut bacteria, food intolerance, and gut motility may also play a role. The treatment for IBS can include lifestyle changes such as stress management techniques, dietary changes, and medications that can help to control symptoms.

It’s important to consult with a healthcare professional for a proper diagnosis and treatment of IBS, as well as to rule out other conditions that may have similar symptoms.

What is the link between IBS and emotions?

People with IBS often report that their symptoms are worse during times of emotional stress or anxiety. This link between emotions and IBS symptoms is thought to be due to the gut-brain axis, which is the communication between the gut and the brain. The gut and the brain are closely connected, and emotions can affect the gut in several ways, including altering gut motility (the movement of food through the digestive tract) and altering gut sensation (the ability to sense discomfort or pain in the gut).

Emotions such as anxiety and depression are common in people with IBS, and these emotions can make symptoms worse. Studies have shown that people with IBS have a higher risk of developing anxiety and depression compared to people without IBS. Additionally, people with IBS often report that their symptoms improve when they are able to manage their emotions better.

Other than stress, what other risk factors which may increase  a person’s likelihood of developing IBS?

It’s important to note that while emotions can be a trigger for IBS symptoms, they are not the only cause of IBS. Other factors such as genetics, gut bacteria, food intolerance, and gut motility may also play a role. However, it’s important to note that not everyone with these risk factors will develop IBS, and that other factors may also contribute to the development of the condition.

  1. Genetics: There is evidence to suggest that IBS may run in families and that certain genetic variations may increase a person’s risk of developing the condition.
  2. Gastrointestinal infections: Individuals who have had a recent bout of infectious diarrhea (e.g. food poisoning) may be at a higher risk of developing IBS.
  3. Trauma or abuse: People who have a history of physical, sexual, or emotional abuse may be at a higher risk of developing IBS.
  4. Stress: Chronic stress and anxiety can contribute to the development of IBS symptoms.
  5. Hormonal changes: Women may be at a higher risk of developing IBS during times of hormonal changes, such as during menstruation or pregnancy.
  6. Food intolerance: People with IBS may have a food intolerance such as lactose intolerance or gluten intolerance.
  7. Gastrointestinal surgery: Individuals who have had gastrointestinal surgery may be at a higher risk of developing IBS.

The treatment for IBS is like a toolbox with various tools to help manage symptoms. Lifestyle changes like stress management and dietary changes can help, as well as medications. The use of a food/symptom diary can be really effective in tracking ‘triggers’.

It’s important to consult with a healthcare professional for a proper diagnosis and treatment of IBS, as well as to rule out other conditions that may have similar symptoms. Additionally, if you are experiencing emotional distress, consulting a mental health professional for therapy or counseling may also be beneficial in managing IBS symptoms.

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If you have any questions please contact me: Laura Robinson, MSc, BSc(Hons), Dip.Herb.Med., MNIMH
Telephone/Whatsapp: +44 (0)7985 923707, Email: herbalscienceltd@gmail.com

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