Solar Urticaria: Exploring the root cause & triggers


Solar urticaria, also known as sun allergy, is a condition characterized by an abnormal skin reaction to sunlight or artificial ultraviolet (UV) light. Conventionally, doctors will ask you to “run from the sun”, wear sunscreen and use corticosteroids, to manage symptoms. However, these short-term solutions only provide temporary relief and do not get to the root of the issue.


Research suggests that these two factors can overstimulate the immune system, leading to the development or worsening of this condition.


In this blog post, we will delve into two key factors: gut health and stress.



  1. Gut Health and Solar Urticaria


The health of our gut plays a vital role in supporting overall immune function. A compromised gut can result in an overactive immune system, leading to heightened sensitivity and allergic reactions. Here’s how gut health can affect solar urticaria:



Leaky Gut Syndrome: When the lining of the gut becomes damaged or permeable, it can allow undigested food particles, toxins, and bacteria to leak into the bloodstream. This triggers an immune response, potentially leading to inflammatory reactions, including skin allergies like solar urticaria.



Dysbiosis: An imbalance of gut bacteria, known as dysbiosis, can disrupt immune regulation and increase allergic responses. Imbalanced gut microbiota may contribute to the development of solar urticaria by altering the immune system’s tolerance to UV light.



Having a weak gut can show up as digestive symptoms like, bloating, constipation/diarrhea, passing gas or heartburn.




  1. Stress and Solar Urticaria


Stress is a common trigger for various allergic reactions and can worsen the symptoms of solar urticaria. When we experience stress, our body releases stress hormones, such as cortisol. High cortisol can lead to – an Immune Dysfunction and release of mast cells, which are key players in allergic responses.


When mast cells are overactivated, they release histamine and other inflammatory substances that can cause symptoms like itching, hives, and redness associated with solar urticaria.



Maintaining a healthy gut and reducing cortisol levels are crucial factors in managing solar urticaria.


By understanding the root causes of solar urticaria and taking proactive steps to support our immune system, you can improve your quality of life and better control over your symptoms.


If you are looking to work with a holistic skin expert to manage your sun allergy symptoms – book a free consultation with Dr. Tanvi HERE.

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