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Which are the causes of Delayed Pressure Urticaria?

See some of the causes of Delayed Pressure Urticaria according to people who have experience in Delayed Pressure Urticaria

Delayed Pressure Urticaria causes

Causes of Delayed Pressure Urticaria


Delayed Pressure Urticaria (DPU) is a skin condition characterized by the development of hives or welts on the skin after pressure is applied. These hives typically appear several hours after the pressure is exerted and can last for 24 to 48 hours. While the exact cause of DPU is not fully understood, there are several factors that are believed to contribute to its development.



1. Mechanical Pressure


Mechanical pressure is the primary trigger for DPU. This can include activities such as sitting, standing, wearing tight clothing, or even carrying heavy objects. The pressure disrupts the normal functioning of the skin, leading to the release of histamine and other chemicals that cause the characteristic hives.



2. Underlying Medical Conditions


Some individuals with DPU may have underlying medical conditions that contribute to the development of the condition. These can include autoimmune disorders, such as lupus or rheumatoid arthritis, or other skin conditions like dermatitis or eczema. These conditions may make the skin more sensitive to pressure and increase the likelihood of developing DPU.



3. Genetic Predisposition


Genetic factors may also play a role in the development of DPU. Studies have shown that individuals with a family history of the condition are more likely to develop it themselves. This suggests that certain genetic variations may make some individuals more susceptible to DPU.



4. Immune System Dysfunction


The immune system is involved in the development of DPU. It is believed that an abnormal immune response to mechanical pressure triggers the release of inflammatory substances, leading to the formation of hives. This immune system dysfunction may be influenced by various factors, including allergies, infections, or other immune-related disorders.



5. Environmental Factors


Environmental factors can also contribute to the development of DPU. Extreme temperatures, such as exposure to cold or heat, can trigger or worsen symptoms in some individuals. Additionally, humidity, pressure changes, and exposure to certain chemicals or substances may also play a role in the development of DPU.



It is important to note that while these factors are believed to contribute to the development of DPU, the condition can vary greatly among individuals. Some individuals may experience mild symptoms, while others may have more severe and persistent hives. If you suspect you have DPU, it is recommended to consult with a healthcare professional for an accurate diagnosis and appropriate management strategies.


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