How is Psoriasis Caused?

September 29, 2023 | by Yashaswi Pathakamuri | Posted in FAQ's

Psoriasis Patient Hand

Psoriasis is a chronic skin condition characterized by the rapid growth of skin cells, resulting in the formation of thick, red, scaly patches or plaques on the skin. The exact cause of psoriasis is not fully understood, but it is believed to involve a combination of genetic, immune system, and environmental factors. Here’s an overview of how psoriasis is thought to be caused:

  1. Genetic Predisposition: Psoriasis tends to run in families, suggesting a genetic component to the condition. Certain genetic variations are associated with an increased risk of developing psoriasis. Having a family member with psoriasis increases an individual’s likelihood of developing the condition.
  2. Immune System Dysfunction: Psoriasis is considered an autoimmune disorder, which means that the immune system mistakenly attacks healthy skin cells. In individuals with psoriasis, the immune system becomes overactive and triggers inflammation in the skin. This inflammation leads to the accelerated production of skin cells.
  3. Environmental Triggers: Various environmental factors can trigger or exacerbate psoriasis symptoms in genetically predisposed individuals. Common triggers include:
    • Infections: Certain infections, such as streptococcal throat infections, can trigger or worsen psoriasis symptoms in some people. This is known as the Koebner phenomenon, where skin trauma or injury, including infections, can lead to psoriasis development in previously unaffected skin.
    • Stress: Psychological stress can exacerbate psoriasis symptoms or trigger flare-ups. Managing stress through relaxation techniques and stress-reduction strategies may help control symptoms.
    • Injury or Trauma: Physical trauma to the skin, such as cuts, burns, or excessive scratching, can lead to psoriasis lesions in the affected areas.
    • Medications: Certain medications, such as lithium, beta-blockers, and antimalarial drugs, can trigger or worsen psoriasis in some individuals. Consult with a healthcare provider if you suspect a medication is affecting your psoriasis.
    • Smoking and Alcohol: Smoking and excessive alcohol consumption have been associated with an increased risk of developing psoriasis and worsening its symptoms.
  4. Hormonal Changes: Hormonal fluctuations, such as those that occur during puberty, pregnancy, and menopause, can influence psoriasis. Some women may experience changes in their psoriasis symptoms during pregnancy, with improvements or worsening.
  5. Obesity and Lifestyle Factors: Obesity is a known risk factor for psoriasis and can exacerbate symptoms. Lifestyle factors such as a poor diet and lack of exercise may contribute to the development and severity of psoriasis in some individuals.

It’s important to note that psoriasis is a chronic condition with periods of exacerbation (flare-ups) and remission. The severity and duration of symptoms can vary widely among individuals. While there is no cure for psoriasis, various treatments, including topical creams, phototherapy, and systemic medications, can help manage and alleviate symptoms. If you suspect you have psoriasis or are experiencing skin symptoms, consult a dermatologist or healthcare provider for a proper diagnosis and treatment plan tailored to your specific needs.

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