Scalp psoriasis is a chronic skin condition that is often itchy, scaly, and annoying. People who have it tend to experience issues with their self-image which can affect their daily lives. This condition can also be painful and cause discomfort. Fortunately, with a proper understanding of its causes, scalp psoriasis can be managed effectively.
In this blog, we’ll have a deeper look at what causes scalp psoriasis, including common and uncommon causes and related conditions that can cause psoriasis to flare up in your scalp.
Psoriasis affects about 3.5 million of the Philippine adult population. In addition to that, scalp psoriasis impacts more than 60% of individuals who have psoriasis. The exact cause behind scalp psoriasis remains unknown. But there are two main factors that can increase the risk.
Based on research, plaque psoriasis on the scalp is often caused by a weakened immune system. Research suggests it has something to do with an individual’s immune system not working properly.
According to the American Academy of Dermatology Association, psoriasis develops when the immune system malfunctions, causing T-cells to mistakenly attack the body’s own skin cells. This misguided immune response accelerates the skin cell production process. Consequently, these excess skin cells accumulate on the skin’s surface, forming the visible plaques characteristic of psoriasis.
Once this autoimmune response is initiated, it tends to persist indefinitely, as the T-cells continue to attack the skin cells throughout the individual’s lifetime. Essentially, the immune system remains in a continual state of erroneous activation.
This skin condition can be passed down through family members, but the underlying causes are complex. Children can inherit it from their parents. Environmental factors like sunburn, medications, stress, and inflammatory or autoimmune conditions can also play a role in increasing the risk of getting the skin condition.
These two are the most common scalp psoriasis causes. Nevertheless, certain triggers have the potential to exacerbate the skin condition. Here are some of them:
Carrying extra weight increases the risk and severity of psoriasis flare-ups. The additional body fat, particularly in the form of adipose tissue, can produce and release pro-inflammatory chemicals that may exacerbate signs of scalp psoriasis. Maintaining a healthy weight through balanced diet and regular exercise can help manage these effects.
Tobacco use has been strongly linked to the onset and exacerbation of psoriasis. Smoking may alter the immune system in ways that can worsen symptoms or increase the likelihood of flare-ups. Quitting smoking can not only reduce these risks but also improve overall health.
Psychological stress is a well-known trigger for psoriasis flare-ups. Stress disrupts the body’s hormonal balance and can aggravate the immune response, leading to more severe causes of scalp psoriasis. Techniques such as mindfulness, meditation, and regular physical activity can be effective in managing stress levels.
Infections, especially those affecting the throat and respiratory system, can trigger scalp psoriasis in some individuals. These infections can stimulate the immune system and exacerbate skin symptoms. Staying up to date with vaccinations and practicing good hygiene can help reduce the risk of infections.
Also known as eczema, atopic dermatitis can increase the body’s inflammatory response and may co-occur with scalp psoriasis in some individuals. This overlap can intensify itching and flaking, leading to a more uncomfortable and severe manifestation of scalp psoriasis. Learning how to treat scalp psoriasis and eczema together can help ease any flare-up.
Alcohol consumption can impact the effectiveness of psoriasis treatments and increase the frequency of flare-ups. Alcohol is known to interact with the body’s immune pathways and can aggravate psoriasis symptoms. Reducing or eliminating alcohol intake can be beneficial for managing this condition.
Dry, cold weather can cause a severe flare-up of scalp psoriasis, as low humidity and chilly conditions—including air-conditioned environments—strip moisture from the skin, leading to more frequent and intense flare-ups. It’s crucial to maintain scalp hydration during these times with appropriate moisturizers and treatments to manage symptoms effectively and prevent the condition from worsening due to environmental triggers.
Sunshine and warm weather can sometimes be a double-edged sword for those with scalp psoriasis. While moderate sun exposure is often beneficial, excessive sun exposure leading to sunburn can trigger a psoriasis flare-up. It’s important to balance sun exposure and maintain skin moisture during warmer months.
Certain medications, such as lithium, prednisone, and hydroxychloroquine, are known to induce or worsen psoriasis in some people. These drugs may alter the immune system’s behavior, leading to increased skin cell production. Always discuss potential side effects with a healthcare provider and explore alternative medications if necessary.
Hairstyling products and practices can often cause scalp psoriasis flare-ups. The harsh chemicals found in dyes and styling products can irritate the scalp, while excessive heat from blow dryers and styling tools exacerbates symptoms. To manage scalp health effectively, it’s crucial to choose gentle, non-irritating products and minimize heat exposure, ensuring a careful approach to hair care.
Scalp psoriasis is more than just an itchy inconvenience; it can significantly impact one’s self-esteem and daily comfort due to its visible and often painful symptoms. Understanding the triggers and underlying causes is key to effective management.
By addressing these factors, maintaining a healthy lifestyle, and following medical advice, managing the causes of scalp psoriasis becomes more manageable, helping to reduce flare-ups and improve quality of life.
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