How does psoriasis present differently in people with darker skin tones?

Psoriasis can look different on people with darker skin, which can make it harder to diagnose and treat. While psoriasis affects millions worldwide, its appearance varies across different skin tones. On darker skin, psoriasis often shows up as dark brown or purplish-gray spots or plaques, which can be harder to see compared to the pinkish or red plaques on lighter skin. The scales covering these plaques may appear grayish. In Hispanic individuals, psoriasis might look salmon-colored with silvery or white scales. People of color may also experience thicker plaques that cover larger areas of the body. Scalp psoriasis is common among people of color, especially in the Asian population, but it can be challenging to diagnose in Black individuals because it can resemble other conditions like seborrheic dermatitis. Due to these diagnostic challenges, doctors may need to use additional clues or perform a biopsy to confirm psoriasis. Another issue is that people of color often have less access to dermatologists and may be underrepresented in research studies. Treatment for psoriasis is generally the same regardless of skin tone, starting with topical ointments or creams. More severe cases may require oral medications, injections, or UV light therapy. However, thicker plaques may necessitate stronger or longer treatments. Darker skin is more prone to hyperpigmentation (dark patches) and hypopigmentation (light spots), which can take months or years to clear up. Effective early treatment can help prevent these spots. Scalp psoriasis treatments may need to be adjusted based on personal and cultural hair care practices. Research indicates that minorities with psoriasis often receive inadequate treatment and are less familiar with effective medications like biologics. This undertreatment can result from limited access to dermatologists or inadequate health insurance. Psoriasis can significantly impact the quality of life, with studies showing that Black and Hispanic individuals report more negative emotions and a greater impact on daily activities compared to white patients. Addressing these emotional challenges with a doctor or therapist can be beneficial.