Is There a Connection Between Caffeine and Psoriasis?
Medically reviewed by Allison Truong, M.D.
Nobody knows for sure why certain things trigger a flare in some people but not in others. Stress, certain illnesses (like strep throat), weather conditions (especially dry or cold), and skin injuries (like cuts, burns, and bug bites) may lead to worsening symptoms.
When it comes to foods and drinks, there’s more of a question mark. Some people with psoriasis report flares after they eat a type of food they’re sensitive to, such as dairy, nightshades (tomatoes, potatoes, eggplants, and peppers), or foods containing gluten; but, at this time, there’s limited scientific evidence to connect certain diets with psoriasis.