Medically reviewed by Allison Truong, M.D.

Whether you’ve been living with psoriasis for years or have been recently diagnosed, you may be constantly learning what makes this condition tick. It may seem like your psoriasis symptoms have a mind of their own, when, in fact, they are being triggered.

Potential psoriasis triggers include stress, weather, infection, and skin injury. Food is commonly discussed as a potential trigger, too, possibly because what we eat is something we can control. But it’s difficult to prove a connection between food and psoriasis symptoms, namely because scientists are still trying to uncover the mechanisms of how the skin reacts to certain foods.