There are no specific foods known to cause psoriatic arthritis or proven to make it worsen or flare-up. However, there are at least 2 ways diet may make a difference in this condition: 1) An “anti-inflammatory diet” may help reduce inflammation that plays a key role in psoriatic arthritis – Foods thought to help fight inflammation include whole grains, healthy fats (such as those found in olive oil or nuts), fish, plant-based proteins (such as tofu), fruits, vegetables, beans and lentils. Conversely, foods that may encourage inflammation and should be avoided or restricted include highly processed carbohydrates (such as white bread, pasta, many breakfast cereals), unhealthy fats such as those found in red meat, fried foods, and many snacks, and sweetened foods, such as many carbonated beverages, baked goods and candy. 2) Certain foods seem to trigger flare-ups in some people with psoriatic arthritis – These “trigger” foods vary from person to person. So, if you notice that certain flare-ups of psoriatic arthritis tend to occur after eating certain foods, try eliminating those foods from your diet.
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