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    Lawrence E. Gibson, M.D.

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Question

Psoriasis diet: Can changing your diet treat psoriasis?

Can changing my diet treat psoriasis?

Answer

from Lawrence E. Gibson, M.D.

Unfortunately, there is no special psoriasis diet. Though some people find that certain foods worsen their symptoms or that others improve skin inflammation, the link between nutrition and psoriasis is still unclear.

Psoriasis is cyclic, meaning that you experience periods when your psoriasis symptoms improve or go into remission alternating with times when your psoriasis becomes worse. Besides the food you eat, many factors might trigger a flare-up, including stress, an infection, change in climate or medications you're taking.

Though certain foods may neither improve nor aggravate your symptoms, eating a healthy diet overall is still beneficial. If you have psoriasis, you're encouraged to eat a diet that focuses on fruits, vegetables, whole-grains, low-fat dairy products, lean meats and fish. A healthy diet, especially when combined with exercise, can help you lose weight or maintain a healthy weight — factors that may improve psoriasis symptoms. If you're overweight, losing weight may also improve the effectiveness of your psoriasis medication.

As long as you meet your daily nutritional requirements, there's no harm in exploring which foods might improve your symptoms. Start a food diary and record what you eat along with the symptoms you experience. Over time, you may see patterns that are helpful in controlling your psoriasis symptoms.

Next question
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References
  1. Traub M, et al. Psoriasis: Pathophysiology, conventional and alternative approaches to treatment. Alternative medicine review. 2007;12:319.
  2. Psoriasis treatment: Your diet and psoriasis. National Psoriasis Foundation. http://www.psoriasis.org/treatment/psoriasis/diet/. Accessed Dec. 22, 2008.
  3. Questions and answers about psoriasis. National Institute of Arthritis and Musculoskeletal and Skin Diseases. http://www.niams.nih.gov/hi/topics/psoriasis/psoriasis.htm. Accessed Dec. 19, 2008.
  4. Gisondi P, et al. Weight loss improves the response of obese patients with moderate-to-severe chronic plaque psoriasis to low-dose cyclosporine therapy: A randomized, controlled, investigator-blinded clinical trial. American Journal of Clinical Nutrition. 2008;88:1242.
  5. Wolters M. Diet and psoriasis: Experimental data and clinical evidence. British Journal of Dermatology. 2005;153:706.
  6. Gibson LE (expert opinion). Mayo Clinic, Rochester, Minn. Jan. 5, 2009.

AN01960

Feb. 10, 2009

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