6 foods that worsen psoriasis symptoms

6 foods that worsen psoriasis symptoms

Smirnova Anna
September 16, 2026

For the uninitiated, psoriasis appears to be a cosmetic problem. But it's actually an autoimmune disease that causes new skin cells to grow faster than the body can get rid of old ones. It brings not only psychological discomfort due to the little attractive flaky red, pink or purple spots, gray plaques, cracks, but also physical suffering, sometimes intolerable (pain, itching).

In addition, this skin pathology often progresses, turning into psoriatic erythroderma or generalized pustular psoriasis, complicated by joint damage, cardiopathology, diabetes mellitus, etc.

Although psoriasis is a fairly common disease, there are many unsolved scientific mysteries associated with it. Drug treatment of the unpleasant disorder includes systemic and topical drugs. However, this combination is not always enough to control the symptoms.

If flare-ups occur frequently, certain lifestyle changes can help improve the clinical presentation of the disease. In addition to the prevention of psycho-emotional stresses, protection from exposure to climate risk factors (low temperatures, dry air), it is necessary to make adjustments to the usual diet.

There is still no scientific evidence that dieting can control symptoms. However, long-term clinical practice clearly demonstrates that by eliminating certain foods from the diet, one can improve one's overall condition, reduce unpleasant manifestations of the disease and prevent exacerbations.

Under the ban are:

  • fast food;
  • semi-finished products;
  • products of deep industrial processing;
  • smoking;
  • confectionery products;
  • spicy, burning seasonings that stimulate blood circulation.
  • In addition, the popular medical portal offers a list of six groups of products that need to be excluded from the menu of
  • patients with psoriasis.
Beer and psoriasis

A well-known study on nurse health in the United States screened 20,000 women with the disease. As a result, researchers found that nurses who drank beer regularly showed more severe symptoms of psoriasis than non-drinkers. If a daily menu includes just one glass of wine, the risk of complications increases, not to mention the stronger drinks, which can also be triggers of this disease.

All affect the circulatory system, dilate blood vessels, energize affected areas of the dermis, and worsen pathologic symptoms.

Sweetened drinks in a habitual diet
Beverages that have no nutritional value but are famous for their abhorrent sugar content or their artificial substitutes, including sweetened soda, packaged juices, etc., increase the risk of obesity.

There is an association between weight gain and psoriasis, as fat cells provoke an increase in the level of C-reactive protein and the development of chronic inflammation in the body, which negatively affects the condition of the skin.

Red meat and other sources of saturated fats

Chronic inflammation in the body can make the symptoms of psoriasis worse. Therefore, foods that induce development should be excluded from the patient’s diet.

First of all, we recommend to limit the diet sources of arachidonic acid and other saturated fats:

  • red meat;
  • butter;
  • cheese, etc.
  • Foods rich in polyunsaturated omega-3 fatty acids should take their place:

sea fish;

  • fresh walnuts and almonds (other nuts are not desirable to use);
  • flax seeds, etc.
  • It is recommended to change the ratio of plant and animal products in the diet so that the latter do not account for more than 30% of the caloric content of the daily diet.
Healthy food and white bread

There is no scientific evidence to link food intolerance to gluten, a protein found in many crops, bakery products and cereals, and psoriasis. However, for some patients, gluten-free nutrition is the only salvation and effective tool for controlling symptoms.

If the disease does not respond to medical treatment, consult a doctor about excluding gluten products from the usual diet for a while to test its impact on the body experimentally.

Not everyone will benefit from quitting gluten. By contrast, eliminating highly processed cereals, particularly white bread, from the diet would benefit everyone, without exception. Reducing refined carbohydrates in the diet can help people lose weight and maintain a healthy weight.

Eggplant and other olives

The hypothesis of the potential danger of plants from the family of olive trees, which includes eggplants, tomatoes, peppers, and potatoes, is as controversial as the suspicions of the "unreliability" of gluten-containing cereals. However, some patients diagnosed with psoriasis have a positive dietary change with these foods excluded.

Before giving up on a temporary diet of the members of the family of solitons, consult your doctor. He must monitor the patient's well-being, carefully monitoring any changes in his health.

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1. High-fat diet aggravates colitis via mesenteric adipose tissue derived exosome metastasis-associated lung adenocarcinoma transcript 1
2. Intestinal dysbiosis exacerbates the pathogenesis of psoriasis-like phenotype through changes in fatty acid metabolism
3. Cathepsin G cleaves and activates IL-36γ and promotes the inflammation of psoriasis
4. 
Diet-induced dampness-heat psoriasis is characterized by reduced Lactobacillus and accumulation of deoxycholic acid
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