What foods should not be eaten for psoriasis?

Aug 29, 2025 Source: Cainiu Health

Dr. Liu Wenmin

Introduction

In general, patients with psoriasis should pay attention to avoiding foods that may worsen their condition or trigger symptoms. Common examples include spicy and stimulating foods, allergenic foods, high-sugar foods, high-fat foods, and foods that are likely to cause allergic reactions. In daily life, in addition to dietary regulation, patients can also engage in appropriate mild physical exercises, such as walking, jogging, and Tai Chi, to enhance their physical immunity.

Generally, patients with psoriasis should avoid foods that may worsen their condition or trigger symptoms. Common examples include spicy and irritating foods, allergenic foods, high-sugar foods, high-fat foods, and foods that easily cause allergic reactions. Detailed explanations are as follows:

1. Spicy and irritating foods: Chili peppers, Sichuan peppercorns, ginger, mustard, curry, and similar items are considered spicy and irritating. These foods may stimulate inflammatory responses in the body, worsening symptoms such as skin redness and itching, and hindering the stabilization of psoriasis. They should be strictly avoided, especially during acute flare-ups.

2. Allergenic foods: Seafood, lamb, dog meat, goose meat, and other similar foods may trigger or worsen abnormal immune responses in the skin. Some patients might experience worsening skin lesions or increased itching after consumption. It is recommended to choose cautiously or avoid these foods based on individual tolerance.

3. High-sugar foods: High-sugar foods such as cakes, candies, desserts, sugary beverages, and refined sugar can lead to fluctuations in blood glucose levels when consumed in excess. This may impair immune system function, intensify systemic inflammation, delay healing of psoriatic skin lesions, and increase the risk of complications over time.

4. High-fat foods: High-fat foods such as fried foods, fatty meats, animal offal, butter, and fried nuts are rich in saturated and trans fats. Long-term consumption can elevate blood lipid levels, impair metabolic function, and potentially exacerbate abnormal sebum secretion, which may indirectly hinder the control of psoriasis symptoms.

5. Allergenic foods: Some psoriasis patients may have allergic constitutions and could react to certain foods such as mangoes, pineapples, durians, and eggs, which may act as allergens, triggering allergic skin reactions that could in turn induce or worsen psoriasis symptoms.

In daily life, in addition to dietary adjustments, patients can engage in appropriate mild physical exercises such as walking, jogging, and practicing tai chi to enhance physical immunity and promote skin metabolism.

View All

Why Does the Skin Sometimes Itch More When Scratched?

In general, the more the skin is scratched, the more it may itch due to factors such as damaged skin barrier, sensitive nerve endings, contact dermatitis, eczema, or psoriasis. It is recommended to seek medical attention promptly, identify the underlying cause, and undergo symptomatic treatment under a doctor's guidance. Daily care should include maintaining skin cleanliness, avoiding frequent hot washes, and choosing mild skincare products.

View Full Answer

What Are the Three Types of Food Most Feared for Gastric Bleeding?

Generally speaking, there is no specific claim regarding "the three types of food most feared in gastrointestinal bleeding." Patients with gastrointestinal bleeding should avoid spicy and stimulating foods, hard or coarse foods, excessively hot foods, greasy and hard-to-digest foods, as well as alcoholic beverages. These types of food may worsen gastric mucosal damage, exacerbate bleeding, or impair recovery. During the recovery phase of gastrointestinal bleeding, the diet should primarily consist of cool, soft, and easily digestible foods.