Regarding the food, it is prudent to rely on personal experience to help.

The self-monitoring and maintaining a diet diary are good tools to verify the nutritional habits. Thus, it is difficult to find out which foods are better or worse are palatable. Many lessons can be easily generalized: Some patients experience a worsening of psoriasis after sharp spices such as paprika, pepper, chili or curry, and very spicy sauces and coffee. Other fruits are not tolerated different, no vinegar or nuts.
A full, balanced diet is generally recommended, with plenty of fruit, vegetables, cereals and low-fat dairy products. Favorable fruits and vegetables with a high content of beta-carotene (such as carrots, cabbage plants, beans, oranges and melons), tomatoes and foods high in fiber. 
The diet should vitamin-and mineral-rich. When cooking are plenty of unsaturated fatty acids, as in thistle, walnut or sunflower oil containing prefers to use. A waiver on the immoderate fatter and sugary foods pays off. It should inform, where so-called hidden fats hide. In many foods, they are often at first glance is not visible, such as milk, meat, cheese, cakes and finished products. People with psoriasis should avoid obesity, as a negative influence on the course of the disease than is saved. It is increasingly extensive and stubborn psoriasis stoves. For overweight are more skin wrinkles, which is a preferred location for the formation of the plaques are.
Over-or regular alcohol consumption is one factor in a well-known provocation of psoriasis and the other can contribute to the deterioration of already existing symptoms lead. Itchy skin is often reinforced. Also suggest therapies under worse circumstances at.