5 min read
Diet during fever - essential rules, permitted and restricted foods
Isabella Taylor
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Diets Premium Expert • 24.09.2026
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Scientifically reviewed by a clinical dietitian:
This article has been peer-reviewed for adherence to IŻŻ, WHO, and PTGiP clinical nutritional standards.
| Diets Premium Expert Isabella Taylor | min read 5 min | Scientifically reviewed by a clinical dietitian 24.09.2026 |
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Key Takeaways
Fever is a state in which the body intensifies its metabolic processes, demanding significant energy expenditure. This is essential in cases of infection or other illnesses requiring immune system activation. To aid the body in recovery, nutrition must be tailored to its current requirements.
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Fever? What is it?
Fever is a state of elevated body temperature above 38°C. It is caused by compounds called pyrogens produced by pathogens. Fever has a positive effect on the body by increasing the body's ability to fight infection. The thermoregulatory center in the brain records the temperature flowing through this area of blood and, depending on the needs, stimulates the mechanisms that increase or decrease body temperature.
Diet in the heat is the rule
Therefore, the changes in diet during a fever are due to the effects of an increase in body temperature. The diet should be improved individually. Increased body temperature by only one degree Celsius causes a 20% increase in metabolism (reduction in glycogen and fat), increased heart rate, 500 ml increase in daily unseen evaporation, increased calorie breakdown. However, the diet should play an important role depending on the factors that cause the fever.
Fever Recommended and prohibited products
Recommended Products Prohibited Baking of refined milk flour, yogurt, kefir, egg yolk, egg whites, chicken, turkey Chud fish pork, sole, shellfish, flour and mint Fats added to raw rapeseed oil, olive oil Prepared vegetables (except for contraindications) Ripe fruit (excluding contraindicated ones) Products with high fibre content full-bodied, crunchy, brown rice, cassava, coffee grounds, fruit in the skin, high-fat cocoa beans preserved meat, cereals, cereal grains, celery seed, sausages, sausage grapefruit, cheesecake, cheese, cheese made from celery, cheese syrup, cheese and cheese, ripe soft fruits and easily digestible cooked vegetables.
Diet with a fever recipes
Breakfast Breakfast Recipe for cupcakes with green pepper sauce Ingredients: Wheat yogurt 70 g Butter 5 g Vegetable yogurt ingredients: Green pepper Sauce 70 g A tablespoon of olive oil Basil sauce Prowansal preparation: Pasta ingredients to mix with each other.
Isabella Taylor
✓Diets Premium Expert
Diets Premium team expert. Specializes in nutrition plans, strength sports, and training plans.
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