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Diet for giardiasis
Last reviewed: 04.07.2025

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Lamblia are parasites. And this type of protozoa is the most difficult to detect. The patient can live for years, experiencing only mild discomfort, without any particular symptoms. But giardiasis - both in adults and children, is dangerous due to its consequences. Lamblia destroys the mucous membrane of the small intestine. Therefore, the diet for giardiasis is extremely important, it is the basis for treating this type of helminthiasis.
You can even say it differently - without a diet for giardiasis, treatment is doomed. With prolonged giardiasis (several months), negative consequences such as digestive disorders, gastrointestinal inflammation (impaired bowel movements, dyskinesia, flatulence) appear. Sadly, giardiasis is often accompanied by acute allergic reactions, impaired heart function, and even upset nerves. Basic hygiene rules and a diet for giardiasis should speed up recovery.
If a person is diagnosed with giardiasis in a timely manner, then giardia can be defeated without using any medications at all – armed only with patience and following a special diet for giardiasis.
The main thing in the diet for giardiasis is a categorical refusal of all products that giardia love, or in other words, food that promotes the reproduction and vital activity of giardia. Analysis of numerous studies on the topic of giardiasis shows that these parasites love carbohydrates. Let's consider different aspects of giardiasis and its treatment using a complex method, with the help of a diet.
Treatment of giardiasis with diet
Treatment of giardiasis with diet involves strict exclusion of food products that are favorable for giardia - first of all, these are "fast" carbohydrates and sweets. And an acidic environment is extremely undesirable for giardia, therefore, when treating giardiasis with diet, food is acidified, they try to consume a large amount of fermented milk products. Most likely, small children get giardiasis.
Be careful - one of the signs that you urgently need to start treating giardiasis with a diet is a slow increase in the baby's body weight. Frequent constipation, which is replaced by diarrhea - is also an alarming symptom, as is frequent nausea and bloating. Atopic dermatitis is one of the companions of giardiasis. Therefore, when treating giardiasis with a diet, products that can cause allergies are excluded, such as red vegetables and fruits. Medications must accompany the treatment of giardiasis with a diet when prescribed by a doctor. We can say that these two methods of treatment - medications and treatment with a diet are equivalent.
Diet for giardiasis in children
What diet is suitable for children with giardiasis? For very small children - if a nursing mother is diagnosed with giardiasis, the baby must be transferred to artificial feeding. Both are treated. In children, giardiasis manifests itself in the form of allergic reactions and skin rashes in 60% of cases. Therefore, a diet for giardiasis in children implies an approach that also takes into account the influence of allergens. Some fruits and berries can be allergens - for example, strawberries, cherries. Green apples and unsweetened pears never cause allergies. There is no need to be sad about restrictions when following a diet for giardiasis in children. These restrictions are only a temporary but effective measure.
It is necessary to try to diversify the diet for giardiasis in children by introducing new combinations of permitted products and forms of serving dishes. For example, vegetables can be boiled in soup, stewed as a side dish, stewed with lean meat as a ragout. And apples can be given raw, cooked into compote, baked with lean cottage cheese and a small amount of cinnamon, and also made into applesauce. The unusual combination of pear and chicken is quite tasty, and children love it. Following a diet for giardiasis in children involves giving up nuts and seeds. But the diet can be diversified by using various vegetable oils. In addition to the familiar sunflower seed oil, you can suggest olive, corn or linseed oil, sesame oil. Bright red vegetables and fruits (tomatoes, beets, strawberries, cherries) are offered as part of a diet for giardiasis in children only in the absence of skin rashes.
Usually, a pediatrician develops a children's diet for giardiasis. He gives a list of products allowed by the diet for giardiasis in children, from which loving parents prepare various dishes, preferably steamed. Fried dishes are excluded from the children's diet for giardiasis. For a complete recovery, special attention is paid to the diet for giardiasis in children, you need to strictly adhere to all the recommendations, otherwise the number of giardia in the intestines will not decrease. Parents will have to be strict and closely monitor the children, and also warn all grandparents, uncles and aunts and teachers in the nursery or kindergarten that sweets, buns, cakes and carbonated drinks are strictly prohibited. We also exclude milk, sausages, semolina porridge, smoked foods (they are generally not very useful for adults), spicy and fatty foods from the children's diet for giardiasis.
During the period of following a diet for giardiasis in children, parents should acidify the child's food in various ways. During the day, give as many sour berries and fruits as possible, cook sour compotes, lemonade from mint and lemons, make various berry fruit drinks, sour compotes from dried fruits. Acidifiers should be given to children shortly before the main meal - this way they work better. When following a diet for giardiasis in children, it is necessary to stew or boil vegetables, but you can offer carrots, tomatoes or cucumbers raw. Vegetables that irritate the intestines, when following a diet for children with giardiasis, are categorically not offered. For example, you cannot give a child radishes, raw onions and garlic.
Teach your child to eat kiwi, oranges, tangerines, sour apples and plums. Pay special attention to berries containing pectin. When following a diet for giardiasis in children, you need to remember that pectins precipitate various microorganisms, including giardia. Therefore, currants, strawberries, blueberries, cranberries and lingonberries should be mandatory in the diet menu for children with giardiasis. And you will have to give up bananas and sweet grapes for the duration of the diet. Unsweetened cottage cheese and low-fat yogurt are companions of the diet for giardiasis in a child. Cooking method - boiling and stewing. Fried food should not be offered to children with giardiasis.
The diet for children with giardiasis is as follows: four to five meals a day. Children with giardiasis will have to follow the diet for at least three and a half, or better yet, four months.
Diet for giardiasis in adults
What diet is recommended for adults? The differences from the children's diet for giardiasis are insignificant. The diet for giardiasis in adults involves giving up alcohol, carbohydrate products (pastries, any confectionery, honey and dried fruits). Glucose is the nutrient substance for the reproduction of giardia. The diet for giardiasis in adults recommends "slow" carbohydrates - unsweetened fruits, cereals - buckwheat or rice. Something that saturates for a long time. Adults are not recommended to get carried away with raw vegetables, in order to avoid flatulence.
The diet for giardiasis in adults welcomes sources of pure protein - fish and chicken. Up to two servings of such products daily are allowed. It is a condition that fish and chicken must be stewed or boiled. It is also possible to bake. But you will have to give up traditional fried dishes while following a diet for giardiasis in adults. Kefir and low-fat cottage cheese are welcome in the diet. Such products are recommended for adults to avoid dysbacteriosis, which usually follows giardiasis. One recommendation - only "light" dishes and consultation with a doctor - is the basis for success in following a diet for giardiasis in adults.
What is the diet for giardiasis?
The diet for giardiasis involves eating small meals four to five times a day, preferably drinking an acidified drink before eating. Cooking methods include only stewing, boiling, steaming, multicooking and baking. This diet for giardiasis is designed for a fairly long period of time - three to four months. It is also very important to maintain personal hygiene. Wash your hands, fruits and vegetables thoroughly before eating.
This diet for giardiasis involves restoring intestinal microflora. So, the diet for giardiasis involves frequent consumption of berries (much more often than you are used to) and fresh sour fruits. Berries and fruits are consumed fresh and in the form of compotes. Acidifiers are taken before meals, as the diet for giardiasis provides. Say, 20-30 minutes before the main meal. It is recommended to eat sour vegetables and fruits during the day. Citrus fruits should be on the table of a patient with giardiasis every day (oranges, lemons, tangerines). Kiwi, sour apples should also be consumed more often.
Diet menu for giardiasis
The diet menu for giardiasis is not very varied, but not tiring either. There are several general rules. We will look at them now.
- Porridges: can only be cooked in water. Choose what you like, rice, oatmeal, corn, buckwheat, barley porridge will do. If you have been on the diet for exactly a month, then try diluting milk with water in a 1:1 ratio. Lentils, peas, chickpeas, beans - do not use!
- Liquids: from one and a half to two liters per day, excluding soda. We recommend fruit drinks (cranberry fruit drink is delicious, currant and lingonberry are also good). Try making different acidified berry compotes. Tomato juice is allowed. Add acidobifirin and bifidumbacterin to fermented milk drinks. Drink these two drinks fresh. Kefir and fermented baked milk must also be fresh. We take kefir and fermented baked milk after two weeks of the diet."
- Soups: chicken broth with skin and fat removed, the same goes for duck. Turkey or any other poultry. Cook soups exclusively on vegetable broth. Strong meat broths are prohibited (as well as fish).
- Meat: use lean meats - turkey, duck (brisket), chicken, veal, beef, lean lamb and lean pork. Stew, steam, bake meat. You can use a steamer or a multicooker. A mandatory condition is to cut the meat finely, large pieces are not suitable for the diet for giardiasis. It is advisable to eat more meatballs and cutlets (steamed, of course)
- Fruits: fresh. Berries can be sweetened with stevia and baked with low-fat cottage cheese. Apples and pears can also be baked.
- Dairy products: low-fat cottage cheese, light feta cheese, kefir, fermented baked milk.
- Vegetables: all cruciferous vegetables, root vegetables. Beets, cucumbers, tomatoes. We exclude onions, garlic, and legumes that irritate the intestines.
- Bread: stale rye bread, rusks, crackers, Maria cookies.
Diet recipes for giardiasis
Since food needs to be acidified and acidified fruit drinks should be consumed, let's look at several useful recipes for giardiasis.
- Homemade lemonade – a large bunch of mint, lemon, stevia per five liters of water. Put the mint in boiling water, cut the lemon into slices, let it boil for a couple of minutes. Sweeten with stevia.
- Berry juice – bring water to a boil, throw in berries. Crush them with a masher with a little sugar. Turn off the heat, let it brew. Berries that are boiled for a long time lose a lot of vitamins.
- Fish with vegetables – place a portioned piece of lean fish on a piece of foil, place a piece of tomato, a slice of eggplant, carrots, greens and a slice of lemon next to it. Add salt. Wrap the foil and bake on a grill grate. You can cook the same thing in foil in a steamer.
- Cutlets in the oven - make mince from lean meat, add slightly stewed onion (not raw), egg. Instead of white bread, a little oatmeal. Form cutlets and put them on a baking sheet on baking paper. Bake in the oven until done. Excess fat will drip onto the paper. The same cutlets can also be made in a steamer.
- Porridges – cook only in water. But it is not boring. You can add a small piece of butter to rice. Fresh berries with stevia to oatmeal. Buckwheat porridge is also delicious when cooked in water.
- Vegetable stew - cut zucchini, carrots, potatoes (one or two), sweet peppers, and tomatoes into slices. Put some oil and a little water in a saucepan or frying pan with high sides. First, add a portion of chopped potatoes. Simmer. Then add the carrots. Then the other vegetables. Sprinkle everything with herbs. Use oregano and basil for flavor. Lastly, add a skinless tomato.
- Baked apples. Take several sour apples (Semerenko, for example). Cut out the middle. Stuff the apples with low-fat cottage cheese with stevia and a little cinnamon. Bake in the oven.
If it is very difficult to do without sweets, consult a doctor. Successful treatment to you!
What can you eat if you have giardiasis?
Let's make a list of what you can and should eat with giardiasis. To ensure an acidic environment unfavorable for giardia, you need to get into the habit of drinking sour drinks before meals or eating sour vegetables and fruits fresh. For example, eat a couple of tangerines before lunch, or drink acidified unsweetened compote, you can drink fruit drink.
So, in our list, the leading positions are berries containing a lot of pectin. These are strawberries, cherries, lingonberries, blueberries, cranberries, blackberries, viburnum, currants, kiwi. Next on the list are sour apples and citrus fruits. With giardiasis, you need to eat porridge - rice, oatmeal, buckwheat, corn and barley. Porridge IN WATER WITHOUT ADDING MILK. Next on the list are lean meats and fish. Boiled potatoes or jacket potatoes are allowed in small quantities. With giardiasis, it is imperative to eat fermented milk products and drink enough water - up to two liters per day.
It is recommended to drink birch sap and decoctions of choleretic herbs for giardiasis. You can sweeten food with stevia, a sugar substitute. Of the fats, vegetable oil is the most preferable (as well as sesame, corn, olive, flaxseed - see the section on diet for children).
What should you not eat if you have giardiasis?
The following products should be excluded from the diet during treatment of giardiasis. You cannot eat with giardiasis: canned food, smoked meat, eating fast food is strictly prohibited, drinking carbonated drinks, especially sweet ones, is not recommended.
You can't eat hot spices with giardiasis, radishes and raw onions, garlic, legumes, hot peppers and spices, radishes and horseradish are also not recommended. What fruits can't be eaten with giardiasis - bananas, melon, sweet grapes. We exclude bakery products and pastries, sweets, sweet carbonated drinks, chocolate. During the treatment of giardiasis, you need to say goodbye to sausages, milk, marinades, spicy cheese, mushrooms.