Blueberry : Uses, medicine, Synonyms, Effects, and Side Effects

Blueberry : Uses, medicine, Synonyms, Effects, and Side Effects

The blueberry is native to cool temperate climates, particularly in northern and central Europe, Asia and North America. The plant prefers to grow in acidic soil. The berries and leaves of the shrub are usually collected from the wild, with the main import coming from southeastern Europe.

Herbal medicinal use of blueberries

In herbal medicine, the dried ripe berries (Myrtilli fructus) are mainly used, but the leaves (Myrtilli folium) are also used to a lesser extent.


Blueberry: Typical characteristics

The blueberry is a deciduous dwarf shrub up to 80 cm high with small, alternate, serrated leaves with short stalks. The flowers stand-alone or in pairs on the leaf axils and are pale red to greenish or whitish.

Properties of blueberries

The shrub also bears small, round, blue-black berries. Dried blueberries are spherical with a wrinkled surface and are about 6 mm in diameter. Occasionally, they still hang on to the remains of stalks. Inside the berries are numerous brown-red seeds.

Blueberries give off a faintly sweet smell. The taste of blueberries is sweet and sour and slightly astringent.

Blueberry – application

Apply blueberry

Bilberries and bilberry-derived fruit extracts are used internally to treat mild, non-specific, and acute diarrhoea. The fruits are particularly suitable for children because of their excellent taste. Externally, the berries can be used for inflammation of the mouth and throat mucous membranes.


Unconfirmed areas of application

The literature also contains other areas of application that need to be more generally recognized. Blueberries, therefore, help with symptoms caused by varicose veins, such as heavy, aching legs, improve vision in the dark, support the functioning of the cardiovascular system and the regeneration of the mucous membranes in gastric and intestinal ulcers and promote wound healing.

Blueberries in folk medicine

The leaves of the blueberry are traditionally used for inflamed joints (arthritis), goutdiabetes, circulatory problems, kidney and urinary tract problems, digestive problems and various skin conditions such as dermatitis (inflammatory skin reactions). However, therapeutic use cannot be endorsed due to a lack of evidence of its effectiveness.

Blueberries treated mouth rot and throat ulcers as early as the 16th century. Today, they are used in folk medicine primarily as an astringent for treating diarrheal diseases and externally for minor skin lesions.

Blueberries are also used as food and are suitable for making jam.


Application in homeopathy

The homoeopathic use of blueberries corresponds broadly to the classic one.

ingredients of blueberries

The main active components in blueberries are the so-called catechin tannins, which occur in a proportion of up to 12%. Other essential ingredients are anthocyanins, free anthocyanidins, flavonoids, aminoglycosides and fruit acids. The berries also contain small amounts of vitamin C and β-carotene.

Blueberry: For which indication?

The following indications are possible use cases for the blueberry:

  • Diarrhea
  • diarrheal diseases
  • Inflammation of the oral mucosa
  • Inflammation of the pharyngeal mucosa

Blueberry – dosage

Dosage Of Blueberries As Medicine

 Blueberries are offered in the form of tea to treat diarrheal diseases. Children can also chew about 10 g of the berries several times a day if they have diarrhoea. Blueberry juice or extracts in capsule form are also suitable for internal use.


Blueberries for external use

For external use, solutions of blueberries are made for gargling or rinsing the mouth. For this, about 10 g of the berries are mixed with 100 ml of water, boiled for about 10 minutes, and passed through a tea strainer. The cold solution can be used to rinse or gargle several times daily.

Average daily dose

Unless otherwise prescribed, the average daily dose is 20-60 g of the drug. For local external use, 10% aqueous extracts are recommended.


Blueberry: Preparation as a tea

5-10 g of the fruit (1 teaspoon corresponds to about 4 g) are crushed and mixed with cold water to prepare a blueberry tea. After the mixture has been heated to a boil for 10 minutes, it can be strained hot through a tea strainer.

A cup of fresh, cooled tea should be drunk 1-3 times daily. Alternatively, the tea can be made by soaking in cold water for two hours.

What should be considered when using it?

  • There are no known side effects, interactions or contraindications when taking blueberries.
  • Only the dried fruits should be used for medicinal purposes. Fresh berries can promote diarrhoea due to the relatively high juice content in combination with the fruit acids.
  • Dried blueberries should be stored dry and protected from light.

Blueberry – synonyms


German plant name: blueberry

German synonyms of the plant: Wild bilberry, blueberry, blackberry, forest berry, blackberry, cranberry, cider berry, perennial berry, wild berry, tick berry, crackberry, pigeon berry

Latin plant name: Vaccinium myrtillus L.

Latin synonyms of the plant: Myrtillus niger, Myrtillus sylvatic, Vaccinium angulosum, Vaccinium montane num

German drug name: blueberries

German synonyms of the drug: Dried blueberries, blueberry fruits

Latin drug name: Dried blueberry fruit

Latin synonyms of the drug: Blueberry Fruit, Blueberry Fruit, Blueberry Berries, Blueberry Berries

English name: Bilberry, Blaeberry, Blueberry, Dwarf bilberry, Huckleberry, Hurtleberry, Whortleberry, Whortleberry

Plant family Latin: Ericaceae

Plant family German: Heidekrautgewächse


Blueberry – effect

effect of blueberries

The drug has vascular-protecting (vasoprotective), anti-inflammatory (antiphlogistic) and wound-healing effects, mainly attributed to the anthocyanins and tannins.

The tannins it contains react with proteins in the upper layers of the mucous membrane, for example, in the mouth and throat and the digestive tract. This leads to a densification of the surface and, thus, to a more difficult entry of germs. Forming a dense membrane (coagulation layer) ultimately reduces fluid leakage into the intestine and alleviates diarrhoea symptoms.

Blueberry: side effects

There are no known side effects, interactions or contraindications when taking blueberries.



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