Blackthorn side effects

CONSEQUENCES OF TAKING BLACKTHORN

Photo of blackthorn fruitsPhoto of blackthorn fruits (Prunus spinosa)

What are blackthorn side effects?

  • Dermatitis: blackthorn can cause contact dermatitis or skin irritation by direct contact with the fresh plant, fruits, flowers or leaves.
  • Allergy: Some people may have allergy to blackthorn, especially if they have allergy to any plant of the Rosaceae family.
  • Vomiting: by irritation of the gastric mucosa due to the high tannin content of the fruit, leaves and flowers, blackthorn preparations can lead to vomiting.
  • Stomach pains and digestive problems such as gastritis: the tannins are irritating to the gastric and intestinal mucosa. Large amounts of fruits can trigger problems of gastritis or stomachache.
  • Constipation: Constipation is produced by the big amount of tannins.

Leaves and blossoms of blackthorn should be prescribed by a physician due to the presence of certain amounts of prussic acid, a toxic component, in its composition.

More information on blackthorn.

This article was endorsed by Montserrat Enrich - Journalist specializing in edible wild plants and plant uses.
Editorial
Written by Editorial Botanical-online team in charge of content writing

9 February, 2025

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