Blackthorn (Prunus spinosa) has a long history of use in traditional European herbal medicine. Its fruits, flowers, and bark have been included in various folk remedies, particularly in rural areas. For injuries, especially minor wounds, bruises, and sprains, blackthorn was used in poultices or topical applications, sometimes as part of complex herbal preparations. The rationale was often based on the astringent properties attributed to tannins present in the bark and fruits, which were believed to help "draw out" inflammation and promote healing.

However, robust scientific validation for the use of blackthorn in treating injuries is lacking. There are limited laboratory or clinical studies evaluating its efficacy for tissue repair, wound healing, or anti-inflammatory action specifically in the context of injuries. The traditional use is largely based on empirical observation and anecdotal reports rather than controlled evidence. Consequently, modern herbal references may mention blackthorn in the context of historical uses, but they do not recommend it as a primary remedy for injuries due to the absence of supporting scientific data.

In summary, while blackthorn has traditional applications for minor injuries, its use is not substantiated by significant scientific research, and it should not replace evidence-based treatments for wound care or injury management.