Synopsis

Source of validity: Traditional
Rating (out of 5): 2

Borage (Borago officinalis) has a long history of traditional use in herbal medicine, particularly in European and Middle Eastern cultures. Traditionally, borage has been used to help alleviate fevers, coughs, and respiratory ailments, which are symptoms commonly associated with influenza. The leaves and flowers were often brewed into teas or infusions intended to promote sweating and reduce fever. Historical texts, such as those by herbalists like Culpeper, mention its use for "putrid and pestilential fevers."

With regard to influenza specifically, there is little direct scientific evidence to support the efficacy of borage. However, some preliminary studies have investigated borage for its anti-inflammatory properties, mainly due to its gamma-linolenic acid (GLA) content, and its potential to help with respiratory inflammation. A few small clinical and preclinical studies have explored the benefit of borage extracts in respiratory conditions such as acute respiratory distress syndrome (ARDS), but these do not directly address influenza infection or outcomes.

Overall, the use of borage for influenza is primarily supported by traditional use rather than robust scientific validation. Modern clinical evidence is lacking, and most health authorities do not recommend borage as a treatment for influenza. Caution is also advised due to the presence of pyrrolizidine alkaloids in borage, which can be hepatotoxic.

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