Evidence supporting the use of: Black nightshade
For the health condition: Colds (prevention)

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Synopsis

Source of validity: Traditional
Rating (out of 5): 1

Black Nightshade (Solanum nigrum) has a long history of use in traditional medicine systems such as Ayurveda, Traditional Chinese Medicine, and various folk remedies. In these contexts, it has been used for a wide range of ailments, including respiratory infections and symptoms associated with colds (such as cough, fever, and inflammation). Traditional healers have valued its purported antipyretic, anti-inflammatory, and immune-supporting properties, and it is sometimes given as a decoction, syrup, or juice for cold prevention or relief.

However, there is very limited scientific research specifically evaluating Black Nightshade for the prevention or treatment of the common cold. Most modern studies focus on its general pharmacological effects, such as antioxidant, anti-inflammatory, or hepatoprotective activities, rather than direct antiviral effects against cold viruses or clinical trials in humans with colds. Its traditional use is likely based on its general reputation as a medicinal plant and its effects on fever and inflammation, rather than any targeted action against rhinoviruses or other common cold pathogens.

Therefore, while Black Nightshade's use for colds is supported by traditional practices, scientific evidence is lacking, and its safety profile is a concern due to the presence of toxic alkaloids in some parts of the plant. Caution is advised, and its use for cold prevention should not be considered evidence-based.

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