Synopsis

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

Coca leaves (Erythroxylum coca) have been traditionally used by indigenous peoples in the Andes for a variety of purposes, including alleviating symptoms associated with altitude sickness (soroche), which may include dizziness, headache, and fatigue. The traditional method involves chewing the leaves or brewing them into a tea (mate de coca). The rationale behind this use is largely based on centuries of anecdotal and cultural practices rather than rigorous scientific validation. Some believe that the mild stimulant effects of the alkaloids in coca may help counteract dizziness, especially those related to altitude by increasing alertness and possibly enhancing oxygen utilization. However, scientific studies specifically evaluating coca’s efficacy for treating dizziness—whether arising from altitude or other causes—are scarce, and the available research is limited, often lacking placebo-controlled trials or robust study designs. Most modern medical guidelines do not recognize coca leaves as an evidence-based treatment for dizziness. Thus, while the traditional use is well-documented and culturally significant, the scientific support is minimal, and the practice is not widely endorsed outside of traditional contexts.

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