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Echinacea for colds — the evidence
Cochrane looked at the trials: echinacea preparations do not shorten colds by a meaningful margin. The studies are messy because "echinacea" is not one product — species, part of the plant and extraction all differ — but the honest summary is that no preparation has shown a consistent effect.
O que a evidência diz
Verdict: No clear evidence. Cochrane looked at the trials: echinacea preparations do not shorten colds by a meaningful margin. The studies are messy because "echinacea" is not one product — species, part of the plant and extraction all differ — but the honest summary is that no preparation has shown a consistent effect.
O que realmente fazer
Not worth the money for a cold. If you like the ritual of a warm herbal drink, the drink is fine — just do not expect it to move the illness.
Source: Cochrane — echinacea for preventing and treating the common cold (CD000530) · checked 2026-09-07
Referência de autocuidado, não conselho médico. Crianças, adultos mais velhos, gravidez e quem tem uma condição de longa duração devem ter um limiar mais baixo para ligar a um clínico. Sintomas graves ou que pioram, dificuldade para respirar ou confusão: procure ajuda médica.