https://www.nhs.uk/news/medication/review-highlights-danger-mixing-herbal-remedies-prescription-drugs/
Citando:
"Herbal remedies can affect the way drugs act on the body, either blocking their action or increasing their potency. Problems reported in the review included liver and kidney damage, bleeding, nausea, vomiting and diarrhoea, mental health problems, seizures and muscle pain.
Many combinations of drugs and herbal remedies caused interactions, but the most commonly mentioned drugs were warfarin and statins.
The review underlines the importance of telling your doctor that you're taking herbal remedies if you're prescribed a drug – just because a substance is described as a herb, that doesn't mean it's harmless or safe for everyone to use.(...)
Herbal remedies included ginkgo biloba, St John's wort, ginseng, sage, flaxseed, cranberry, goji juice, green tea, chamomile and turmeric."
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Conclusion
Many people believe herbal remedies are safe, so they think they don't need to inform their doctor that they're taking them. However, all medicines, herbal or conventional, can have side effects.
Herbal medicines are also known to affect how conventional drugs work. For example, St John's wort can be dangerous if taken with antidepressants and can stop the contraceptive pill from working.
This study shows that even commonly used herbs and spices, such as green tea and turmeric, can cause problems when combined with certain medicines. That's why, if you're taking conventional medicines, it's crucial to tell your doctor if you're taking or planning to take herbal medicines."
