Interaction of some common herbs with other drugs & medicines
This list is not complete and serve more as an example of how some herbs can affect the activity of certain drugs.
Herb | Interaction |
---|---|
Bromelain | Increase the risk of bleeding when already taking blood thinners. |
Echinacea | May interact with immunosuppressive drugs. |
Ephedra | May worsen the side effects of other types of stimulants. |
Garlic | May increase the effect of blood thinners. |
Ginko | May increase the effect of blood thinners. |
Ginseng | May worsen the side effects of other types of stimulants. |
Hawthorn | May increase the actions for some heart medicine and decrease their side effects. |
High-tannin herbs
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Reduce the absorption of most medicines and drugs. |
High-berberine herbs | Counteract short-acting blood thinners. |
High-fibre herbs
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May delay the absorption of most drugs taken at the same time. |
Liquorice | May worsen the effects medicines/drugs that cause loss of potassium. |
Siberian ginseng | May increase the effects of antibiotics. |
St John's wort | May increase the effects of narcotics and some antidepressants. |
Valerian | May increase the effects sedatives. |