Which herbal supplement can increase the risk of bleeding in a patient on antiplatelet therapy?

Garlic is known to have antiplatelet properties, which can enhance the effects of antiplatelet therapy. This herbal supplement contains compounds, such as allicin, that can inhibit platelet aggregation and affect the clotting process. Therefore, when used in conjunction with medications that also reduce platelet function, such as aspirin or other antiplatelet agents, garlic can increase the risk of bleeding.

While other herbal supplements like ginseng may have some effects on coagulation, they are not as well-documented for significantly increasing bleeding risk when taken with antiplatelet drugs. Black cohosh and echinacea also do not exhibit notable antiplatelet effects; thus, they are less likely to contribute to an increased risk of bleeding in patients already on antiplatelet therapy. Understanding the interactions between herbal supplements and conventional medications is crucial for patient safety, particularly in those on anticoagulation or antiplatelet therapy.