Red Clover

Red clover adverse effects:

Red clover may increase bleeding risk by potentiating warfarin (Coumadin) and patients should not take red clover with blood thinning agents (2). Due to effect of red clover isoflavones upon estrogen receptors, patients with estrogen receptor positive tumors should avoid this agent. Pregnant or breastfeeding women should not take red clover. Avoid use of red clover if allergic to this plant family and within 2 weeks of surgical procedures. The American Society of Anesthesiologists recommends that any homeopathic and herbal medicines which do not have established pharmacological data be discontinued two to three weeks prior to any surgery.