MORE: American Women Run On Depression…And Prozac    Licorice Skip if you take: Diuretics for high blood pressure  Indigestion sufferers turn to stomach-soothing licorice root capsules, but when combined with diuretics or laxatives, this remedy can cause a dangerous dip in potassium levels. Smart swap: Ginger tea to ease stomachaches. Avoid aggravating foods like chocolate and citrus, or any drinks or foods that contain caffeine.   Feverfew  Skip if you take: Blood thinners This migraine remedy can slow clotting. It may also cause reactions if you have allergies to daisy family plants, like ragweed and chrysanthemums. Smart swap: Get enough magnesium. Research shows that people who are deficient are more migraine prone. Use a diary to track triggers like caffeine, alcohol, and certain foods. MORE: 9 Highly Effective Treatments For Migraine   Turmeric  Skip if you take: Blood thinners  Some research has shown that the spice turmeric can help reduce inflammation and consequent pain from arthritis, but it may interact with Coumadin (warfarin) and other meds, which increases the possibility of bleeding.  Smart swap: Antioxidant-rich juices like grape, pomegranate, or tart cherry, all of which may be able to ease the symptoms of arthritis. Source: Joe Graedon, pharmacologist MORE: The 100 Best Supplements For Women