Excellent news: calendula is not identified for having many antagonistic unwanted side effects. It’s attainable, although, that this herb might trigger an allergic response, particularly in individuals with identified allergic reactions to marigolds or vegetation within the Asteraceae household. It may also intervene with sure drugs, like sedatives, blood stress meds, or drugs for diabetes. If you happen to’re involved, test along with your physician about potential contraindications earlier than plunking down your money on calendula.