Oregano, Myrrh, Peppermint (which should also be avoided while nursing), Rockrose, Rosemary, Sage, and Thyme. Please note, the above oils are listed as contraindicated during pregnancy by most aromatherapy authors.. If you have high blood pressure avoid: Pine, Rosemary, Sage, and Thyme.
People apply ylang ylang oil to the skin to promote relaxation, kill bacteria, lower high blood pressure, and increase sexual desire. It is also part of a combination .
You can also download this as a PDF here: Essential Oil Contraindications (pdf). Eucalyptus (Eucalyptus globulus), Avoid if epileptic or high blood pressure.