Does aromatherapy relieve pain?

Integrative therapies used in pain or related conditions causing pain and that have historical or theoretical uses but lack sufficient clinical evidence include: 5-HTP, acai (Euterpe oleracea), adrenal extract, alfalfa (Medicago sativum), andrographis (Andrographis paniculata), homeopathic arnica (Arnica montana), aromatherapy, asparagus (Asparagus officinalis), astaxanthin, bitter melon (Momordica charantia), black pepper (Piper nigrum), boneset (Eupatorium perfoliatum), boswellia (Boswellia serrata), cardamom (Elletaria cardamomum), evening primrose oil (Oenothera biennis), garlic (Allium sativum), ginseng (Panax ginseng), gotu kola (Centella asiatica), holy basil (Ocimum sanctum), hydrotherapy, kava kava (Piper methysticum), lemongrass (Cymbopogon sp.), moxibustion, mullein (Verbascum thapsus), noni (Morinda citrifolia), passion flower (Passiflora incarnata),peppermint oil (Mentha piperita), prayer,raspberry (Rubus idaeus),resveratrol, rosemary (Rosmarindus officinalis),rutin,St. John's wort (Hypericum perforatum), tea tree oil (Melaleuca alternifolia), usnea (Usnea sp.), white willow (Salix alba), yoga, and yucca (Yucca schidigera).