Pharmaceutical products for pain and pharmaceutical preparations for the relief of pain and pain related conditions, namely, sedation, dementia, diminished cognitive function, muscle spasm, constipation, mucositis, nausea, vomiting, dizziness, fatigue and motion sickness; pharmaceutical preparations for use in the treatment of cancer, namely, for the treatment of chemotherapy-induced nausea and vomiting; pharmaceutical preparations for use in the treatment of post-operative nausea and vomiting